:root,
html[data-theme="dark"] {
  --bg: #151827;
  --bg-2: #1c2033;
  --bg-3: #232842;
  --panel: rgba(33, 37, 62, 0.82);
  --panel-strong: rgba(36, 42, 70, 0.94);
  --panel-soft: rgba(47, 54, 86, 0.72);
  --line: rgba(210, 218, 255, 0.14);
  --line-strong: rgba(210, 218, 255, 0.24);
  --text: #f7f4ff;
  --muted: #c5c4de;
  --muted-2: #eceafd;
  --primary: #86a8ff;
  --primary-2: #b39dff;
  --accent: #7fe0d4;
  --accent-2: #ffd08a;
  --success: #9ad9a6;
  --danger: #ff9eab;
  --warning: #ffd98a;
  --rose: #f3a6be;
  --yellow: #f4dc8d;
  --green: #a8dfb6;
  --blue: #9dc2ff;
  --violet: #c2b0ff;
  --magenta: #f0a9e6;
  --orange: #ffc39b;
  --shadow: 0 26px 70px rgba(12, 11, 27, 0.34);
  --shadow-soft: 0 14px 32px rgba(12, 11, 27, 0.18);
  --radius: 26px;
  --radius-sm: 18px;
  --sidebar-width: 288px;
}

html[data-theme="light"] {
  --bg: #fffaf8;
  --bg-2: #f6f7ff;
  --bg-3: #eef2ff;
  --panel: rgba(255, 255, 255, 0.88);
  --panel-strong: rgba(255, 255, 255, 0.98);
  --panel-soft: rgba(250, 247, 255, 0.94);
  --line: rgba(138, 143, 187, 0.18);
  --line-strong: rgba(138, 143, 187, 0.28);
  --text: #27314a;
  --muted: #6f7896;
  --muted-2: #49516f;
  --primary: #7c96ff;
  --primary-2: #aa8cff;
  --accent: #72d7c5;
  --accent-2: #f4c781;
  --success: #77c792;
  --danger: #e98a9a;
  --warning: #f0c56c;
  --rose: #f1adc5;
  --yellow: #f2de93;
  --green: #96d5a6;
  --blue: #9ab8ff;
  --violet: #c1acff;
  --magenta: #eba9db;
  --orange: #f4bf93;
  --shadow: 0 24px 52px rgba(137, 142, 181, 0.14);
  --shadow-soft: 0 14px 28px rgba(137, 142, 181, 0.09);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; min-height: 100%; }
html { scroll-behavior: smooth; }
body {
  background:
    radial-gradient(circle at 8% 14%, color-mix(in srgb, var(--blue) 18%, transparent), transparent 28%),
    radial-gradient(circle at 88% 12%, color-mix(in srgb, var(--green) 16%, transparent), transparent 24%),
    radial-gradient(circle at 18% 86%, color-mix(in srgb, var(--orange) 13%, transparent), transparent 26%),
    radial-gradient(circle at 82% 78%, color-mix(in srgb, var(--magenta) 12%, transparent), transparent 24%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 54%, var(--bg-3) 100%);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}

a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
img { max-width: 100%; }
iframe { border: 0; max-width: 100%; }
::selection { background: color-mix(in srgb, var(--primary) 34%, white 8%); }

.app-shell { display: flex; min-height: 100vh; }
.app-sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  width: var(--sidebar-width);
  height: 100vh;
  height: 100dvh;
  padding: 22px;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  gap: 20px;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(39, 42, 70, 0.94), rgba(28, 32, 56, 0.98));
  border-right: 1px solid var(--line);
  box-shadow: var(--shadow);
  z-index: 60;
  backdrop-filter: blur(18px);
}

html[data-theme="light"] .app-sidebar {
  background: linear-gradient(180deg, rgba(255,255,255,0.94), rgba(250,245,255,0.98));
}

.app-sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(2, 8, 23, 0.56);
  z-index: 55;
}

.app-main {
  margin-left: var(--sidebar-width);
  width: calc(100% - var(--sidebar-width));
  min-width: 0;
}

.app-content {
  padding: 28px 28px 48px;
}

.sidebar-brand,
.topbar-user-pill,
.user-mini-card {
  display: flex;
  align-items: center;
  gap: 14px;
}

.sidebar-brand {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255,255,255,0.03);
  min-height: 0;
}

.brand-mark {
  width: 46px;
  height: 46px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  box-shadow: 0 12px 24px rgba(79, 140, 255, 0.35);
}

.sidebar-brand strong,
.user-mini-card strong,
.topbar-user-pill strong {
  display: block;
  font-size: 15px;
}

.sidebar-brand span,
.user-mini-card span,
.topbar-user-pill span {
  color: var(--muted);
  font-size: 12px;
}

.sidebar-nav {
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  display: grid;
  align-content: start;
  gap: 10px;
  padding-right: 6px;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  scrollbar-gutter: stable;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-radius: 16px;
  color: var(--muted-2);
  border: 1px solid transparent;
  transition: .2s ease;
}

.sidebar-link:hover,
.sidebar-link.is-active {
  transform: translateX(2px);
  color: var(--text);
  border-color: var(--line-strong);
  background: linear-gradient(
    135deg,
    color-mix(in srgb, var(--violet) 18%, transparent),
    color-mix(in srgb, var(--accent) 14%, transparent)
  );
}

.sidebar-link-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--primary) 18%, transparent);
}

.sidebar-footer {
  display: grid;
  gap: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  min-height: 0;
}

.sidebar-nav::-webkit-scrollbar {
  width: 10px;
}

.sidebar-nav::-webkit-scrollbar-track {
  background: transparent;
}

.sidebar-nav::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  border: 2px solid transparent;
  background-clip: padding-box;
}

html[data-theme="light"] .sidebar-nav::-webkit-scrollbar-thumb {
  background: rgba(15, 23, 42, 0.18);
  border: 2px solid transparent;
  background-clip: padding-box;
}

.user-mini-card {
  padding: 16px;
  border-radius: 20px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--line);
  flex-direction: column;
  align-items: flex-start;
  min-width: 0;
}

.app-topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  padding: 10px 16px 8px;
  background: linear-gradient(180deg, rgba(27,31,53,0.96) 0%, rgba(27,31,53,0.88) 62%, rgba(27,31,53,0.18) 100%);
  backdrop-filter: blur(14px);
}

html[data-theme="light"] .app-topbar {
  background: linear-gradient(180deg, rgba(255,250,248,0.97) 0%, rgba(246,247,255,0.90) 64%, rgba(246,247,255,0.22) 100%);
}

.topbar-main-row,
.topbar-left,
.topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.topbar-main-row {
  justify-content: space-between;
  margin-bottom: 8px;
}

.topbar-title-wrap h1 {
  margin: 0;
  font-size: clamp(20px, 1.7vw, 28px);
  line-height: 1.06;
}

.topbar-title-wrap .eyebrow {
  margin: 0 0 2px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: 10px;
  font-weight: 800;
  line-height: 1;
}
.icon-btn {
  width: 48px; height: 48px; display: none; place-items: center; gap: 4px; border-radius: 16px;
  border: 1px solid var(--line); background: var(--panel); color: var(--text); cursor: pointer;
  box-shadow: var(--shadow-soft);
}
.icon-btn span { display: block; width: 18px; height: 2px; background: currentColor; border-radius: 999px; }
.topbar-user-pill {
  padding: 8px 12px;
  min-height: 44px;
  border-radius: 15px;
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  min-height: 44px;
  border-radius: 15px;
  cursor: pointer;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
  box-shadow: var(--shadow-soft);
}

.theme-toggle-track {
  width: 46px;
  height: 24px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  padding: 4px;
  background: linear-gradient(135deg, rgba(79, 140, 255, 0.35), rgba(39, 211, 195, 0.35));
}

.theme-toggle-thumb {
  width: 16px;
  height: 16px;
  border-radius: 999px;
  background: #fff;
  box-shadow: 0 4px 12px rgba(0,0,0,.18);
  transform: translateX(0);
  transition: transform .2s ease;
}

html[data-theme="light"] .theme-toggle-thumb {
  transform: translateX(22px);
}
.theme-toggle-label { font-weight: 700; }

.topbar-carousel-wrap {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 8px;
  align-items: center;
}

.topbar-carousel {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  scrollbar-width: none;
  padding: 2px 2px 4px;
}

.topbar-carousel::-webkit-scrollbar {
  display: none;
}

.topbar-chip {
  flex: 0 0 auto;
  min-width: max-content;
  padding: 10px 15px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel-soft) 86%, white 4%);
  color: var(--muted-2);
  font-weight: 700;
  box-shadow: var(--shadow-soft);
  transition: .2s ease;
  line-height: 1.1;
}

.carousel-nav {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  border: 1px solid var(--line);
  cursor: pointer;
  background: var(--panel);
  color: var(--text);
}
.carousel-nav:disabled { opacity: .42; cursor: default; }

.auth-shell, .page-shell { width: min(1400px, calc(100% - 16px)); margin: 0 auto; }
.page-shell { display: grid; gap: 22px; }
.auth-shell {
  min-height: 100vh; display: grid; place-items: center; padding: 32px 0;
  background:
    radial-gradient(circle at 10% 20%, rgba(79, 140, 255, 0.18), transparent 26%),
    radial-gradient(circle at 90% 15%, rgba(39, 211, 195, 0.18), transparent 24%);
}
.auth-card, .card, .empty-state, .block-card, .topic-card, .plan-item, .test-question-card, .test-review-card,
.modal-panel, .admin-form-card, .content-card, .premium-card {
  background: var(--panel-strong); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}
.auth-card {
  width: min(560px, 100%); padding: 40px; position: relative; overflow: hidden;
}
.auth-card::before {
  content: ""; position: absolute; inset: -20% auto auto -10%; width: 220px; height: 220px; border-radius: 999px;
  background: radial-gradient(circle, color-mix(in srgb, var(--violet) 34%, transparent), transparent 72%);
}
.auth-brand h1 { margin: 0 0 8px; font-size: 34px; }
.auth-brand p { margin: 0 0 24px; color: var(--muted); }
.auth-form { display: grid; gap: 16px; position: relative; z-index: 1; }
.field { display: grid; gap: 8px; }
.field label { color: var(--muted-2); font-size: 13px; font-weight: 700; letter-spacing: .02em; }
.field input,
.field select,
.field textarea,
.search-input,
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="date"],
select,
textarea {
  width: 100%; border: 1px solid var(--line); background: color-mix(in srgb, var(--panel-soft) 82%, white 4%); color: var(--text);
  border-radius: 18px; padding: 15px 18px; outline: none; transition: .2s ease;
}
textarea { min-height: 132px; resize: vertical; line-height: 1.65; }
.field input:focus, .field select:focus, .field textarea:focus,
input:focus, select:focus, textarea:focus {
  border-color: color-mix(in srgb, var(--primary) 58%, white 8%); box-shadow: 0 0 0 4px color-mix(in srgb, var(--primary) 18%, transparent);
}

.btn {
  appearance: none; border: 1px solid transparent; border-radius: 18px; padding: 14px 20px; font-weight: 800; cursor: pointer;
  transition: transform .16s ease, box-shadow .16s ease, background .16s ease; display: inline-flex; align-items: center; justify-content: center; gap: 10px;
}
.btn:hover { transform: translateY(-1px); }
.btn-block { width: 100%; }
.btn-primary { background: linear-gradient(135deg, var(--blue), var(--violet) 42%, var(--magenta) 70%, var(--orange)); color: #2d2944; box-shadow: 0 14px 26px color-mix(in srgb, var(--violet) 30%, transparent); }
.btn-secondary { background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 18%, transparent), color-mix(in srgb, var(--yellow) 16%, transparent)); color: var(--text); border-color: var(--line-strong); }
.btn-ghost { background: color-mix(in srgb, var(--panel-soft) 76%, white 4%); color: var(--text); border-color: var(--line); }
.btn-sm { padding: 10px 14px; border-radius: 14px; font-size: 13px; }

.alert {
  border-radius: 18px; padding: 14px 16px; margin: 0; border: 1px solid transparent; box-shadow: var(--shadow-soft);
}
.alert-success { background: rgba(22,196,127,.12); border-color: rgba(22,196,127,.28); color: var(--text); }
.alert-danger { background: rgba(255,94,122,.10); border-color: rgba(255,94,122,.26); color: var(--text); }

.page-header, .page-header-row, .dashboard-header {
  display: flex; align-items: flex-start; justify-content: space-between; gap: 22px; flex-wrap: wrap;
}
.page-header h1, .page-header-row h1, .dashboard-header h1 { margin: 0 0 8px; font-size: clamp(28px, 2vw, 40px); }
.page-header p, .page-header-row p, .dashboard-header p { margin: 0; color: var(--muted); max-width: 900px; }
.page-actions, .card-actions, .test-cta-grid, .plan-item-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.page-actions > * { min-width: 0; }
.card-actions { margin-top: 18px; }

.dashboard-grid, .dashboard-grid-3, .tests-layout, .planner-layout, .blocks-grid {
  display: grid; gap: 18px;
}
.dashboard-grid { grid-template-columns: repeat(2, minmax(280px, 1fr)); }
.dashboard-grid-2 { grid-template-columns: repeat(2, minmax(300px, 1fr)); }
.dashboard-grid-3, .blocks-grid { grid-template-columns: repeat(3, minmax(240px, 1fr)); }
.dashboard-grid-4 { grid-template-columns: repeat(4, minmax(220px, 1fr)); }
.tests-layout, .planner-layout { grid-template-columns: minmax(0, 1.3fr) minmax(320px, .7fr); }
.card, .empty-state, .block-card, .topic-card, .premium-card, .planner-plan-card { padding: 28px; }
.stat-card {
  position: relative; overflow: hidden;
  background: linear-gradient(180deg, color-mix(in srgb, var(--panel-strong) 90%, white 3%), color-mix(in srgb, var(--panel-strong) 96%, black 2%));
}
.stat-card::after {
  content: ""; position: absolute; inset: auto -20px -30px auto; width: 140px; height: 140px; border-radius: 999px;
  background: radial-gradient(circle, color-mix(in srgb, var(--violet) 26%, transparent), transparent 68%);
}
.stat-card h2 { margin: 0 0 10px; font-size: 15px; color: var(--muted-2); }
.stat-value { margin: 0; font-size: clamp(32px, 4vw, 48px); font-weight: 900; letter-spacing: -.04em; }
.stat-meta { margin: 8px 0 0; color: var(--muted); }

.block-card, .topic-card, .plan-item, .compact-plan-item {
  display: grid; gap: 18px;
}
.block-card:hover, .topic-card:hover, .plan-item:hover, .test-question-card:hover { transform: translateY(-2px); }
.block-card-top, .topic-head, .section-head, .test-question-head, .recent-session-item { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.block-dot { width: 12px; height: 12px; border-radius: 999px; background: linear-gradient(135deg, var(--primary), var(--accent)); }
.block-icon {
  width: 52px; height: 52px; display: grid; place-items: center; border-radius: 18px; font-size: 22px;
  background: linear-gradient(135deg, rgba(79,140,255,.18), rgba(39,211,195,.14));
}
.badge {
  display: inline-flex; align-items: center; justify-content: center; min-height: 30px; padding: 6px 12px; border-radius: 999px;
  font-size: 11px; text-transform: uppercase; letter-spacing: .08em; font-weight: 800; border: 1px solid transparent;
}
.badge-low { background: rgba(22,196,127,.14); border-color: rgba(22,196,127,.24); color: #9cf0cb; }
.badge-medium { background: rgba(245,158,11,.14); border-color: rgba(245,158,11,.24); color: #ffd483; }
.badge-high { background: rgba(255,94,122,.14); border-color: rgba(255,94,122,.24); color: #ffb0c2; }
html[data-theme="light"] .badge-low { color: #0b7c51; }
html[data-theme="light"] .badge-medium { color: #9c6400; }
html[data-theme="light"] .badge-high { color: #b12649; }
.topic-subtitle, .test-question-meta, .meta-row, .section-head span, .question-counter-chip, .recent-session-date { color: var(--muted); }
.topic-meta-grid, .meta-row {
  display: flex; gap: 12px; flex-wrap: wrap;
}
.topic-meta-grid span, .meta-row span, .question-counter-chip {
  display: inline-flex; align-items: center; min-height: 34px; padding: 8px 12px; border-radius: 999px;
  border: 1px solid var(--line); background: color-mix(in srgb, var(--panel-soft) 82%, white 3%); font-size: 13px;
}
.recent-sessions, .plan-list, .test-review-list { display: grid; gap: 12px; }
.recent-session-item, .plan-item {
  padding: 18px 20px; border-radius: 20px; border: 1px solid var(--line); background: color-mix(in srgb, var(--panel-soft) 82%, white 3%);
}
.recent-session-item p, .plan-item p, .card p, .block-card p, .topic-card p { margin: 4px 0 0; color: var(--muted); }
.compact-plan-item { grid-template-columns: minmax(0,1fr) auto; align-items: center; }

.test-form { display: grid; gap: 24px; }
.test-submit-top, .test-submit-bottom {
  display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap;
}
.test-question-list { display: grid; gap: 18px; }
.test-question-card {
  padding: 28px; position: relative; overflow: hidden;
  background: linear-gradient(180deg, color-mix(in srgb, var(--panel-soft) 84%, white 4%), color-mix(in srgb, var(--panel-strong) 94%, black 2%));
}
.test-question-card::before {
  content: ""; position: absolute; inset: 0 auto auto 0; width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--blue), var(--violet), var(--magenta), transparent);
}
.test-question-card h2 { margin: 0; font-size: clamp(22px, 1.7vw, 32px); line-height: 1.2; }
.question-index { font-weight: 900; color: var(--muted-2); }
.test-options-grid { display: grid; gap: 12px; margin-top: 18px; }
.test-option-item {
  position: relative; display: grid; grid-template-columns: auto auto 1fr; align-items: start; gap: 14px;
  padding: 18px 20px; border-radius: 20px; border: 1px solid var(--line); background: color-mix(in srgb, var(--panel-soft) 82%, white 3%); cursor: pointer;
  transition: .2s ease;
}
.test-option-item:hover { border-color: var(--line-strong); background: color-mix(in srgb, var(--violet) 12%, var(--panel-soft)); }
.test-option-item input {
  appearance: none; width: 22px; height: 22px; border-radius: 999px; margin-top: 2px;
  border: 2px solid color-mix(in srgb, var(--muted) 42%, white 18%); background: transparent; position: relative;
}
html[data-theme="light"] .test-option-item input { border-color: rgba(18,32,51,.35); }
.test-option-item input:checked {
  border-color: var(--violet); background: radial-gradient(circle, var(--violet) 0 40%, transparent 44%);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--violet) 18%, transparent);
}
.test-option-key {
  min-width: 34px; height: 34px; display: inline-grid; place-items: center; border-radius: 12px; font-weight: 900;
  background: linear-gradient(135deg, color-mix(in srgb, var(--yellow) 48%, white 8%), color-mix(in srgb, var(--orange) 60%, white 8%)); color: #5b4350;
}
.test-option-text { font-size: 15px; line-height: 1.5; }
.result-banner { padding: 28px; }
.result-banner-good { background: linear-gradient(135deg, rgba(22,196,127,.18), rgba(39,211,195,.12)), var(--panel-strong); }
.result-banner-bad { background: linear-gradient(135deg, rgba(255,94,122,.16), rgba(245,158,11,.10)), var(--panel-strong); }
.test-review-card.correct { border-left: 4px solid var(--success); }
.test-review-card.incorrect { border-left: 4px solid var(--danger); }
.test-explanation-box {
  margin-top: 14px; padding: 16px 18px; border-radius: 18px; background: color-mix(in srgb, var(--panel-soft) 84%, white 4%); border: 1px solid var(--line);
}

.table-wrap, table { width: 100%; }
table {
  border-collapse: separate; border-spacing: 0; overflow: hidden; border-radius: 20px; border: 1px solid var(--line);
  background: var(--panel-strong); box-shadow: var(--shadow-soft);
}
thead th {
  background: linear-gradient(180deg, color-mix(in srgb, var(--blue) 24%, white 8%), color-mix(in srgb, var(--violet) 14%, transparent)); color: var(--text); text-align: left;
}
th, td { padding: 16px 18px; border-bottom: 1px solid var(--line); }
tr:last-child td { border-bottom: 0; }

.modal { position: fixed; inset: 0; display: grid; place-items: center; padding: 24px; z-index: 120; }
.modal.hidden { display: none; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(2, 8, 23, 0.72); }
.modal-panel {
  position: relative; width: min(1500px, 100%); max-height: calc(100vh - 48px); overflow: auto; padding: 26px;
}
.pdf-modal-layout, .document-reader-layout { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 18px; }
.pdf-frame-card, .note-card, .audio-toolbar-card { min-width: 0; }

.study-page .page-shell,
.dashboard-page .page-shell,
.tests-page .page-shell { width: min(1500px, 100%); }

.hidden { display: none !important; }
.text-muted { color: var(--muted); }
.section-head h2, .card h2, .block-card h2, .topic-card h2, .plan-item h3, .premium-card h2 { margin: 0; }


option {
  background: var(--panel-strong);
  color: var(--text);
}
html[data-theme="light"] option {
  background: #ffffff;
  color: #27314a;
}

.field,
.card,
.block-card,
.topic-card,
.plan-item,
.empty-state,
.premium-card,
.content-card,
.admin-form-card,
.test-question-card,
.test-review-card,
.modal-panel,
.auth-card,
.table-wrap {
  min-width: 0;
}

.card p,
.block-card p,
.topic-card p,
.plan-item p,
.premium-card p,
.content-card p,
.test-question-card p,
.test-review-card p,
.modal-panel p {
  line-height: 1.65;
}

.sidebar-link:nth-child(6n+1) .sidebar-link-dot { background: linear-gradient(135deg, var(--blue), var(--violet)); }
.sidebar-link:nth-child(6n+2) .sidebar-link-dot { background: linear-gradient(135deg, var(--green), var(--accent)); }
.sidebar-link:nth-child(6n+3) .sidebar-link-dot { background: linear-gradient(135deg, var(--yellow), var(--orange)); }
.sidebar-link:nth-child(6n+4) .sidebar-link-dot { background: linear-gradient(135deg, var(--rose), var(--magenta)); }
.sidebar-link:nth-child(6n+5) .sidebar-link-dot { background: linear-gradient(135deg, var(--accent), var(--blue)); }
.sidebar-link:nth-child(6n) .sidebar-link-dot { background: linear-gradient(135deg, var(--orange), var(--violet)); }

.block-card,
.topic-card,
.plan-item,
.test-question-card,
.premium-card,
.content-card,
.admin-form-card {
  border-color: color-mix(in srgb, var(--line) 80%, white 6%);
}

.block-card:nth-child(6n+1),
.topic-card:nth-child(6n+1),
.plan-item:nth-child(6n+1),
.premium-card:nth-child(6n+1) {
  box-shadow: inset 0 1px 0 color-mix(in srgb, var(--blue) 22%, transparent), var(--shadow);
}
.block-card:nth-child(6n+2),
.topic-card:nth-child(6n+2),
.plan-item:nth-child(6n+2),
.premium-card:nth-child(6n+2) {
  box-shadow: inset 0 1px 0 color-mix(in srgb, var(--green) 22%, transparent), var(--shadow);
}
.block-card:nth-child(6n+3),
.topic-card:nth-child(6n+3),
.plan-item:nth-child(6n+3),
.premium-card:nth-child(6n+3) {
  box-shadow: inset 0 1px 0 color-mix(in srgb, var(--yellow) 22%, transparent), var(--shadow);
}
.block-card:nth-child(6n+4),
.topic-card:nth-child(6n+4),
.plan-item:nth-child(6n+4),
.premium-card:nth-child(6n+4) {
  box-shadow: inset 0 1px 0 color-mix(in srgb, var(--rose) 22%, transparent), var(--shadow);
}
.block-card:nth-child(6n+5),
.topic-card:nth-child(6n+5),
.plan-item:nth-child(6n+5),
.premium-card:nth-child(6n+5) {
  box-shadow: inset 0 1px 0 color-mix(in srgb, var(--accent) 22%, transparent), var(--shadow);
}
.block-card:nth-child(6n),
.topic-card:nth-child(6n),
.plan-item:nth-child(6n),
.premium-card:nth-child(6n) {
  box-shadow: inset 0 1px 0 color-mix(in srgb, var(--violet) 22%, transparent), var(--shadow);
}

.badge-low { background: color-mix(in srgb, var(--green) 20%, transparent); border-color: color-mix(in srgb, var(--green) 36%, transparent); color: color-mix(in srgb, var(--green) 75%, white 15%); }
.badge-medium { background: color-mix(in srgb, var(--yellow) 20%, transparent); border-color: color-mix(in srgb, var(--yellow) 34%, transparent); color: color-mix(in srgb, var(--yellow) 78%, white 8%); }
.badge-high { background: color-mix(in srgb, var(--rose) 18%, transparent); border-color: color-mix(in srgb, var(--rose) 34%, transparent); color: color-mix(in srgb, var(--rose) 78%, white 10%); }
html[data-theme="light"] .badge-low { color: #47745a; }
html[data-theme="light"] .badge-medium { color: #7a6437; }
html[data-theme="light"] .badge-high { color: #8f5665; }

select,
input[type="date"] {
  color-scheme: light dark;
}

html[data-theme="dark"] .btn-primary,
html[data-theme="dark"] .topbar-chip:hover,
html[data-theme="dark"] .topbar-chip.is-active {
  color: #342b40;
}

@media (max-width: 760px) {
  .test-option-item,
  .recent-session-item,
  .plan-item,
  .topic-meta-grid span,
  .meta-row span,
  .question-counter-chip,
  th,
  td {
    padding-left: 16px;
    padding-right: 16px;
  }
}

@media (max-width: 1180px) {
  .dashboard-grid-3, .blocks-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .tests-layout, .planner-layout, .pdf-modal-layout, .document-reader-layout { grid-template-columns: 1fr; }
}

@media (max-width: 980px) {
  .icon-btn {
    display: inline-grid;
  }

  .app-sidebar {
    transform: translateX(-104%);
    transition: transform .22s ease;
  }

  body.sidebar-open .app-sidebar {
    transform: translateX(0);
  }

  body.sidebar-open .app-sidebar-backdrop {
    display: block;
  }

  .app-main {
    margin-left: 0;
    width: 100%;
  }

  .topbar-user-pill {
    display: none;
  }
}

@media (max-width: 760px) {
  .app-topbar, .app-content { padding-left: 14px; padding-right: 14px; }
  .auth-card, .card, .empty-state, .block-card, .topic-card, .premium-card, .planner-plan-card, .test-question-card { padding: 20px; }
  .dashboard-grid, .dashboard-grid-2, .dashboard-grid-3, .dashboard-grid-4, .blocks-grid { grid-template-columns: 1fr; }
  .test-submit-top, .test-submit-bottom, .page-actions, .card-actions, .plan-item-actions, .compact-plan-item { align-items: stretch; }
  .test-question-card h2 { font-size: 18px; }
  .test-option-item { grid-template-columns: auto auto 1fr; padding: 14px; }
  .topbar-title-wrap h1 { font-size: 22px; }
  .carousel-nav { display: none; }
}


/* ====== Refinado visual y corrección de layouts ====== */
html[data-theme="light"] {
  --bg: #f5f1ee;
  --bg-2: #f1f3fb;
  --bg-3: #ebeef8;
  --panel: rgba(252, 248, 247, 0.84);
  --panel-strong: rgba(248, 244, 242, 0.96);
  --panel-soft: rgba(241, 238, 247, 0.94);
  --text: #293149;
  --muted: #69738f;
  --muted-2: #434c67;
  --shadow: 0 20px 44px rgba(120, 122, 160, 0.10);
  --shadow-soft: 0 10px 22px rgba(120, 122, 160, 0.08);
}

body { background-attachment: fixed; }
html[data-theme="light"] body {
  background:
    radial-gradient(circle at 8% 14%, rgba(154,184,255,.16), transparent 30%),
    radial-gradient(circle at 88% 12%, rgba(150,213,166,.12), transparent 26%),
    radial-gradient(circle at 18% 86%, rgba(244,191,147,.12), transparent 28%),
    radial-gradient(circle at 82% 78%, rgba(235,169,219,.10), transparent 26%),
    linear-gradient(180deg, #f5f1ee 0%, #eef1f9 48%, #e9edf7 100%);
}

.page-shell { gap: 24px; }
.page-header, .page-header-row, .dashboard-header {
  padding: 4px 6px 0;
}
.page-header h1, .page-header-row h1, .dashboard-header h1 {
  line-height: 1.08;
}

.card,
.empty-state,
.block-card,
.topic-card,
.plan-item,
.premium-card,
.content-card,
.admin-form-card,
.test-question-card,
.test-review-card,
.modal-panel,
.modal-card,
.planner-plan-card,
.document-viewer,
.document-notes,
.topic-daily-focus-card,
.topic-hero-card {
  overflow: hidden;
}

.card + .card,
.premium-card + .premium-card,
.content-card + .content-card,
.plan-item + .plan-item {
  margin-top: 2px;
}

.card p,
.block-card p,
.topic-card p,
.plan-item p,
.premium-card p,
.content-card p,
.test-question-card p,
.test-review-card p,
.modal-panel p,
.selected-day-block p {
  margin: 8px 0 0;
}

.btn,
button.btn,
a.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 52px;
  padding: 14px 20px;
  border-radius: 19px;
  font-weight: 800;
  letter-spacing: -.01em;
  line-height: 1.2;
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow-soft);
}
.btn-sm { min-height: 42px; padding: 10px 16px; border-radius: 15px; }
.btn-block { width: 100%; }
.btn-primary {
  background: linear-gradient(135deg, var(--blue), var(--violet) 36%, var(--magenta) 68%, var(--orange));
  color: #372d47;
}
.btn-secondary {
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 26%, var(--panel-strong)), color-mix(in srgb, var(--yellow) 24%, var(--panel-soft)));
  color: var(--text);
}
.btn-ghost {
  background: color-mix(in srgb, var(--panel-soft) 88%, white 2%);
  color: var(--text);
}
html[data-theme="light"] .btn-primary,
html[data-theme="dark"] .btn-primary { color: #342b40; }

.card-actions,
.page-actions,
.plan-item-actions,
.document-actions-premium,
.study-plan-actions,
.notes-actions {
  gap: 12px;
}

.dashboard-page .card-actions,
.resources-page .card-actions,
.page-shell .card-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
}
.dashboard-page .card-actions .btn,
.page-shell .card-actions .btn,
.document-actions-premium .btn,
.study-plan-actions .btn,
.notes-actions .btn {
  margin: 0;
}

/* Botones de progreso y acciones */

.dashboard-grid .card .card-actions {
  display: flex;
  flex-wrap: wrap;
}

.dashboard-grid .card .card-actions .btn,
.admin-actions-grid .btn {
  flex: 0 1 auto;
}

.dashboard-grid .card:nth-child(5) .card-actions .btn,
.dashboard-grid .card:nth-child(5) .card-actions + .card-actions .btn,
.card-actions.is-grid .btn {
  min-width: 0;
}

.dashboard-grid .card:nth-child(5) .card-actions,
.dashboard-grid .card:nth-child(5) .card-actions + .card-actions {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

/* Administración */
.page-shell .card > .card-actions,
.page-shell .card p.card-actions {
  margin-top: 14px;
}
.page-shell .card p.card-actions {
  display: block;
}
.page-shell .card p.card-actions .btn {
  width: 100%;
  justify-content: flex-start;
}

/* Calendario */
.planner-header-card { padding: 22px 24px; }
.planner-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}
.planner-nav h2 {
  margin: 0;
  font-size: clamp(28px, 2vw, 38px);
  letter-spacing: -.03em;
}
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 12px;
}
.calendar-weekday {
  padding: 12px 8px;
  text-align: center;
  font-weight: 900;
  color: var(--muted-2);
  border-radius: 16px;
  background: color-mix(in srgb, var(--panel-soft) 86%, white 4%);
  border: 1px solid var(--line);
}
.calendar-cell {
  min-height: 168px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 14px;
  border-radius: 22px;
  border: 1px solid color-mix(in srgb, var(--line) 85%, white 4%);
  background: linear-gradient(180deg, color-mix(in srgb, var(--panel-soft) 88%, white 3%), color-mix(in srgb, var(--panel-strong) 95%, black 2%));
  box-shadow: var(--shadow-soft);
}
.calendar-cell:hover { transform: translateY(-2px); border-color: var(--line-strong); }
.calendar-cell-empty {
  min-height: 168px;
  background: transparent;
  border: 1px dashed color-mix(in srgb, var(--line) 70%, transparent);
  box-shadow: none;
}
.calendar-day-number {
  display: inline-flex;
  width: 34px;
  height: 34px;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: color-mix(in srgb, var(--panel) 88%, white 5%);
  font-weight: 900;
  color: var(--text);
}
.calendar-day-minutes,
.calendar-day-plan,
.calendar-day-plan-count,
.calendar-day-plan-flow {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  max-width: 100%;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
  line-height: 1.2;
}
.calendar-day-minutes { background: color-mix(in srgb, var(--blue) 18%, transparent); color: var(--muted-2); }
.calendar-day-plan { background: color-mix(in srgb, var(--green) 18%, transparent); color: var(--text); }
.calendar-day-plan-count { background: color-mix(in srgb, var(--yellow) 18%, transparent); color: var(--text); }
.calendar-day-plan-flow { background: color-mix(in srgb, var(--rose) 18%, transparent); color: var(--text); }
.calendar-day-plan-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}
.calendar-plan-chip {
  display: block;
  width: 100%;
  padding: 8px 10px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel-soft) 84%, white 3%);
  color: var(--muted-2);
  font-size: 12px;
  line-height: 1.35;
  white-space: normal;
  overflow-wrap: anywhere;
}
.calendar-cell.selected {
  border-color: color-mix(in srgb, var(--primary) 40%, white 8%);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--primary) 18%, transparent), var(--shadow-soft);
}
.calendar-cell.level-1 { background-image: linear-gradient(180deg, color-mix(in srgb, var(--green) 10%, var(--panel-soft)), color-mix(in srgb, var(--panel-strong) 95%, black 2%)); }
.calendar-cell.level-2 { background-image: linear-gradient(180deg, color-mix(in srgb, var(--blue) 12%, var(--panel-soft)), color-mix(in srgb, var(--panel-strong) 95%, black 2%)); }
.calendar-cell.level-3 { background-image: linear-gradient(180deg, color-mix(in srgb, var(--violet) 14%, var(--panel-soft)), color-mix(in srgb, var(--panel-strong) 95%, black 2%)); }
.calendar-cell.level-4 { background-image: linear-gradient(180deg, color-mix(in srgb, var(--orange) 16%, var(--panel-soft)), color-mix(in srgb, var(--panel-strong) 95%, black 2%)); }
.selected-day-block + .selected-day-block { margin-top: 26px; padding-top: 22px; border-top: 1px solid var(--line); }
.selected-day-block h3 { margin: 0 0 14px; font-size: 20px; }
.selected-day-plan-summary {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
}
.selected-day-plan-summary span,
.selected-day-note {
  padding: 10px 14px;
  border-radius: 16px;
  background: color-mix(in srgb, var(--panel-soft) 84%, white 3%);
  border: 1px solid var(--line);
}
.selected-day-note { display: block; margin-top: 14px; color: var(--muted-2); }
.plan-assignment-item .btn { min-width: 110px; }

/* Vista tema */
.topic-columns,
.document-layout,
.premium-document-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(320px, .75fr);
  gap: 22px;
  align-items: start;
}
.topic-hero-card,
.topic-daily-focus-card,
.premium-media-item,
.document-viewer,
.document-notes {
  padding: 28px;
}
.topic-hero-title { display: flex; gap: 18px; align-items: flex-start; }
.topic-hero-icon {
  width: 64px; height: 64px; display: grid; place-items: center; border-radius: 20px; font-size: 28px;
  background: linear-gradient(135deg, color-mix(in srgb, var(--blue) 28%, transparent), color-mix(in srgb, var(--accent) 20%, transparent));
}
.topic-daily-focus-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 16px; }
.topic-daily-focus-item,
.premium-media-item {
  border: 1px solid var(--line);
  border-radius: 20px;
  background: color-mix(in srgb, var(--panel-soft) 84%, white 3%);
}
.topic-daily-focus-item { padding: 18px 20px; }
.topic-plan-pill,
.topic-plan-mini-kicker,
.topic-plan-kicker,
.section-counter {
  display: inline-flex;
  align-items: center;
  padding: 7px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
}
.topic-plan-pill { background: color-mix(in srgb, var(--violet) 20%, transparent); }
.topic-plan-mini-kicker,
.topic-plan-kicker,
.section-counter { background: color-mix(in srgb, var(--blue) 16%, transparent); color: var(--muted-2); }
.premium-media-list { display: grid; gap: 16px; }
.premium-media-item { padding: 24px; }
.premium-media-top { display: flex; justify-content: space-between; gap: 16px; align-items: flex-start; }
.audio-player-shell { margin-top: 16px; }
.audio-player-shell audio { width: min(420px, 100%); }
.document-actions-premium { margin-top: 18px; display: flex; flex-wrap: wrap; }
.audio-status-badge {
  display: inline-flex; align-items: center; padding: 8px 12px; border-radius: 999px;
  background: color-mix(in srgb, var(--warning) 18%, transparent); color: var(--text); border: 1px solid var(--line);
}
.audio-status-badge.done { background: color-mix(in srgb, var(--success) 20%, transparent); }

.document-viewer { min-height: 72vh; padding: 0; }
.document-iframe { width: 100%; min-height: 72vh; display: block; background: #fff; }
.document-notes { display: grid; gap: 18px; align-self: stretch; }
.notes-textarea { min-height: 220px; }
.reading-status {
  padding: 14px 16px;
  border-radius: 18px;
  background: color-mix(in srgb, var(--panel-soft) 84%, white 3%);
  border: 1px solid var(--line);
}

/* Modales reales del proyecto */
.modal-shell {
  position: fixed;
  inset: 0;
  z-index: 120;
  display: grid;
  place-items: center;
  padding: 24px;
}
.modal-shell.hidden { display: none; }
.modal-shell .modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(11, 15, 28, 0.70);
  backdrop-filter: blur(6px);
}
.modal-dialog {
  position: relative;
  z-index: 1;
  width: min(1460px, 100%);
  max-height: calc(100vh - 48px);
}
.modal-dialog-md { width: min(760px, 100%); }
.modal-dialog-xl { width: min(1540px, 100%); }
.modal-card {
  background: var(--panel-strong);
  border: 1px solid var(--line);
  border-radius: 30px;
  box-shadow: var(--shadow);
  overflow: hidden;
  max-height: calc(100vh - 48px);
  display: flex;
  flex-direction: column;
}
.modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 24px 26px;
  border-bottom: 1px solid var(--line);
}
.modal-header h2 { margin: 0 0 6px; font-size: clamp(28px, 2vw, 38px); }
.modal-header p { margin: 0; color: var(--muted); }
.modal-header-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 12px;
}
.modal-body {
  padding: 22px 24px 24px;
  overflow: auto;
}
.modal-body-split {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, .8fr);
  gap: 20px;
  align-items: start;
}
.modal-pdf-pane,
.modal-notes-pane,
.modal-audio-toolbar,
.topic-study-assist-body {
  border: 1px solid var(--line);
  border-radius: 22px;
  background: color-mix(in srgb, var(--panel-soft) 86%, white 3%);
}
.modal-pdf-pane { min-height: 72vh; padding: 0; overflow: hidden; }
.modal-pdf-iframe { display: block; width: 100%; min-height: 72vh; background: #fff; }
.modal-notes-pane {
  display: grid;
  gap: 16px;
  padding: 20px;
  min-height: 72vh;
  align-content: start;
}
.modal-notes-textarea { min-height: 320px; }
.modal-audio-toolbar {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
}
.modal-audio-toolbar-main p { margin: 6px 0 0; }
.modal-audio-toolbar-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.topic-study-assist-card { max-width: 760px; margin: 0 auto; }
.topic-study-assist-head { padding-bottom: 20px; }
.topic-study-assist-body { padding: 22px; }
.topic-study-assist-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 14px;
  margin-bottom: 18px;
}
.topic-study-assist-metric {
  padding: 16px 18px;
  border-radius: 18px;
  background: color-mix(in srgb, var(--panel) 88%, white 3%);
  border: 1px solid var(--line);
}
.topic-study-assist-metric span { display: block; color: var(--muted); margin-bottom: 8px; }
.topic-study-assist-metric strong { font-size: 28px; }
.topic-study-assist-copy { margin-bottom: 18px; }

/* Resultados de test */
.test-review-list { gap: 16px; }
.test-review-card {
  padding: 22px 22px 20px 24px;
  border-radius: 22px;
  position: relative;
  background: linear-gradient(180deg, color-mix(in srgb, var(--panel-soft) 86%, white 3%), color-mix(in srgb, var(--panel-strong) 96%, black 1%));
}
.test-review-card.correct {
  border: 1px solid color-mix(in srgb, var(--success) 42%, var(--line));
  background: linear-gradient(180deg, color-mix(in srgb, var(--success) 16%, var(--panel-soft)), color-mix(in srgb, var(--panel-strong) 96%, black 1%));
  box-shadow: inset 4px 0 0 color-mix(in srgb, var(--success) 60%, transparent), var(--shadow-soft);
}
.test-review-card.incorrect {
  border: 1px solid color-mix(in srgb, var(--danger) 46%, var(--line));
  background: linear-gradient(180deg, color-mix(in srgb, var(--danger) 15%, var(--panel-soft)), color-mix(in srgb, var(--panel-strong) 96%, black 1%));
  box-shadow: inset 4px 0 0 color-mix(in srgb, var(--danger) 62%, transparent), var(--shadow-soft);
}
.test-review-card h3 { margin: 8px 0 14px; line-height: 1.32; }
.test-review-card p { margin: 10px 0; padding-right: 6px; }
.test-review-card p strong { color: var(--text); }
.test-review-card.correct p:last-of-type {
  padding: 12px 14px;
  border-radius: 16px;
  background: color-mix(in srgb, var(--success) 15%, transparent);
}
.test-review-card.incorrect p:nth-of-type(2),
.test-review-card.incorrect p:nth-of-type(3) {
  padding: 12px 14px;
  border-radius: 16px;
}
.test-review-card.incorrect p:nth-of-type(2) { background: color-mix(in srgb, var(--danger) 14%, transparent); }
.test-review-card.incorrect p:nth-of-type(3) { background: color-mix(in srgb, var(--success) 15%, transparent); }
.test-explanation-box { margin-top: 16px; }

/* Formularios y selects */
select,
input[type="date"],
input[type="number"],
input[type="text"],
input[type="email"],
input[type="password"],
textarea {
  background: color-mix(in srgb, var(--panel-soft) 84%, white 3%);
}
html[data-theme="dark"] select,
html[data-theme="dark"] option { color-scheme: dark; }
html[data-theme="light"] select,
html[data-theme="light"] option { color-scheme: light; }

/* Separaciones y pilas */
.premium-card + .premium-card,
.card + .premium-card,
.premium-card + .card { margin-top: 0; }
.topic-columns > .card,
.tests-layout > .card,
.planner-layout > .card,
.dashboard-grid > .card,
.dashboard-grid-3 > .card,
.blocks-grid > .block-card { min-height: 100%; }

@media (max-width: 1180px) {
  .topic-columns,
  .document-layout,
  .premium-document-layout,
  .modal-body-split,
  .topic-daily-focus-grid,
  .calendar-grid,
  .planner-layout,
  .tests-layout {
    grid-template-columns: 1fr;
  }
  .modal-pdf-pane,
  .modal-notes-pane,
  .document-iframe { min-height: 58vh; }
  .calendar-cell,
  .calendar-cell-empty { min-height: 110px; }
}

@media (max-width: 900px) {
  .planner-nav { align-items: stretch; }
  .planner-nav .btn { width: 100%; }
  .topic-daily-focus-grid,
  .topic-study-assist-metrics,
  .dashboard-grid .card:nth-child(5) .card-actions,
  .dashboard-grid .card:nth-child(5) .card-actions + .card-actions {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 760px) {
  .page-shell { width: min(100%, calc(100% - 10px)); }
  .card, .premium-card, .topic-hero-card, .topic-daily-focus-card, .premium-media-item, .document-notes, .modal-card { border-radius: 22px; }
  .planner-nav,
  .modal-header,
  .modal-audio-toolbar,
  .premium-media-top { flex-direction: column; align-items: stretch; }
  .modal-shell { padding: 12px; }
  .modal-body { padding: 16px; }
  .modal-header { padding: 18px 18px 16px; }
  .modal-pdf-pane,
  .modal-notes-pane,
  .modal-pdf-iframe,
  .document-iframe { min-height: 50vh; }
  .calendar-grid { gap: 8px; }
  .calendar-weekday { font-size: 12px; padding: 10px 4px; }
  .calendar-cell,
  .calendar-cell-empty { min-height: auto; padding: 10px; border-radius: 18px; }
  .calendar-day-number { width: 30px; height: 30px; }
  .topic-daily-focus-grid,
  .topic-study-assist-metrics,
  .dashboard-grid .card:nth-child(5) .card-actions,
  .dashboard-grid .card:nth-child(5) .card-actions + .card-actions { grid-template-columns: 1fr; }
  .document-actions-premium .btn,
  .study-plan-actions .btn,
  .notes-actions .btn,
  .modal-header-actions .btn { width: 100%; }
}

.card-actions-grid {
  display: grid !important;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}
.card-actions-grid.single-action { grid-template-columns: minmax(180px, 220px); }
.card-actions-grid .btn,
.admin-actions-grid .btn { width: 100%; justify-content: center; }
.admin-actions-card .card-actions { margin-top: 10px; }
.answer-chip {
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid var(--line);
}
.answer-chip-wrong {
  background: color-mix(in srgb, var(--danger) 14%, transparent);
  border-color: color-mix(in srgb, var(--danger) 34%, var(--line));
}
.answer-chip-right {
  background: color-mix(in srgb, var(--success) 15%, transparent);
  border-color: color-mix(in srgb, var(--success) 34%, var(--line));
}

/* Phase inmediata */
.icon-pill-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: 18px;
  border: 1px solid rgba(135, 150, 210, 0.35);
  background: rgba(92, 108, 158, 0.18);
  color: var(--text-strong, #eef2ff);
  cursor: pointer;
  transition: transform .18s ease, background .18s ease, border-color .18s ease;
}
.icon-pill-btn:hover { transform: translateY(-1px); background: rgba(120, 136, 193, 0.26); }
.icon-pill-btn.is-active { box-shadow: 0 0 0 1px rgba(255,255,255,.12) inset; }
.icon-pill-symbol { font-size: 1rem; line-height: 1; }
.auth-alt-link { margin-top: 16px; text-align: center; color: var(--text-muted, #aeb7d8); }
.auth-alt-link a { color: inherit; text-decoration: underline; }
.button-stack { display: grid; gap: 12px; }
.compact-stack .btn { justify-content: flex-start; }
.inline-actions-wrap { display: flex; flex-wrap: wrap; gap: 10px; }
.status-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 86px;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .02em;
  border: 1px solid rgba(255,255,255,.12);
}
.status-pill.status-pending, .status-pill.is-blank, .answer-chip-neutral {
  background: rgba(255, 214, 102, 0.18);
  color: #f6d674;
}
.status-pill.status-active, .status-pill.is-correct, .answer-chip-right {
  background: rgba(100, 214, 154, 0.16);
  color: #8ae0b2;
}
.status-pill.status-blocked, .status-pill.is-incorrect, .answer-chip-wrong {
  background: rgba(255, 114, 129, 0.16);
  color: #ff9aaa;
}
.status-pill.role-superadmin, .status-pill.role-admin { background: rgba(128, 153, 255, .18); color: #bdd0ff; }
.status-pill.role-content_admin { background: rgba(221, 145, 255, .18); color: #edc0ff; }
.status-pill.role-user { background: rgba(125, 214, 240, .16); color: #bdefff; }
.actions-cell-stacked { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.actions-cell-stacked form { margin: 0; }
.users-table td, .users-table th { vertical-align: middle; }
.formula-card { margin-top: 22px; }
.formula-text { font-size: 1.2rem; font-weight: 800; margin: 0 0 8px; }
.formula-help { margin: 0; color: var(--text-muted, #aeb7d8); }
.result-stat-score .stat-value { color: #b9c9ff; }
.result-stat-ok .stat-value { color: #8ae0b2; }
.result-stat-ko .stat-value { color: #ff9aaa; }
.result-stat-neutral .stat-value { color: #f6d674; }
.unified-result-list { gap: 18px; }
.test-review-card { padding: 22px; border-radius: 24px; }
.test-review-card.is-correct { border-left: 6px solid rgba(100, 214, 154, 0.9); background: rgba(100, 214, 154, 0.08); }
.test-review-card.is-incorrect { border-left: 6px solid rgba(255, 114, 129, 0.9); background: rgba(255, 114, 129, 0.08); }
.test-review-card.is-blank { border-left: 6px solid rgba(255, 214, 102, 0.9); background: rgba(255, 214, 102, 0.08); }
.test-review-head { display: flex; justify-content: space-between; gap: 12px; align-items: center; margin-bottom: 10px; }
.answer-chip-group { display: grid; gap: 10px; margin: 16px 0 10px; }
.answer-chip { display: block; padding: 12px 14px; border-radius: 16px; border: 1px solid rgba(255,255,255,.08); }
.test-explanation-box { margin-top: 12px; padding: 14px 16px; border-radius: 16px; background: rgba(255,255,255,.05); }
[data-theme="light"] body {
  background:
    radial-gradient(circle at top left, rgba(255, 205, 214, 0.34), transparent 22%),
    radial-gradient(circle at top right, rgba(255, 236, 179, 0.28), transparent 24%),
    radial-gradient(circle at bottom center, rgba(196, 229, 255, 0.35), transparent 24%),
    linear-gradient(180deg, #f4f1fb 0%, #edeff8 100%);
}
[data-theme="light"] .app-shell,
[data-theme="light"] .app-main,
[data-theme="light"] .app-content {
  background: transparent;
}
[data-theme="light"] .card,
[data-theme="light"] .auth-card,
[data-theme="light"] .app-sidebar,
[data-theme="light"] .app-topbar,
[data-theme="light"] .topbar-user-pill,
[data-theme="light"] .topbar-chip,
[data-theme="light"] .sidebar-link,
[data-theme="light"] .theme-toggle,
[data-theme="light"] .icon-pill-btn {
  background: rgba(255, 255, 255, 0.72);
  border-color: rgba(131, 145, 188, 0.24);
  box-shadow: 0 10px 30px rgba(81, 91, 134, 0.08);
}
[data-theme="light"] .status-pill.status-pending,
[data-theme="light"] .status-pill.is-blank,
[data-theme="light"] .answer-chip-neutral { color: #8a6600; }
[data-theme="light"] .status-pill.status-active,
[data-theme="light"] .status-pill.is-correct,
[data-theme="light"] .answer-chip-right { color: #146941; }
[data-theme="light"] .status-pill.status-blocked,
[data-theme="light"] .status-pill.is-incorrect,
[data-theme="light"] .answer-chip-wrong { color: #9a2232; }


/* ===== Ajustes correctivos fase inmediata v2 ===== */
html[data-theme="light"] {
  --bg: #f3f0f5;
  --bg-2: #eceff7;
  --bg-3: #e7ebf5;
  --panel: rgba(246, 242, 247, 0.84);
  --panel-strong: rgba(241, 236, 244, 0.96);
  --panel-soft: rgba(233, 231, 243, 0.94);
}

.topics-list {
  display: grid;
  gap: 24px;
}

.topic-card {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  gap: 22px;
  padding: 30px 30px 26px;
}

.topic-card-main {
  min-width: 0;
  display: grid;
  gap: 14px;
  align-content: start;
}

.topic-card-side {
  align-self: center;
  display: flex;
  justify-content: flex-end;
}

.topic-card .topic-head {
  align-items: flex-start;
  gap: 16px;
}

.topic-card h2 {
  line-height: 1.15;
}

.topic-card p,
.topic-description,
.media-description {
  margin: 0;
  line-height: 1.72;
}

.topic-subtitle {
  margin: 0;
  font-weight: 700;
}

.topic-meta-grid {
  margin-top: 2px;
}

.calendar-grid {
  align-items: stretch;
}

.calendar-cell {
  min-height: 182px;
  align-items: flex-start;
}

.calendar-day-plan-count,
.calendar-day-plan-flow,
.calendar-day-plan,
.calendar-day-minutes {
  white-space: nowrap;
}

.calendar-plan-chip {
  padding: 10px 12px;
  font-size: 12px;
  line-height: 1.4;
}

.modal-dialog-xl {
  width: min(1660px, 100%);
}

.modal-card {
  min-height: min(880px, calc(100vh - 48px));
}

.modal-body {
  padding: 24px 26px 26px;
}

.modal-body-split {
  grid-template-columns: minmax(0, 1.4fr) minmax(340px, 0.6fr);
  align-items: stretch;
}

.modal-pdf-pane,
.modal-notes-pane {
  min-height: 74vh;
}

.modal-pdf-iframe {
  min-height: 74vh;
}

.modal-notes-pane {
  padding: 22px;
}

.notes-actions-stacked {
  display: grid;
  gap: 12px;
}

.document-layout,
.premium-document-layout {
  grid-template-columns: minmax(0, 1.45fr) minmax(320px, 0.55fr);
  gap: 24px;
}

.document-viewer {
  min-height: 76vh;
}

.document-iframe {
  min-height: 76vh;
}

.document-notes {
  align-self: stretch;
  padding: 28px;
}

.test-review-list,
.unified-result-list {
  display: grid;
  gap: 18px;
}

.test-review-card {
  padding: 26px 26px 22px 28px;
}

.test-review-card h3 {
  margin: 10px 0 16px;
  line-height: 1.38;
}

.test-review-card p {
  margin: 0;
}

.test-review-head {
  margin-bottom: 14px;
}

.answer-chip-group {
  margin: 18px 0 12px;
}

.answer-chip {
  padding: 14px 16px;
}

.test-explanation-box {
  margin-top: 16px;
  padding: 16px 18px;
}

@media (max-width: 1180px) {
  .modal-body-split,
  .document-layout,
  .premium-document-layout {
    grid-template-columns: 1fr;
  }

  .modal-pdf-pane,
  .modal-notes-pane,
  .modal-pdf-iframe,
  .document-iframe,
  .document-viewer {
    min-height: 58vh;
  }
}

@media (max-width: 900px) {
  .topic-card {
    grid-template-columns: 1fr;
  }

  .topic-card-side {
    justify-content: flex-start;
  }
}

@media (max-width: 760px) {
  .topics-list {
    gap: 18px;
  }

  .topic-card {
    padding: 22px 20px 20px;
    gap: 18px;
  }

  .calendar-day-plan-count,
  .calendar-day-plan-flow,
  .calendar-day-plan,
  .calendar-day-minutes {
    white-space: normal;
  }
}

/* Study plan editor polish */
.study-plan-shell {
  gap: 26px;
}
.study-plan-hero {
  align-items: center;
  padding: 4px 2px 2px;
}
.study-plan-hero h1 {
  margin: 0 0 10px;
  font-size: clamp(34px, 3vw, 48px);
  letter-spacing: -.035em;
}
.study-plan-hero p {
  margin: 0;
  max-width: 820px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.6;
}
.study-plan-intro-card {
  padding: 16px;
  background: linear-gradient(180deg,
    color-mix(in srgb, var(--panel-soft) 89%, white 3%),
    color-mix(in srgb, var(--panel-strong) 96%, black 2%)
  );
}
.study-plan-intro-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.study-plan-intro-item {
  padding: 22px 22px 20px;
  border-radius: 24px;
  background:
    linear-gradient(180deg,
      color-mix(in srgb, var(--panel) 92%, white 4%),
      color-mix(in srgb, var(--panel-soft) 96%, black 2%)
    );
  border: 1px solid color-mix(in srgb, var(--line) 84%, white 4%);
  box-shadow: var(--shadow-soft);
}
.study-plan-intro-kicker {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 6px 12px;
  border-radius: 999px;
  font-weight: 900;
  font-size: 12px;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--text);
  background: linear-gradient(135deg,
    color-mix(in srgb, var(--yellow) 28%, var(--panel-soft)),
    color-mix(in srgb, var(--blue) 20%, var(--panel))
  );
  border: 1px solid color-mix(in srgb, var(--line) 88%, white 6%);
}
.study-plan-intro-item h3 {
  margin: 14px 0 10px;
  font-size: 24px;
  line-height: 1.2;
}
.study-plan-intro-item p {
  margin: 0;
  color: var(--muted);
  line-height: 1.62;
}
.study-plan-form {
  display: grid;
  gap: 26px;
}
.study-plan-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, .92fr);
  gap: 22px;
  align-items: start;
}
.study-plan-panel {
  padding: 24px;
  border-radius: 30px;
  border: 1px solid color-mix(in srgb, var(--line) 86%, white 4%);
  background: linear-gradient(180deg,
    color-mix(in srgb, var(--panel-soft) 90%, white 3%),
    color-mix(in srgb, var(--panel-strong) 96%, black 2%)
  );
  box-shadow: var(--shadow-soft);
}
.study-plan-panel + .study-plan-panel {
  margin-top: 0;
}
.study-plan-panel-primary {
  display: grid;
  gap: 22px;
}
.study-plan-panel-secondary {
  display: grid;
  gap: 18px;
  position: sticky;
  top: 18px;
}
.panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid color-mix(in srgb, var(--line) 76%, transparent);
}
.panel-head h3 {
  margin: 0 0 8px;
  font-size: 28px;
  letter-spacing: -.03em;
}
.panel-head p {
  margin: 0;
  color: var(--muted);
  line-height: 1.58;
}
.panel-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--text);
  background: linear-gradient(135deg,
    color-mix(in srgb, var(--violet) 32%, var(--panel)),
    color-mix(in srgb, var(--blue) 24%, var(--panel-soft))
  );
  border: 1px solid color-mix(in srgb, var(--line) 84%, white 6%);
}
.panel-pill-soft {
  background: linear-gradient(135deg,
    color-mix(in srgb, var(--green) 24%, var(--panel)),
    color-mix(in srgb, var(--yellow) 18%, var(--panel-soft))
  );
}
.study-plan-panel .field {
  display: grid;
  gap: 10px;
}
.study-plan-panel .field > label,
.study-plan-panel .field-inline > span {
  font-weight: 800;
  color: var(--text);
}
.study-plan-panel .field-help {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}
.study-plan-panel input,
.study-plan-panel select,
.study-plan-panel textarea {
  width: 100%;
  min-height: 56px;
  padding: 15px 17px;
  border-radius: 19px;
  border: 1px solid color-mix(in srgb, var(--line) 84%, white 4%);
  background: color-mix(in srgb, var(--panel) 92%, white 4%);
  color: var(--text);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.03);
}
.study-plan-panel textarea {
  min-height: 132px;
  resize: vertical;
  line-height: 1.55;
}
.study-plan-panel input:focus,
.study-plan-panel select:focus,
.study-plan-panel textarea:focus {
  outline: none;
  border-color: color-mix(in srgb, var(--violet) 42%, var(--line-strong));
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--violet) 14%, transparent);
}
.form-grid.form-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}
.study-plan-mode-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.study-plan-mode-card,
.study-plan-days-card {
  padding: 18px 20px;
  border-radius: 24px;
  border: 1px solid color-mix(in srgb, var(--line) 80%, white 4%);
  background: color-mix(in srgb, var(--panel) 94%, white 3%);
}
.study-plan-mode-card strong,
.study-plan-days-card strong {
  display: block;
  margin-bottom: 8px;
  font-size: 17px;
}
.study-plan-mode-card p,
.study-plan-days-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.56;
}
.study-plan-mode-card.is-active {
  border-color: color-mix(in srgb, var(--magenta) 34%, var(--line-strong));
  background: linear-gradient(180deg,
    color-mix(in srgb, var(--magenta) 12%, var(--panel)),
    color-mix(in srgb, var(--panel-soft) 96%, black 1%)
  );
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--magenta) 16%, transparent), var(--shadow-soft);
}
.inline-checks.inline-checks-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}
.check-pill {
  position: relative;
}
.check-pill input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.check-pill span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--line) 82%, white 4%);
  background: color-mix(in srgb, var(--panel-strong) 94%, white 2%);
  color: var(--text);
  font-weight: 800;
  transition: transform .18s ease, border-color .18s ease, background .18s ease, box-shadow .18s ease;
}
.check-pill input:checked + span {
  border-color: color-mix(in srgb, var(--green) 38%, var(--line-strong));
  background: linear-gradient(135deg,
    color-mix(in srgb, var(--green) 22%, var(--panel)),
    color-mix(in srgb, var(--blue) 18%, var(--panel-soft))
  );
  box-shadow: 0 8px 18px rgba(10,18,40,.16);
}
.check-pill:hover span { transform: translateY(-1px); }
.check-row.check-row-highlight {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 56px;
  padding: 16px 18px;
  border-radius: 20px;
  border: 1px solid color-mix(in srgb, var(--line) 80%, white 4%);
  background: linear-gradient(135deg,
    color-mix(in srgb, var(--blue) 16%, var(--panel)),
    color-mix(in srgb, var(--violet) 10%, var(--panel-soft))
  );
}
.check-row.check-row-highlight span { font-weight: 800; }
.study-plan-empty-state {
  padding: 26px 22px;
  border-radius: 24px;
  border: 1px dashed color-mix(in srgb, var(--line) 84%, white 6%);
  background: color-mix(in srgb, var(--panel) 88%, transparent);
}
.study-plan-empty-state strong {
  display: block;
  margin-bottom: 8px;
  font-size: 18px;
}
.study-plan-empty-state p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}
.study-plan-sequence {
  display: grid;
  gap: 14px;
}
.plan-seq-item {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr) minmax(210px, 240px);
  align-items: center;
  gap: 16px;
  padding: 16px;
  border-radius: 24px;
  border: 1px solid color-mix(in srgb, var(--line) 82%, white 5%);
  background: linear-gradient(180deg,
    color-mix(in srgb, var(--panel) 94%, white 4%),
    color-mix(in srgb, var(--panel-soft) 96%, black 2%)
  );
  box-shadow: var(--shadow-soft);
}
.plan-seq-handle {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 18px;
  font-size: 24px;
  font-weight: 900;
  color: var(--muted-2);
  background: color-mix(in srgb, var(--panel-strong) 92%, white 4%);
  border: 1px solid color-mix(in srgb, var(--line) 80%, white 4%);
  cursor: grab;
}
.plan-seq-main strong {
  display: block;
  margin: 0 0 6px;
  font-size: 18px;
  line-height: 1.35;
}
.plan-seq-main .muted {
  color: var(--muted);
  line-height: 1.5;
}
.field-inline {
  display: grid;
  gap: 8px;
}
.field-inline input { min-height: 50px; }
.field-topic-picker {
  padding-top: 8px;
  border-top: 1px solid color-mix(in srgb, var(--line) 76%, transparent);
}
.study-plan-topic-picker {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.study-plan-topic-picker .btn {
  min-height: 44px;
  border-radius: 999px;
  justify-content: flex-start;
  padding-inline: 16px;
}
.study-plan-actions {
  display: flex;
  justify-content: flex-end;
  gap: 14px;
  padding-top: 4px;
}

html[data-theme="light"] .study-plan-panel,
html[data-theme="light"] .study-plan-intro-card,
html[data-theme="light"] .study-plan-intro-item,
html[data-theme="light"] .study-plan-mode-card,
html[data-theme="light"] .study-plan-days-card,
html[data-theme="light"] .plan-seq-item {
  box-shadow: 0 16px 36px rgba(114, 128, 176, 0.12);
}
html[data-theme="light"] .study-plan-panel input,
html[data-theme="light"] .study-plan-panel select,
html[data-theme="light"] .study-plan-panel textarea {
  background: color-mix(in srgb, var(--panel) 94%, #f8f6ff 6%);
}

@media (max-width: 1180px) {
  .study-plan-intro-grid,
  .study-plan-grid {
    grid-template-columns: 1fr;
  }
  .study-plan-panel-secondary {
    position: static;
  }
}

@media (max-width: 860px) {
  .form-grid.form-grid-2,
  .study-plan-mode-cards,
  .plan-seq-item {
    grid-template-columns: 1fr;
  }
  .plan-seq-item {
    gap: 12px;
  }
  .plan-seq-handle {
    width: 48px;
    height: 48px;
  }
}

@media (max-width: 640px) {
  .study-plan-panel,
  .study-plan-intro-item {
    padding: 18px;
    border-radius: 22px;
  }
  .panel-head,
  .study-plan-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .study-plan-actions .btn,
  .study-plan-topic-picker .btn {
    width: 100%;
  }
}

.dashboard-recommendations-card {
  padding: 24px;
}
.dashboard-recommendations-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.dashboard-recommendation {
  display: grid;
  gap: 14px;
  align-content: space-between;
  min-height: 160px;
  padding: 20px;
  border-radius: 22px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel-soft) 90%, white 3%);
}
.dashboard-recommendation h3 { margin: 0 0 8px; }
.dashboard-recommendation p { margin: 0; color: var(--muted); line-height: 1.55; }
.dashboard-recommendation-danger { box-shadow: inset 4px 0 0 color-mix(in srgb, var(--danger) 65%, transparent); }
.dashboard-recommendation-warning { box-shadow: inset 4px 0 0 color-mix(in srgb, var(--warning) 65%, transparent); }
.dashboard-recommendation-success { box-shadow: inset 4px 0 0 color-mix(in srgb, var(--success) 65%, transparent); }
.dashboard-recommendation-info { box-shadow: inset 4px 0 0 color-mix(in srgb, var(--cyan) 65%, transparent); }
.dashboard-progress-card,
.dashboard-weak-card { display: grid; gap: 18px; }
.dashboard-status-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.dashboard-status-pill {
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel-soft) 88%, white 2%);
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}
.dashboard-status-pill span { color: var(--muted); }
.dashboard-status-pill strong { font-size: 20px; }
.dashboard-status-pill.is-warning { background: color-mix(in srgb, var(--warning) 12%, var(--panel-soft)); }
.dashboard-status-pill.is-success { background: color-mix(in srgb, var(--success) 12%, var(--panel-soft)); }
.dashboard-status-pill.is-info { background: color-mix(in srgb, var(--cyan) 12%, var(--panel-soft)); }
.dashboard-status-pill.is-accent { background: color-mix(in srgb, var(--violet) 12%, var(--panel-soft)); }
.reading-session-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}
.reading-timer-inline {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.timer-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 88px;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel) 90%, white 2%);
  font-weight: 700;
}
.reading-status-help {
  margin: 8px 0 0;
  color: var(--muted);
}
.compact-reading-status {
  display: grid;
  gap: 10px;
}
.topic-study-assist-card {
  max-width: 760px;
  margin: 0 auto;
  min-height: auto !important;
}
.topic-study-assist-head {
  padding: 26px 28px 18px;
}
.topic-study-assist-body {
  margin: 0 20px 20px;
  padding: 22px;
}
.reading-complete-card {
  max-width: 680px;
  margin: 0 auto;
  min-height: auto !important;
}
.reading-complete-body {
  margin: 0 20px 20px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: color-mix(in srgb, var(--panel-soft) 88%, white 2%);
  display: grid;
  gap: 18px;
}
@media (max-width: 1180px) {
  .dashboard-recommendations-grid,
  .dashboard-status-grid {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 760px) {
  .reading-session-row {
    align-items: stretch;
  }
  .reading-timer-inline {
    width: 100%;
    justify-content: space-between;
  }
  .topic-study-assist-head {
    padding: 22px 22px 16px;
  }
  .topic-study-assist-body,
  .reading-complete-body {
    margin: 0 14px 14px;
    padding: 18px;
  }
}


/* ===== Phase 8 · responsive shell + calendar refinement ===== */
.planner-layout-calendar {
  grid-template-columns: minmax(0, 1fr) minmax(300px, 380px);
  align-items: start;
}

.calendar-grid-shell {
  width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
  padding-bottom: 6px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.calendar-grid-shell .calendar-grid {
  width: max(100%, 860px);
  min-width: 860px;
}

.calendar-grid-shell::-webkit-scrollbar,
.topbar-actions::-webkit-scrollbar,
.topbar-carousel::-webkit-scrollbar {
  height: 8px;
}

.calendar-grid-shell::-webkit-scrollbar-thumb,
.topbar-actions::-webkit-scrollbar-thumb,
.topbar-carousel::-webkit-scrollbar-thumb {
  background: color-mix(in srgb, var(--line-strong) 74%, transparent);
  border-radius: 999px;
}

@media (max-width: 1440px) {
  .planner-layout-calendar {
    grid-template-columns: 1fr;
  }

  .calendar-grid-shell .calendar-grid {
    width: max(100%, 900px);
    min-width: 900px;
  }

  .calendar-cell,
  .calendar-cell-empty {
    min-height: 148px;
    padding: 12px;
    gap: 8px;
  }

  .calendar-day-plan-count,
  .calendar-day-plan-flow,
  .calendar-day-plan,
  .calendar-day-minutes {
    white-space: normal;
  }
}

@media (max-width: 1180px) {
  .calendar-grid {
    grid-template-columns: repeat(7, minmax(102px, 1fr)) !important;
  }

  .planner-layout-calendar {
    grid-template-columns: 1fr !important;
  }
}

@media (max-width: 980px) {
  .app-topbar {
    padding-top: 16px;
    padding-bottom: 12px;
  }

  .topbar-main-row {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }

  .topbar-left {
    width: 100%;
    min-width: 0;
    align-items: flex-start;
  }

  .topbar-title-wrap {
    min-width: 0;
  }

  .topbar-title-wrap h1 {
    font-size: clamp(20px, 6vw, 30px);
    line-height: 1.12;
  }

  .topbar-actions {
    width: 100%;
    min-width: 0;
    overflow-x: auto;
    flex-wrap: nowrap;
    justify-content: flex-start;
    padding-bottom: 4px;
    gap: 10px;
  }

  .theme-toggle,
  .icon-pill-btn {
    flex: 0 0 auto;
    min-height: 50px;
    padding: 10px 14px;
  }
}

@media (max-width: 760px) {
  .page-shell {
    width: min(100%, calc(100% - 8px));
  }

  .app-topbar,
  .app-content {
    padding-left: 10px;
    padding-right: 10px;
  }

  .topbar-left {
    gap: 12px;
  }

  .topbar-actions {
    margin-inline: -2px;
    padding-inline: 2px;
  }

  .theme-toggle-label {
    font-size: 14px;
  }

  .topbar-carousel-wrap {
    gap: 8px;
  }

  .topbar-carousel {
    gap: 10px;
    padding: 4px 2px 8px;
  }

  .topbar-chip {
    padding: 12px 16px;
    font-size: 14px;
  }

  .planner-layout-calendar > .card {
    padding: 18px 14px;
  }

  .calendar-grid-shell {
    margin-inline: -4px;
    padding-inline: 4px;
  }

  .calendar-grid-shell .calendar-grid {
    width: max(100%, 780px);
    min-width: 780px;
    gap: 8px;
  }

  .calendar-weekday {
    padding: 9px 4px;
    border-radius: 14px;
  }

  .calendar-cell,
  .calendar-cell-empty {
    min-height: 132px;
    padding: 10px;
    border-radius: 18px;
  }

  .calendar-day-number {
    width: 30px;
    height: 30px;
    border-radius: 10px;
  }

  .calendar-plan-chip {
    padding: 8px 9px;
    font-size: 11px;
  }

  .selected-day-block {
    padding: 2px 0 0;
  }
}

@media (max-width: 460px) {
  .icon-btn {
    width: 44px;
    height: 44px;
    border-radius: 14px;
  }

  .topbar-left {
    align-items: center;
  }

  .topbar-title-wrap .eyebrow {
    font-size: 10px;
  }

  .topbar-title-wrap h1 {
    font-size: 18px;
  }

  .theme-toggle,
  .icon-pill-btn {
    padding: 10px 12px;
    border-radius: 16px;
  }

  .theme-toggle-track {
    width: 48px;
  }

  .topbar-chip {
    padding: 11px 14px;
  }
}


/* Fase 9 · densidad visual y recordatorios */
.compact-list { gap: 10px; }
.compact-list .recent-session-item p { margin-top: 4px; }

@media (min-width: 1100px) {
  :root {
    --sidebar-width: 252px;
    --radius: 22px;
    --radius-sm: 16px;
  }

  body { font-size: 15px; }
  .app-content { padding: 20px 22px 36px; }
  .app-topbar { padding: 14px 18px 10px; }
  .topbar-main-row { margin-bottom: 10px; }
  .topbar-title-wrap h1 { font-size: clamp(22px, 1.5vw, 30px); }
  .topbar-title-wrap .eyebrow { font-size: 10px; }
  .topbar-actions { gap: 10px; }
  .theme-toggle, .topbar-user-pill, .icon-pill-btn { min-height: 46px; padding: 8px 12px; border-radius: 16px; }
  .theme-toggle-track { width: 46px; height: 24px; }
  .theme-toggle-thumb { width: 16px; height: 16px; }
  html[data-theme="light"] .theme-toggle-thumb { transform: translateX(22px); }
  .topbar-chip { padding: 10px 15px; font-size: 14px; }
  .carousel-nav { width: 36px; height: 36px; border-radius: 12px; }
  .icon-btn { width: 44px; height: 44px; border-radius: 14px; }
  .page-shell { gap: 16px; }
  .page-header h1, .page-header-row h1, .dashboard-header h1 { font-size: clamp(24px, 1.75vw, 34px); margin-bottom: 4px; }
  .page-header p, .page-header-row p, .dashboard-header p { font-size: 15px; }
  .card, .content-card, .premium-card, .admin-form-card { padding: 18px; }
  .topic-card, .block-card, .plan-item, .test-question-card, .test-review-card { padding: 18px 18px 16px; }
  .dashboard-grid, .dashboard-grid-3, .tests-layout, .planner-layout, .blocks-grid { gap: 16px; }
  .btn { padding: 11px 16px; border-radius: 16px; }
  .btn-sm { padding: 8px 12px; border-radius: 12px; }
  .field input, .field select, .field textarea, .search-input, input[type="text"], input[type="email"], input[type="password"], input[type="number"], input[type="date"], select, textarea { padding: 12px 14px; border-radius: 16px; }
  .sidebar-brand { padding: 14px; border-radius: 18px; }
  .sidebar-link { padding: 11px 13px; }
  .calendar-grid-shell { padding: 4px; }
  .calendar-grid { gap: 10px; }
  .calendar-weekday { min-height: 42px; font-size: 14px; }
  .calendar-cell { min-height: 164px; padding: 10px; border-radius: 20px; }
  .calendar-day-number { font-size: 15px; }
  .calendar-day-minutes, .calendar-day-plan, .calendar-day-plan-count, .calendar-day-plan-flow { font-size: 12px; }
  .calendar-plan-chip { font-size: 12px; padding: 8px 10px; }
}

@media (min-width: 1440px) {
  .page-shell, .auth-shell { width: min(1500px, calc(100% - 24px)); }
  .dashboard-grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .dashboard-grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .planner-layout { grid-template-columns: minmax(0, 1.65fr) minmax(320px, 0.85fr); }
  .topic-card .page-actions, .card-actions { gap: 8px; }
}

@media (min-width: 1100px) and (max-width: 1360px) {
  .blocks-grid, .dashboard-grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

.text-warning { color: #ffd89d; }
.role-guard-note { display: inline-flex; align-items: center; justify-content: center; min-height: 36px; padding: 0 12px; border-radius: 999px; border: 1px solid rgba(255,255,255,.12); background: rgba(255, 208, 138, .12); color: #ffd89d; font-size: .82rem; font-weight: 700; }


/* Fase 12 · cierre premium, compactación y accesibilidad */
.skip-link {
  position: fixed;
  top: 10px;
  left: 12px;
  z-index: 120;
  padding: 10px 14px;
  border-radius: 14px;
  background: var(--panel-strong);
  color: var(--text);
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow-soft);
  transform: translateY(-140%);
  transition: transform .18s ease;
}
.skip-link:focus { transform: translateY(0); }

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.page-header,
.page-header-row,
.dashboard-header {
  gap: 12px;
}

.page-header p,
.page-header-row p,
.dashboard-header p {
  max-width: 78ch;
  color: var(--muted);
}

.section-head {
  gap: 10px;
}

.section-head h2,
.card h2,
.content-card h2,
.premium-card h2,
.admin-form-card h2 {
  letter-spacing: -.02em;
}

.card p,
.content-card p,
.premium-card p,
.plan-item p,
.topic-card p,
.block-card p {
  color: var(--muted-2);
}

.card > :first-child,
.content-card > :first-child,
.premium-card > :first-child,
.admin-form-card > :first-child,
.plan-item > :first-child,
.test-question-card > :first-child,
.test-review-card > :first-child {
  margin-top: 0;
}

.card > :last-child,
.content-card > :last-child,
.premium-card > :last-child,
.admin-form-card > :last-child,
.plan-item > :last-child,
.test-question-card > :last-child,
.test-review-card > :last-child {
  margin-bottom: 0;
}

.card-actions {
  row-gap: 10px;
}

.topbar-actions {
  flex-wrap: wrap;
  justify-content: flex-end;
}

.topbar-user-pill {
  min-width: 0;
}

.topbar-user-pill span,
.user-mini-card span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 240px;
}

.table-wrap,
.admin-table-wrap,
.table-responsive {
  width: 100%;
  overflow-x: auto;
  border-radius: calc(var(--radius-sm) + 4px);
}

table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
}

thead th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: color-mix(in srgb, var(--panel-strong) 92%, white 3%);
}

table th,
table td {
  padding: 12px 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}

tbody tr:hover td {
  background: color-mix(in srgb, var(--panel-soft) 88%, white 2%);
}

.badge,
.status-badge,
.pill,
.topic-status-badge,
.audio-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 30px;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
}

.modal-panel,
.modal-card,
.modal-dialog,
.modal-shell {
  max-width: 100%;
}

.modal-body,
.modal-card-body,
.modal-body-split {
  gap: 16px;
}

.dashboard-recommendations-grid,
.dashboard-status-grid,
.plan-list,
.recent-sessions,
.topic-grid,
.blocks-grid,
.dashboard-grid,
.dashboard-grid-3,
.dashboard-grid-4,
.tests-layout,
.planner-layout {
  align-items: start;
}

@media (min-width: 900px) {
  :root {
    --sidebar-width: 244px;
    --radius: 22px;
    --radius-sm: 16px;
  }

  body {
    font-size: 15px;
  }

  .page-shell,
  .auth-shell {
    width: min(1480px, calc(100% - 18px));
  }

  .app-topbar {
    padding: 12px 16px 8px;
  }

  .app-content {
    padding: 18px 18px 34px;
  }

  .sidebar-brand {
    padding: 13px;
    border-radius: 18px;
  }

  .brand-mark {
    width: 42px;
    height: 42px;
    border-radius: 14px;
  }

  .sidebar-link {
    padding: 10px 12px;
    border-radius: 14px;
  }

  .sidebar-footer {
    gap: 10px;
  }

  .user-mini-card {
    padding: 14px;
    border-radius: 16px;
  }

  .topbar-main-row {
    gap: 12px;
    margin-bottom: 10px;
  }

  .topbar-left,
  .topbar-actions {
    gap: 10px;
  }

  .topbar-title-wrap h1 {
    font-size: clamp(22px, 1.45vw, 30px);
  }

  .theme-toggle,
  .icon-pill-btn,
  .topbar-user-pill {
    min-height: 44px;
    padding: 8px 12px;
    border-radius: 15px;
  }

  .theme-toggle-label,
  .icon-pill-btn .theme-toggle-label {
    font-size: 13px;
  }

  .theme-toggle-track {
    width: 44px;
    height: 24px;
  }

  .theme-toggle-thumb {
    width: 16px;
    height: 16px;
  }

  html[data-theme="light"] .theme-toggle-thumb {
    transform: translateX(20px);
  }

  .topbar-chip {
    padding: 9px 14px;
    font-size: 13px;
  }

  .card,
  .content-card,
  .premium-card,
  .admin-form-card,
  .block-card,
  .topic-card,
  .plan-item,
  .test-question-card,
  .test-review-card {
    padding: 16px;
  }

  .auth-card {
    padding: 30px;
  }

  .page-shell {
    gap: 16px;
  }

  .page-header,
  .page-header-row,
  .dashboard-header {
    margin-bottom: 2px;
  }

  .dashboard-grid,
  .dashboard-grid-3,
  .dashboard-grid-4,
  .tests-layout,
  .planner-layout,
  .blocks-grid {
    gap: 14px;
  }

  .section-head {
    margin-bottom: 12px;
  }

  .btn {
    min-height: 42px;
    padding: 9px 14px;
    border-radius: 14px;
  }

  .btn-sm {
    min-height: 34px;
    padding: 6px 10px;
    border-radius: 11px;
  }

  .field input,
  .field select,
  .field textarea,
  .search-input,
  input[type="text"],
  input[type="email"],
  input[type="password"],
  input[type="number"],
  input[type="date"],
  select,
  textarea {
    padding: 11px 13px;
    border-radius: 14px;
  }

  textarea {
    min-height: 110px;
  }

  .stat-card .stat-value {
    font-size: clamp(24px, 1.8vw, 34px);
  }

  .recent-session-item,
  .dashboard-recommendation,
  .plan-item,
  .question-bank-item,
  .review-card {
    padding: 12px 14px;
    border-radius: 16px;
  }

  table th,
  table td {
    padding: 10px 12px;
    font-size: 14px;
  }

  .calendar-grid {
    gap: 8px;
  }

  .calendar-cell,
  .calendar-cell-empty {
    min-height: 152px;
    padding: 9px;
  }

  .calendar-weekday {
    min-height: 38px;
    font-size: 13px;
  }

  .calendar-plan-chip {
    padding: 7px 9px;
    font-size: 11px;
  }
}

@media (min-width: 1280px) {
  .dashboard-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }

  .dashboard-grid-2 {
    grid-template-columns: repeat(2, minmax(320px, 1fr));
  }

  .dashboard-grid-3 {
    grid-template-columns: repeat(3, minmax(260px, 1fr));
  }

  .dashboard-grid-4 {
    grid-template-columns: repeat(4, minmax(220px, 1fr));
  }

  .dashboard-grid > .card,
  .dashboard-grid > article {
    min-width: 0;
  }

  .topbar-user-pill span {
    max-width: 180px;
  }
}

@media (max-width: 1180px) {
  .topbar-user-pill span {
    display: none;
  }
}


/* Fase 14 · ranking, gamificación y reparación responsive */
.dashboard-shell .dashboard-main-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 14px;
  align-items: start;
}
.span-12 { grid-column: span 12; }
.span-6 { grid-column: span 6; }
.span-5 { grid-column: span 5; }
.span-4 { grid-column: span 4; }
.span-3 { grid-column: span 3; }
.stat-grid {
  display: grid;
  gap: 14px;
}
.stat-grid-six { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.progress-track {
  width: 100%;
  height: 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel-soft) 84%, white 3%);
  overflow: hidden;
  margin-top: 10px;
}
.progress-bar {
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--blue), var(--violet), var(--magenta), var(--orange));
}
.gamification-badges { margin-top: 12px; }
.gamification-badge {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-size: 12px;
  font-weight: 800;
}
.gamification-badge.tone-success { background: rgba(22,196,127,.12); }
.gamification-badge.tone-accent { background: rgba(124,92,255,.14); }
.gamification-badge.tone-info { background: rgba(79,140,255,.14); }
.gamification-badge.tone-warning { background: rgba(245,158,11,.14); }
.gamification-badge.tone-neutral { background: color-mix(in srgb, var(--panel-soft) 84%, white 2%); }
.leaderboard-mini-list { display: grid; gap: 10px; }
.leaderboard-mini-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel-soft) 84%, white 3%);
}
.leaderboard-mini-item.is-self,
.leaderboard-table tbody tr.is-self td {
  background: color-mix(in srgb, var(--violet) 12%, var(--panel-soft));
}
.leaderboard-mini-item p { margin: 4px 0 0; }
.leaderboard-shell .leaderboard-hero-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.leaderboard-table-wrap { overflow-x: auto; }
.leaderboard-table small { color: var(--muted); }
.admin-kpi-grid,
.tests-kpi-grid,
.study-plan-kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
}
.admin-actions-layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.admin-actions-card,
.tests-ranking-callout,
.study-plan-toolbar { min-width: 0; }
.admin-actions-card .button-stack .btn { width: 100%; justify-content: center; }
.admin-push-shell .dashboard-grid-4 > .card,
.admin-push-shell .dashboard-grid-2 > .card,
.admin-push-shell .dashboard-grid-2 > article { min-width: 0; }
.admin-push-shell .reading-status { display:grid; gap: 10px; }
.admin-push-shell .reading-status p { margin: 0; }
.tests-layout,
.planner-layout {
  align-items: start;
}
.tests-layout > .card,
.tests-layout > article,
.planner-layout > .card,
.planner-layout > article { min-width: 0; }
.tests-layout .plan-item,
.study-plan-shell .plan-item,
.admin-dashboard-shell .button-stack { min-width: 0; }
.test-result-shell .result-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
}
.dashboard-activity-grid {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

@media (max-width: 1399px) {
  .dashboard-shell .dashboard-main-grid { grid-template-columns: repeat(8, minmax(0, 1fr)); }
  .stat-grid-six { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .span-5, .span-4, .span-3 { grid-column: span 4; }
  .span-12 { grid-column: span 8; }
}

@media (max-width: 1099px) {
  .dashboard-shell .dashboard-main-grid,
  .leaderboard-shell .leaderboard-hero-grid,
  .admin-actions-layout {
    grid-template-columns: 1fr;
  }
  .span-12, .span-6, .span-5, .span-4, .span-3 { grid-column: span 1; }
  .stat-grid-six { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 720px) {
  .stat-grid-six,
  .admin-kpi-grid,
  .tests-kpi-grid,
  .study-plan-kpi-grid,
  .test-result-shell .result-stats-grid {
    grid-template-columns: 1fr;
  }
}


/* ===== Style settings / flat presets ===== */
:root {
  --font-family-base: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-family-heading: var(--font-family-base);
  --user-font-scale: 100%;
  --button-bg: var(--primary);
  --button-text: #132033;
}
html { font-size: var(--user-font-scale); }
body, button, input, select, textarea { font-family: var(--font-family-base); }
h1,h2,h3,h4,h5,.brand-mark,.topbar-title-wrap h1 { font-family: var(--font-family-heading); }
html[data-font-family="system"] { --font-family-base: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
html[data-font-family="rounded"] { --font-family-base: "Trebuchet MS", "Avenir Next", "Segoe UI", sans-serif; }
html[data-font-family="serif"] { --font-family-base: Georgia, "Noto Serif", serif; --font-family-heading: Georgia, "Noto Serif", serif; }
html[data-font-family="mono"] { --font-family-base: "JetBrains Mono", "Fira Code", Consolas, monospace; --font-family-heading: "JetBrains Mono", Consolas, monospace; }

/* flat defaults */
body {
  background: var(--bg);
}
.app-sidebar,
.app-topbar,
.card,
.panel-card,
.auth-card,
.table-responsive,
.modal-card,
.stat-card,
.plan-item,
.preview-list-item,
.theme-preset-card,
.style-preview-card,
.calendar-shell,
.calendar-day-detail,
.calendar-grid-shell,
.topbar-chip,
.sidebar-link,
.icon-pill-btn,
.theme-toggle,
.topbar-user-pill,
.btn,
.leaderboard-mini-item,
.recent-session-item,
.dashboard-status-pill,
.gamification-badge,
.calendar-cell,
.chip,
.kpi-card,
.admin-actions-card,
.tests-layout > .card {
  background-image: none !important;
}
.app-sidebar { background: var(--bg-2); }
.app-topbar { background: color-mix(in srgb, var(--bg-2) 96%, black 4%); }
.card, .panel-card, .stat-card, .admin-actions-card, .tests-layout > .card, .calendar-shell, .calendar-day-detail, .calendar-grid-shell { background: var(--panel-strong); }
.topbar-chip, .sidebar-link, .icon-pill-btn, .theme-toggle, .topbar-user-pill { background: var(--panel-soft); }
.btn-primary { background: var(--primary); color: var(--button-text); box-shadow: none; }
.btn-secondary { background: color-mix(in srgb, var(--accent) 16%, var(--panel-soft)); color: var(--text); box-shadow:none; }
.btn-ghost { background: var(--panel-soft); color: var(--text); }
.brand-mark, .sidebar-link-dot, .block-dot { background: var(--primary) !important; }
.theme-toggle-track { background: color-mix(in srgb, var(--primary) 44%, var(--panel-soft)); }
.progress-bar { background: var(--primary); }

html[data-style-preset="default"] {
  --primary: #8aa4ff; --accent: #8fd1c7; --accent-2:#f0c98a; --panel:#222843; --panel-strong:#28304f; --panel-soft:#31395c; --bg:#151a2b; --bg-2:#1b2136; --bg-3:#202741; --line: rgba(210,218,255,.14); --line-strong: rgba(210,218,255,.24); --text:#f5f7ff; --muted:#c6cbe2; --muted-2:#eff2ff; --button-text:#172238;
}
html[data-style-preset="mono-dark"] {
  --primary:#d9dce6; --accent:#9aa2b2; --accent-2:#787f8f; --panel:#1c1f27; --panel-strong:#232730; --panel-soft:#2d313d; --bg:#0f1115; --bg-2:#161920; --bg-3:#1b1f27; --line:rgba(255,255,255,.12); --line-strong:rgba(255,255,255,.22); --text:#f2f4f8; --muted:#b9bfcb; --muted-2:#ffffff; --button-text:#15171c;
}
html[data-style-preset="mono-light"] {
  --primary:#1f2734; --accent:#4f596a; --accent-2:#8891a3; --panel:#ffffff; --panel-strong:#fcfcfd; --panel-soft:#f0f2f5; --bg:#f6f7f9; --bg-2:#eef1f5; --bg-3:#e7ebf0; --line:rgba(31,39,52,.10); --line-strong:rgba(31,39,52,.18); --text:#1f2734; --muted:#5f6878; --muted-2:#1f2734; --button-text:#ffffff;
}
html[data-style-preset="halloween"] {
  --primary:#f39a2d; --accent:#c64b2e; --accent-2:#ffcf7b; --panel:#2b1a1b; --panel-strong:#342123; --panel-soft:#44292b; --bg:#190f10; --bg-2:#201213; --bg-3:#281617; --line:rgba(255,195,120,.16); --line-strong:rgba(255,195,120,.26); --text:#fff1e1; --muted:#e8c8b1; --muted-2:#fff7ed; --button-text:#2a180f;
}
html[data-style-preset="navidad"] {
  --primary:#d94c55; --accent:#78b0ff; --accent-2:#d4e8ff; --panel:#20303a; --panel-strong:#273945; --panel-soft:#314754; --bg:#16222a; --bg-2:#1d2b34; --bg-3:#22323d; --line:rgba(216,235,255,.14); --line-strong:rgba(216,235,255,.24); --text:#f7fbff; --muted:#c7d8e6; --muted-2:#ffffff; --button-text:#ffffff;
}
html[data-style-preset="verano"] {
  --primary:#f5c53f; --accent:#2f2b2a; --accent-2:#ffdc76; --panel:#36302b; --panel-strong:#403a35; --panel-soft:#4b443d; --bg:#221d19; --bg-2:#2b2520; --bg-3:#332c25; --line:rgba(255,220,118,.16); --line-strong:rgba(255,220,118,.24); --text:#fff8eb; --muted:#e8d8b6; --muted-2:#fffaf2; --button-text:#27211a;
}
html[data-style-preset="semanasanta"] {
  --primary:#8a58c8; --accent:#d6b15d; --accent-2:#eed9a1; --panel:#241d32; --panel-strong:#2d2440; --panel-soft:#3a3050; --bg:#181322; --bg-2:#1e1830; --bg-3:#251f39; --line:rgba(228,208,152,.16); --line-strong:rgba(228,208,152,.26); --text:#fbf8ff; --muted:#d7caea; --muted-2:#ffffff; --button-text:#1f1730;
}
html[data-style-preset="carnaval"] {
  --primary:#f36ca6; --accent:#44c9c1; --accent-2:#ffd451; --panel:#2a2140; --panel-strong:#342a4b; --panel-soft:#453761; --bg:#1a1427; --bg-2:#211934; --bg-3:#292040; --line:rgba(255,255,255,.14); --line-strong:rgba(255,255,255,.24); --text:#fff8ff; --muted:#e6dbf1; --muted-2:#ffffff; --button-text:#271b3d;
}

/* settings page */
.style-settings-link { text-decoration:none; }
.style-settings-grid { display:grid; grid-template-columns: minmax(300px, 420px) minmax(0, 1fr); gap: 24px; align-items:start; }
.settings-card-wide { grid-column: 1 / -1; }
.settings-stack { display:grid; gap: 18px; }
.preset-inline-actions { display:flex; flex-wrap:wrap; gap: 10px; }
.theme-preset-grid { display:grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 14px; }
.theme-preset-card { border:1px solid var(--line); border-radius: 18px; padding: 16px; color: var(--text); text-align:left; cursor:pointer; box-shadow:none; }
.theme-preset-card.is-active { border-color: var(--primary); box-shadow: 0 0 0 2px color-mix(in srgb, var(--primary) 16%, transparent); }
.preset-swatch { display:block; height: 56px; border-radius: 14px; margin-bottom: 12px; border:1px solid rgba(255,255,255,.08); }
.preset-swatch-default { background:#28304f; }
.preset-swatch-mono-dark { background:#232730; }
.preset-swatch-mono-light { background:#f4f5f7; }
.preset-swatch-halloween { background:#342123; }
.preset-swatch-navidad { background:#273945; }
.preset-swatch-verano { background:#403a35; }
.preset-swatch-semanasanta { background:#2d2440; }
.preset-swatch-carnaval { background:#342a4b; }
.style-preview-wrap { display:block; }
.style-preview-card { padding: 22px; border:1px solid var(--line); border-radius: 22px; background: var(--panel-soft); }
.preview-kpi-row { display:grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin-bottom: 14px; }
.preview-kpi, .preview-list-item { padding: 14px 16px; border-radius: 16px; border:1px solid var(--line); background: var(--panel-strong); }
.preview-kpi span { display:block; color: var(--muted); font-size:.85rem; margin-bottom:6px; }
.preview-action-row { display:flex; flex-wrap:wrap; gap: 10px; margin-bottom: 14px; }
.preview-list { display:grid; gap: 10px; }

/* responsive repair */
.dashboard-main-grid, .tests-layout, .admin-actions-layout { display:grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 18px; }
.dashboard-main-grid > .span-12 { grid-column: span 12; }
.dashboard-main-grid > .span-5 { grid-column: span 5; }
.dashboard-main-grid > .span-4 { grid-column: span 4; }
.dashboard-main-grid > .span-3 { grid-column: span 3; }
.dashboard-main-grid > .card { min-width: 0; }
.stat-grid.stat-grid-six { display:grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 16px; }
.admin-kpi-grid { display:grid; grid-template-columns: repeat(4, minmax(180px, 1fr)); gap: 16px; }
.admin-actions-layout { grid-template-columns: repeat(2, minmax(280px, 420px)); }
.tests-layout { grid-template-columns: repeat(2, minmax(320px, 1fr)); }
.test-summary-grid, .result-metrics-grid { display:grid; grid-template-columns: repeat(4, minmax(180px, 1fr)); gap: 16px; }
.study-plan-header-grid, .study-plan-stats-grid { display:grid; grid-template-columns: repeat(3, minmax(180px, 1fr)); gap: 16px; }
@media (max-width: 1400px) {
  .stat-grid.stat-grid-six { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .dashboard-main-grid > .span-5, .dashboard-main-grid > .span-4, .dashboard-main-grid > .span-3 { grid-column: span 6; }
}
@media (max-width: 1100px) {
  .dashboard-main-grid, .tests-layout, .admin-actions-layout, .style-settings-grid { grid-template-columns: 1fr; }
  .dashboard-main-grid > .span-12, .dashboard-main-grid > .span-5, .dashboard-main-grid > .span-4, .dashboard-main-grid > .span-3 { grid-column: auto; }
  .stat-grid.stat-grid-six { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .admin-kpi-grid, .test-summary-grid, .result-metrics-grid, .study-plan-header-grid, .study-plan-stats-grid, .preview-kpi-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 720px) {
  .theme-preset-grid, .admin-kpi-grid, .test-summary-grid, .result-metrics-grid, .study-plan-header-grid, .study-plan-stats-grid, .preview-kpi-row, .stat-grid.stat-grid-six, .dashboard-grid-2, .dashboard-grid-3, .dashboard-grid-4 { grid-template-columns: 1fr; }
}

/* ===== Premium accessible flat theming override ===== */
html {
  font-size: var(--user-font-scale, 100%);
}

:root,
html[data-theme="dark"] {
  --bg: #131722;
  --bg-2: #171d2b;
  --bg-3: #1c2335;
  --panel: #20283b;
  --panel-strong: #263049;
  --panel-soft: #313c57;
  --line: rgba(255,255,255,.10);
  --line-strong: rgba(255,255,255,.18);
  --text: #f3f6fb;
  --muted: #c6d0e2;
  --muted-2: #e8eef8;
  --button-text: #0d1423;
}

html[data-theme="light"] {
  --bg: #f2f5f9;
  --bg-2: #eef2f7;
  --bg-3: #e8edf5;
  --panel: #ffffff;
  --panel-strong: #ffffff;
  --panel-soft: #eef3f9;
  --line: rgba(27,42,65,.12);
  --line-strong: rgba(27,42,65,.22);
  --text: #1d2a40;
  --muted: #4e5f79;
  --muted-2: #25354d;
  --button-text: #ffffff;
}

html[data-style-preset="default"] {
  --primary: #4f7cff;
  --accent: #1db5a4;
  --accent-2: #dca34d;
  --success: #2f8f5b;
  --danger: #c94e5c;
  --warning: #b9811d;
}
html[data-style-preset="mono-dark"] {
  --bg: #111317;
  --bg-2: #171b21;
  --bg-3: #1c2129;
  --panel: #1d2128;
  --panel-strong: #242a33;
  --panel-soft: #2d3440;
  --line: rgba(255,255,255,.11);
  --line-strong: rgba(255,255,255,.18);
  --text: #f4f7fb;
  --muted: #c5ced9;
  --muted-2: #ffffff;
  --primary: #d8dde7;
  --accent: #9aa5b5;
  --accent-2: #6d7482;
  --button-text: #111317;
}
html[data-style-preset="mono-light"] {
  --bg: #f5f6f8;
  --bg-2: #eff2f6;
  --bg-3: #e8edf2;
  --panel: #ffffff;
  --panel-strong: #ffffff;
  --panel-soft: #edf1f6;
  --line: rgba(22,30,46,.12);
  --line-strong: rgba(22,30,46,.20);
  --text: #182334;
  --muted: #4c5b71;
  --muted-2: #182334;
  --primary: #1f2b3d;
  --accent: #5c6778;
  --accent-2: #8d95a4;
  --button-text: #ffffff;
}
html[data-style-preset="halloween"] {
  --bg: #1d1210;
  --bg-2: #231614;
  --bg-3: #2b1b18;
  --panel: #2c1d1a;
  --panel-strong: #35231f;
  --panel-soft: #412c26;
  --line: rgba(255,195,122,.14);
  --line-strong: rgba(255,195,122,.24);
  --text: #fff2e9;
  --muted: #f2c8b0;
  --muted-2: #fff9f4;
  --primary: #f08a24;
  --accent: #cb4a2f;
  --accent-2: #f0bf54;
  --button-text: #2c160c;
}
html[data-style-preset="navidad"] {
  --bg: #16252f;
  --bg-2: #1a2d39;
  --bg-3: #203745;
  --panel: #223947;
  --panel-strong: #284352;
  --panel-soft: #325163;
  --line: rgba(226,238,247,.16);
  --line-strong: rgba(226,238,247,.24);
  --text: #f8fcff;
  --muted: #d1deea;
  --muted-2: #ffffff;
  --primary: #d94a55;
  --accent: #4a8be0;
  --accent-2: #d6e4f4;
  --button-text: #ffffff;
}
html[data-style-preset="verano"] {
  --bg: #221f1a;
  --bg-2: #2a2620;
  --bg-3: #332f27;
  --panel: #3a362f;
  --panel-strong: #443f37;
  --panel-soft: #524b41;
  --line: rgba(255,224,140,.16);
  --line-strong: rgba(255,224,140,.24);
  --text: #fff9ef;
  --muted: #eddcb9;
  --muted-2: #fffdf8;
  --primary: #efc23f;
  --accent: #1f1f1f;
  --accent-2: #ffd86e;
  --button-text: #1f1a11;
}
html[data-style-preset="semanasanta"] {
  --bg: #1d1728;
  --bg-2: #241d33;
  --bg-3: #2c2440;
  --panel: #2d2541;
  --panel-strong: #372e4d;
  --panel-soft: #473c61;
  --line: rgba(228,204,144,.16);
  --line-strong: rgba(228,204,144,.26);
  --text: #fbf8ff;
  --muted: #e0d5ec;
  --muted-2: #ffffff;
  --primary: #8b5cf0;
  --accent: #d4af37;
  --accent-2: #eddcb1;
  --button-text: #24182f;
}
html[data-style-preset="carnaval"] {
  --bg: #21192f;
  --bg-2: #2a2140;
  --bg-3: #342952;
  --panel: #342952;
  --panel-strong: #40305f;
  --panel-soft: #523f79;
  --line: rgba(255,255,255,.15);
  --line-strong: rgba(255,255,255,.24);
  --text: #fff9ff;
  --muted: #ecdef1;
  --muted-2: #ffffff;
  --primary: #f05a9f;
  --accent: #21b8ae;
  --accent-2: #f0c93d;
  --button-text: #26163d;
}

body,
.app-sidebar,
.app-topbar,
.auth-shell,
.sidebar-brand,
.sidebar-link,
.topbar-user-pill,
.theme-toggle,
.topbar-chip,
.card,
.auth-card,
.block-card,
.topic-card,
.plan-item,
.test-question-card,
.test-review-card,
.modal-panel,
.admin-form-card,
.content-card,
.premium-card,
.stat-card,
.panel-card,
.kpi-card,
.empty-state,
.content-grid > *,
.dashboard-main-grid > *,
.study-plan-stats-grid > *,
.study-plan-header-grid > * {
  background-image: none !important;
}

body {
  background: var(--bg) !important;
  color: var(--text);
}

.app-sidebar {
  background-color: var(--bg-2) !important;
  border-right-color: var(--line);
  box-shadow: none;
}
html[data-theme="light"] .app-sidebar {
  background-color: var(--panel-soft) !important;
}
.app-topbar {
  background: var(--bg) !important;
  border-bottom: 1px solid var(--line);
}
.sidebar-brand,
.topbar-user-pill,
.theme-toggle,
.sidebar-link,
.topbar-chip,
.carousel-nav,
.icon-btn,
.user-mini-card,
.auth-card,
.card,
.empty-state,
.block-card,
.topic-card,
.plan-item,
.test-question-card,
.test-review-card,
.modal-panel,
.admin-form-card,
.content-card,
.premium-card,
.panel-card,
.kpi-card,
.preview-kpi,
.preview-list-item,
.style-preview-card,
.theme-preset-card {
  background-color: var(--panel-strong) !important;
  color: var(--text) !important;
  border-color: var(--line) !important;
  box-shadow: none !important;
}

.sidebar-link:hover,
.sidebar-link.is-active,
.topbar-chip:hover,
.topbar-chip.is-active,
.theme-preset-card.is-active,
.preview-list-item:hover {
  background: var(--panel-soft) !important;
  color: var(--text) !important;
  border-color: var(--line-strong) !important;
}

.brand-mark,
.sidebar-link-dot,
.block-dot,
.progress-bar,
.badge-primary,
.kpi-icon,
.tag-primary,
.metric-icon {
  background: var(--primary) !important;
  color: var(--button-text) !important;
}

.btn,
.btn-primary,
.btn-secondary,
.btn-ghost,
button,
input[type="button"],
input[type="submit"] {
  background-image: none !important;
}
.btn-primary {
  background: var(--primary) !important;
  color: var(--button-text) !important;
  border-color: transparent !important;
}
.btn-secondary {
  background: var(--accent) !important;
  color: var(--button-text) !important;
  border-color: transparent !important;
}
.btn-ghost,
.carousel-nav,
.icon-btn,
.topbar-chip,
.theme-toggle,
.sidebar-link {
  background: var(--panel-soft) !important;
  color: var(--text) !important;
}
.btn:hover,
.btn-primary:hover,
.btn-secondary:hover,
.btn-ghost:hover,
button:hover {
  filter: brightness(1.04);
}

input,
select,
textarea,
.field input,
.field select,
.field textarea,
.search-input,
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="date"],
textarea,
select {
  background: var(--panel-soft) !important;
  color: var(--text) !important;
  border-color: var(--line) !important;
}
input::placeholder,
textarea::placeholder {
  color: var(--muted) !important;
  opacity: 1;
}
select option,
optgroup {
  background: var(--panel-strong) !important;
  color: var(--text) !important;
}

p, span, small, li, dt, dd, td, th, label, .page-subtitle, .page-header p, .dashboard-header p {
  color: inherit;
}
.muted,
.page-subtitle,
.page-header p,
.dashboard-header p,
.auth-brand p,
.sidebar-brand span,
.user-mini-card span,
.topbar-user-pill span,
.preview-kpi span,
.field label small,
small,
.text-muted,
.table-muted,
.table-subtle {
  color: var(--muted) !important;
}
strong, h1, h2, h3, h4, h5, h6, .eyebrow, .field label {
  color: var(--text) !important;
}

.alert-success {
  background: color-mix(in srgb, var(--success) 18%, var(--panel-strong)) !important;
  border-color: color-mix(in srgb, var(--success) 42%, transparent) !important;
}
.alert-danger {
  background: color-mix(in srgb, var(--danger) 18%, var(--panel-strong)) !important;
  border-color: color-mix(in srgb, var(--danger) 42%, transparent) !important;
}

.badge,
.chip,
.pill,
.status-badge,
.inline-chip,
.meta-chip,
.topic-chip,
.plan-chip,
.test-pill,
.schedule-pill {
  background: var(--panel-soft) !important;
  color: var(--text) !important;
  border: 1px solid var(--line) !important;
}
.badge-success,
.status-success,
.pill-success {
  background: color-mix(in srgb, var(--success) 22%, var(--panel-strong)) !important;
  color: var(--text) !important;
}
.badge-danger,
.status-danger,
.pill-danger {
  background: color-mix(in srgb, var(--danger) 22%, var(--panel-strong)) !important;
  color: var(--text) !important;
}
.badge-warning,
.status-warning,
.pill-warning {
  background: color-mix(in srgb, var(--warning) 22%, var(--panel-strong)) !important;
  color: var(--text) !important;
}

.table-wrap,
table,
.table,
.table-card {
  background: var(--panel-strong) !important;
  color: var(--text) !important;
}
.table thead th,
thead th {
  background: var(--panel-soft) !important;
  color: var(--text) !important;
  border-bottom-color: var(--line) !important;
}
.table tbody tr,
tbody tr {
  background: transparent !important;
}
.table td,
.table th,
td,
th {
  border-color: var(--line) !important;
  color: var(--text) !important;
}
.table tbody tr:hover,
tbody tr:hover {
  background: color-mix(in srgb, var(--panel-soft) 70%, transparent) !important;
}

html[data-theme="light"] body {
  background: var(--bg) !important;
}
html[data-theme="light"] .page-shell,
html[data-theme="light"] .app-main,
html[data-theme="light"] .app-content {
  color: var(--text);
}

/* Better contrast for embedded areas */
.pdf-frame,
.pdf-reader-pane,
.pdf-viewer-wrap,
.document-viewer-surface,
.modal-pdf-pane,
.modal-notes-pane,
.document-reader-layout > *,
.pdf-modal-layout > * {
  background: var(--panel-strong) !important;
  color: var(--text) !important;
  border-color: var(--line) !important;
}

/* settings page */
.theme-preset-card small {
  color: var(--muted) !important;
}
.theme-preset-card.is-active {
  outline: 2px solid color-mix(in srgb, var(--primary) 56%, transparent);
  outline-offset: 1px;
}

/* contrast-safe links */
a,
a:visited {
  color: var(--text);
}
a:hover {
  color: var(--primary);
}


/* ===== Fix final style settings + contrast + global font scale ===== */
html { font-size: 100%; }
body { font-size: 1rem; line-height: 1.55; }

.app-content { padding: 1.5rem 1.5rem 2.5rem; }
.page-shell { width: min(1400px, calc(100% - 2.5rem)); margin-inline: auto; padding-inline: 0.25rem; }
.page-header, .page-header-row, .dashboard-header, .compact-header { gap: 1rem; }
.page-header > div:first-child, .page-header-row > div:first-child, .dashboard-header > div:first-child { min-width: 0; }
.page-header h1, .page-header-row h1, .dashboard-header h1 { font-size: 2.25rem !important; line-height: 1.15; margin-bottom: 0.5rem; }
.page-subtitle, .page-header p, .page-header-row p, .dashboard-header p, p, li, td, th, label, .field span, .field small, .stat-meta, .preview-list-item, .status-pill, .chip, .badge { font-size: 1rem; }
small { font-size: 0.875rem; }

.topbar-title-wrap h1 { font-size: clamp(1.9rem, 2vw, 2.45rem) !important; }
.topbar-title-wrap .eyebrow { font-size: 0.78rem; }
.topbar-actions { gap: 0.75rem; }
.topbar-chip, .sidebar-link, .icon-pill-btn, .theme-toggle, .topbar-user-pill, .btn { font-size: 1rem; }
.icon-pill-btn, .theme-toggle, .topbar-user-pill { min-height: 3rem; padding: 0.7rem 0.95rem; }
.icon-pill-btn .theme-toggle-label, .theme-toggle .theme-toggle-label { font-size: 0.98rem; font-weight: 700; letter-spacing: 0; }
.icon-pill-btn, .icon-pill-btn:visited, .icon-pill-btn:hover, .icon-pill-btn:focus, .icon-pill-btn .theme-toggle-label, .icon-pill-btn .icon-pill-symbol { color: var(--text) !important; opacity: 1 !important; text-decoration: none; }
.icon-pill-btn:disabled { opacity: 0.78 !important; color: var(--muted-2) !important; border-color: var(--line-strong) !important; }
html[data-theme="light"] .icon-pill-btn,
html[data-theme="light"] .theme-toggle,
html[data-theme="light"] .topbar-user-pill,
html[data-theme="light"] .topbar-chip { background: var(--panel) !important; color: var(--text) !important; border-color: var(--line-strong) !important; }
html[data-theme="light"] .icon-pill-btn .theme-toggle-label,
html[data-theme="light"] .icon-pill-btn .icon-pill-symbol,
html[data-theme="light"] .theme-toggle .theme-toggle-label,
html[data-theme="light"] .topbar-chip,
html[data-theme="light"] .topbar-user-pill strong,
html[data-theme="light"] .topbar-user-pill span { color: var(--text) !important; opacity: 1 !important; }

.panel-card, .card, .settings-card, .style-preview-card, .theme-preset-card, .preview-kpi, .preview-list-item { padding: 1.35rem !important; }
.style-settings-grid { display: grid !important; grid-template-columns: minmax(320px, 480px) minmax(0, 1fr) !important; gap: 1.5rem !important; align-items: start; }
.settings-card { overflow: hidden; }
.settings-card .field, .settings-stack { gap: 1rem; }
.settings-card .field > span, .settings-card .field label span { display:block; margin-bottom: 0.35rem; font-weight: 700; }
.settings-card-wide { grid-column: 1 / -1; }
.style-preview-wrap, .theme-preset-grid { margin-top: 0.25rem; }
.theme-preset-card strong { display:block; font-size: 1rem; margin: 0.35rem 0; }
.theme-preset-card small { display:block; color: var(--muted); line-height: 1.45; }
#style-font-scale-label { display:block; margin-top: 0.4rem; }
input[type="range"] { width: 100%; }

input, select, textarea, button { font: inherit; }
select, textarea, input[type="text"], input[type="email"], input[type="password"], input[type="number"], input[type="date"], .search-input { font-size: 1rem !important; }

.preview-kpi-row { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.preview-kpi strong { font-size: 1.25rem; }

@media (max-width: 1100px) {
  .style-settings-grid { grid-template-columns: 1fr !important; }
}
@media (max-width: 820px) {
  .app-content { padding: 1rem 0.9rem 2rem; }
  .page-shell { width: min(100%, calc(100% - 1rem)); padding-inline: 0; }
  .page-header h1, .page-header-row h1, .dashboard-header h1 { font-size: 1.9rem !important; }
  .topbar-actions { overflow-x: auto; padding-bottom: 0.2rem; }
}


.user-chip-picker {
  max-height: 260px;
  overflow: auto;
}

[data-assignment-users-block] {
  margin-top: 14px;
}

@media (max-width: 980px) {
  .study-plan-kpi-grid {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  }
}
@media (min-width: 1100px) {
  .app-content {
    padding: 16px 18px 32px;
  }

  .topbar-actions {
    gap: 8px;
  }

  .topbar-user-pill strong,
  .theme-toggle-label,
  .topbar-chip {
    font-size: 14px;
  }

  .topbar-user-pill span {
    font-size: 11px;
  }
}
/* === PDF notes by page fixes === */
.pdf-note-toolbar {
  display: grid;
  grid-template-columns: 48px minmax(80px, 1fr) 72px 48px;
  gap: .6rem;
  align-items: center;
  margin: .4rem 0 .75rem;
}

.pdf-page-input {
  width: 100%;
  min-width: 0;
  height: 44px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
  color: inherit;
  padding: 0 .9rem;
}

.pdf-note-help {
  margin: 0 0 .75rem;
  opacity: .86;
  font-size: .95rem;
}

.pdf-note-pages {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-bottom: .85rem;
}

.pdf-note-page-chip,
.pdf-note-pages-empty {
  border-radius: 999px;
  padding: .38rem .75rem;
  font-size: .88rem;
}

.pdf-note-page-chip {
  border: 1px solid rgba(96, 140, 255, .35);
  background: rgba(96, 140, 255, .14);
  color: #dfe8ff;
  cursor: pointer;
}

.pdf-note-pages-empty {
  border: 1px dashed rgba(255,255,255,.12);
  color: rgba(255,255,255,.72);
}

.modal-notes-pane {
  min-width: 0;
  overflow-x: hidden;
}

.modal-notes-pane .notes-textarea,
.document-notes .notes-textarea {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

@media (max-width: 680px) {
  .pdf-note-toolbar {
    grid-template-columns: 44px 1fr 64px 44px;
  }
}


/* === Countdown, install and dashboard guide === */
.topbar-countdown-pill {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  min-height: 3rem;
  padding: .7rem .95rem;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: linear-gradient(180deg, rgba(86, 120, 255, .16), rgba(255,255,255,.04));
  color: var(--text);
  white-space: nowrap;
}

#install-app-btn.is-ready {
  box-shadow: 0 0 0 1px rgba(93, 135, 255, .45), 0 12px 28px rgba(93, 135, 255, .16);
}

.dashboard-guide-card {
  padding: 1.2rem 1.25rem;
}
.dashboard-guide-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}
.dashboard-guide-panel {
  border: 1px solid var(--line);
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.02));
  padding: 1rem 1.05rem;
}
.dashboard-guide-panel h3 {
  margin: 0 0 .55rem;
  font-size: 1.02rem;
}
.dashboard-guide-panel p {
  margin: 0;
  color: var(--muted);
}
.dashboard-guide-list {
  margin: 0 0 .7rem 0;
  padding-left: 1.15rem;
}
.dashboard-guide-list li { margin-bottom: .38rem; }

.dashboard-shell .dashboard-main-grid {
  align-items: start;
  gap: 1.15rem;
}
.dashboard-shell .stat-grid {
  gap: .9rem;
}
.dashboard-shell .card {
  border-radius: 24px;
}
.dashboard-shell .span-3,
.dashboard-shell .span-4,
.dashboard-shell .span-5,
.dashboard-shell .span-12 { min-width: 0; }
.dashboard-shell .recent-sessions {
  display: grid;
  gap: .8rem;
}

.audio-markers-panel {
  margin-top: 1rem;
  padding: 1rem 1rem 1.1rem;
  border-radius: 20px;
  border: 1px solid rgba(255,255,255,.08);
  background: linear-gradient(180deg, rgba(255,255,255,.025), rgba(255,255,255,.015));
}
.audio-marker-controls {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: .75rem;
  align-items: center;
}
.audio-marker-chips {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: .7rem;
  margin-top: .9rem;
}
.audio-marker-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  padding: .8rem .9rem;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,.08);
  background: rgba(255,255,255,.03);
}
.audio-marker-chip {
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: .18rem;
  padding: .15rem 0;
  background: transparent !important;
  border: 0 !important;
  color: var(--text) !important;
  box-shadow: none !important;
}
.audio-marker-chip span,
.audio-marker-chip small {
  color: var(--text) !important;
}
.audio-marker-chip span {
  font-weight: 800;
  line-height: 1.15;
}
.audio-marker-chip small {
  opacity: .72;
}
.audio-marker-card .audio-marker-actions {
  display: flex;
  gap: .55rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.audio-marker-card .btn-xs {
  min-width: 88px;
}

.ui-toast-stack {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 1500;
  display: grid;
  gap: .6rem;
}
.ui-toast {
  min-width: 240px;
  max-width: 320px;
  padding: .85rem 1rem;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.08);
  background: rgba(17, 24, 39, .92);
  color: #fff;
  box-shadow: 0 14px 34px rgba(0,0,0,.28);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity .22s ease, transform .22s ease;
}
.ui-toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.ui-toast.is-success { border-color: rgba(74, 222, 128, .35); }
.ui-toast.is-error { border-color: rgba(248, 113, 113, .35); }

@media (max-width: 1100px) {
  .dashboard-guide-grid { grid-template-columns: 1fr; }
}
@media (max-width: 820px) {
  .audio-marker-controls { grid-template-columns: 1fr; }
  .audio-marker-card {
    flex-direction: column;
    align-items: stretch;
  }
  .audio-marker-card .audio-marker-actions {
    justify-content: stretch;
  }
  .audio-marker-card .btn-xs {
    flex: 1 1 0;
  }
  .topbar-countdown-pill { width: 100%; justify-content: center; }
}

/* ===== Rewrite clean pass: dashboard + audio markers ===== */
.dashboard-shell .stat-grid.stat-grid-six {
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 1rem;
}
.dashboard-shell .stat-grid.stat-grid-six .card {
  min-height: 126px;
  display: grid;
  align-content: start;
  gap: .45rem;
}
.dashboard-shell .card {
  padding: 1.25rem;
  background: linear-gradient(180deg, rgba(34,43,67,.96), rgba(38,49,77,.93));
}
.dashboard-shell .dashboard-main-grid {
  gap: 1rem;
}
.dashboard-shell .dashboard-main-grid > .span-5,
.dashboard-shell .dashboard-main-grid > .span-4,
.dashboard-shell .dashboard-main-grid > .span-3,
.dashboard-shell .dashboard-main-grid > .span-12 {
  display: grid;
  align-content: start;
  gap: .85rem;
}
.dashboard-shell .card h2,
.dashboard-shell .section-head h2 {
  margin: 0;
  line-height: 1.15;
}
.dashboard-shell .recent-session-item,
.dashboard-shell .leaderboard-mini-item,
.dashboard-shell .dashboard-status-pill,
.dashboard-shell .dashboard-guide-panel {
  border-radius: 18px;
}
.dashboard-shell .card-actions-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .75rem;
}
.dashboard-shell .card-actions-grid.single-action {
  grid-template-columns: 1fr;
}
.dashboard-shell .card-actions-grid .btn,
.dashboard-shell .card-actions .btn {
  min-height: 46px;
  justify-content: center;
}
.dashboard-shell .dashboard-activity-grid {
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
}
.dashboard-shell .recent-session-item {
  min-height: 92px;
}

.audio-markers-panel {
  margin-top: 1.1rem;
  padding: 1rem;
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.015));
  border: 1px solid rgba(255,255,255,.08);
}
.audio-marker-create {
  display: grid;
  grid-template-columns: minmax(0,1fr) auto;
  gap: .8rem;
  align-items: center;
  margin-bottom: .9rem;
}
.audio-marker-input {
  min-height: 52px;
}
.audio-marker-toolbar {
  display: grid;
  grid-template-columns: minmax(0,1fr) auto;
  gap: .8rem;
  align-items: end;
}
.audio-marker-select-wrap {
  display: grid;
  gap: .45rem;
}
.audio-marker-select-wrap span,
.audio-marker-help {
  color: var(--muted);
  font-size: .95rem;
}
.audio-markers-track {
  position: relative;
  height: 8px;
  margin: 1rem 0 1.1rem;
  border-radius: 999px;
  background: rgba(255,255,255,.07);
  overflow: visible;
}
.audio-markers-track .audio-marker-point,
.audio-markers-track [data-marker-point] {
  position: absolute;
  top: 50%;
  width: 14px;
  height: 14px;
  border-radius: 999px;
  transform: translate(-50%, -50%);
  background: linear-gradient(180deg, rgba(120,140,255,.98), rgba(88,112,240,.98));
  box-shadow: 0 0 0 4px rgba(104,124,255,.12);
  border: 2px solid rgba(255,255,255,.82);
}
.audio-marker-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: .85rem;
}
.audio-marker-card {
  min-width: 0;
  display: grid;
  gap: .85rem;
  padding: 1rem;
  border-radius: 20px;
  background: rgba(255,255,255,.035);
  border: 1px solid rgba(255,255,255,.08);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.03);
}
.audio-marker-chip {
  width: 100%;
  min-height: 86px;
  padding: .9rem;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.08) !important;
  background: rgba(14,22,40,.18) !important;
  display: grid;
  gap: .4rem;
  align-content: center;
  text-align: left;
}
.audio-marker-chip:hover {
  transform: translateY(-1px);
  background: rgba(14,22,40,.28) !important;
}
.audio-marker-chip span {
  font-size: 1.02rem;
  font-weight: 800;
  white-space: normal;
  line-height: 1.2;
}
.audio-marker-chip small {
  font-size: .92rem;
  color: var(--muted) !important;
}
.audio-marker-actions {
  display: grid !important;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .7rem;
}
.audio-marker-actions .btn {
  min-height: 42px;
  justify-content: center;
}
.audio-marker-empty {
  grid-column: 1 / -1;
  padding: 1rem 1.1rem;
  border-radius: 18px;
  border: 1px dashed rgba(255,255,255,.12);
  color: var(--muted);
  text-align: center;
}

@media (max-width: 1080px) {
  .dashboard-shell .stat-grid.stat-grid-six {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
@media (max-width: 820px) {
  .dashboard-shell .stat-grid.stat-grid-six,
  .dashboard-shell .card-actions-grid,
  .audio-marker-create,
  .audio-marker-toolbar,
  .audio-marker-actions {
    grid-template-columns: 1fr;
  }
  .audio-marker-grid {
    grid-template-columns: 1fr;
  }
}