/* KZALI study-app — uses the same warm scholarly palette as study-materials/ */

:root {
  --bg: #faf6ee;
  --paper: #ffffff;
  --ink: #2a2530;
  --ink-soft: #5b5566;
  --ink-faint: #8b8395;
  --rule: #e8e0d0;
  --accent: #6b1d2a;
  --accent-soft: #b48a92;
  --warm: #c9954b;
  --warm-soft: #f5e4c2;
  --cool: #2f4858;
  --cool-soft: #d6e1e7;
  --green: #436b3f;
  --green-soft: #d5e3d2;
  --amber: #b87a14;
  --red: #b04330;
  --shadow-sm: 0 1px 2px rgba(40,30,20,.05);
  --shadow: 0 1px 2px rgba(40,30,20,.04), 0 8px 24px rgba(40,30,20,.06);
  --shadow-lg: 0 4px 8px rgba(40,30,20,.06), 0 24px 48px rgba(40,30,20,.10);
  --radius: 12px;
  --radius-lg: 18px;
  --pad: clamp(14px, 4vw, 28px);
  --serif: 'Iowan Old Style', 'Palatino Linotype', Palatino, Georgia, serif;
  --sans: -apple-system, 'Helvetica Neue', 'Inter', system-ui, sans-serif;
}

[data-theme="dark"] {
  --bg: #1a161e;
  --paper: #221d27;
  --ink: #ece6f0;
  --ink-soft: #b3acba;
  --ink-faint: #6e6877;
  --rule: #322b39;
  --accent: #d68192;
  --accent-soft: #5b3038;
  --warm: #e2b066;
  --warm-soft: #3a2e1d;
  --cool: #8da9b8;
  --cool-soft: #243440;
  --green: #95c190;
  --green-soft: #2a3a28;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.3);
  --shadow: 0 1px 2px rgba(0,0,0,.2), 0 8px 24px rgba(0,0,0,.3);
  --shadow-lg: 0 4px 8px rgba(0,0,0,.3), 0 24px 48px rgba(0,0,0,.4);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.55;
  min-height: 100vh;
  min-height: 100dvh;
  -webkit-font-smoothing: antialiased;
  overscroll-behavior-y: contain;
}

button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
input, select { font: inherit; color: inherit; }
kbd {
  font-family: ui-monospace, SFMono-Regular, monospace;
  font-size: 11px;
  padding: 2px 5px;
  border: 1px solid var(--rule);
  border-bottom-width: 2px;
  border-radius: 4px;
  background: var(--paper);
  color: var(--ink-soft);
}
.hidden { display: none !important; }
.muted { color: var(--ink-soft); }

/* ---------- TOPBAR ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 10px var(--pad);
  padding-top: max(10px, env(safe-area-inset-top));
  padding-left: max(var(--pad), env(safe-area-inset-left));
  padding-right: max(var(--pad), env(safe-area-inset-right));
  background: rgba(250, 246, 238, 0.92);
  backdrop-filter: saturate(150%) blur(12px);
  -webkit-backdrop-filter: saturate(150%) blur(12px);
  border-bottom: 1px solid var(--rule);
}
[data-theme="dark"] .topbar { background: rgba(26, 22, 30, 0.85); }
.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--sans);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: .04em;
}
.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: var(--accent);
  color: white;
  border-radius: 6px;
  font-family: var(--serif);
  font-style: italic;
  font-size: 18px;
}
@media (max-width: 480px) { .brand-name { display: none; } }
.tabs {
  display: flex;
  gap: 2px;
  margin-left: auto;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 999px;
  padding: 3px;
  font-family: var(--sans);
}
.tab {
  padding: 10px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-soft);
  transition: background .15s, color .15s;
  touch-action: manipulation;
  min-height: 38px;
}
.tab:hover { color: var(--ink); }
.tab.active {
  background: var(--accent);
  color: white;
}
.topbar-right { display: flex; align-items: center; gap: 6px; }
.icon-btn {
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  font-size: 18px;
  color: var(--ink-soft);
  transition: background .15s;
  touch-action: manipulation;
}
.icon-btn:hover { background: var(--paper); }

/* ---------- VIEW WRAPPER ---------- */
.view { padding: var(--pad) 0 80px; }
.wrap { max-width: 880px; margin: 0 auto; padding: 0 var(--pad); }

/* ---------- HOME ---------- */
.hero-card {
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: clamp(20px, 4vw, 32px);
  margin-bottom: 32px;
}
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 24px;
}
@media (max-width: 540px) {
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
}
.stat {
  text-align: center;
  padding: 10px 4px;
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--warm-soft) 0%, transparent 80%);
}
.stat-num {
  font-family: var(--serif);
  font-size: 36px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}
.stat-label {
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-top: 6px;
}

.cta {
  display: block;
  width: 100%;
  padding: 18px 24px;
  background: var(--accent);
  color: white;
  border-radius: var(--radius);
  font-family: var(--sans);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: .01em;
  transition: transform .1s, box-shadow .15s;
  box-shadow: var(--shadow-sm);
}
.cta:hover { box-shadow: var(--shadow); }
.cta:active { transform: scale(.985); }

.cta-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 12px;
}
@media (max-width: 540px) {
  .cta-row { grid-template-columns: 1fr; }
}
.order-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--rule);
  font-family: var(--sans);
}
.order-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--ink-faint);
  margin-right: 4px;
}
.order-chip { /* inherits .chip styles */ }
.cta-secondary {
  padding: 12px 14px;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 13px;
  color: var(--ink-soft);
  transition: all .15s;
}
.cta-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.section-title {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 28px 0 12px;
}

/* unit list */
.unit-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 10px;
}
.unit-row {
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 14px 16px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px 14px;
  align-items: center;
  transition: border-color .15s;
}
.unit-row:hover { border-color: var(--accent-soft); }
.unit-row .unit-name {
  font-weight: 600;
  font-size: 15px;
}
.unit-row .unit-stats {
  font-family: var(--sans);
  font-size: 12px;
  color: var(--ink-soft);
}
.unit-row .unit-bar {
  grid-column: 1 / -1;
  height: 6px;
  background: var(--rule);
  border-radius: 3px;
  overflow: hidden;
  display: flex;
}
.unit-row .unit-bar > span { display: block; height: 100%; }
.unit-row .bar-mature { background: var(--green); }
.unit-row .bar-learning { background: var(--warm); }
.unit-row .bar-due { background: var(--red); }
.unit-row .unit-cta {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--accent-soft);
  transition: all .15s;
}
.unit-row .unit-cta:hover {
  background: var(--accent);
  color: white;
}

/* filters */
.filter-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
@media (max-width: 720px) { .filter-row { grid-template-columns: 1fr; } }
fieldset {
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 14px 16px;
  background: var(--paper);
}
legend {
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 700;
  padding: 0 6px;
}
.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 8px 0;
}
.chip {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  min-height: 36px;
  border-radius: 999px;
  border: 1px solid var(--rule);
  background: var(--bg);
  font-family: var(--sans);
  font-size: 13px;
  color: var(--ink-soft);
  cursor: pointer;
  transition: all .12s;
  touch-action: manipulation;
}
.chip:hover { border-color: var(--accent-soft); }
.chip.on {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}
.filter-actions {
  display: flex;
  gap: 10px;
  font-family: var(--sans);
  font-size: 11px;
  color: var(--ink-soft);
}
.link-btn {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 6px 8px;
  font-family: var(--sans);
  font-size: 13px;
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--accent-soft);
  touch-action: manipulation;
}
.link-btn:hover { text-decoration-color: var(--accent); }

.footer-details {
  margin-top: 32px;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 12px 16px;
  font-family: var(--sans);
  font-size: 13px;
  color: var(--ink-soft);
}
.footer-details summary {
  cursor: pointer;
  font-weight: 600;
  letter-spacing: .04em;
}
.settings-body { padding-top: 12px; }
.settings-body p { margin: 8px 0; }
.security-note {
  margin: 14px 0;
  padding: 12px 14px;
  border-left: 3px solid var(--warm);
  background: var(--warm-soft);
  border-radius: 0 8px 8px 0;
  color: var(--ink);
}
.security-note p { margin: 4px 0; }
.security-note ul { margin: 6px 0 4px 18px; padding: 0; }
.security-note li { margin-bottom: 4px; }
.settings-body code {
  background: var(--bg);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: ui-monospace, monospace;
  font-size: 12px;
}
.danger-btn {
  font-family: var(--sans);
  font-size: 12px;
  padding: 6px 12px;
  border-radius: 6px;
  background: var(--paper);
  border: 1px solid var(--red);
  color: var(--red);
}
.danger-btn:hover { background: var(--red); color: white; }

/* ---------- REVIEW ---------- */
#view-review {
  padding-top: 14px;
}
.review-wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 var(--pad);
  display: flex;
  flex-direction: column;
  min-height: calc(100vh - 70px);
  min-height: calc(100dvh - 70px);
}

.review-progress {
  margin-bottom: 18px;
}
.progress-bar {
  height: 4px;
  background: var(--rule);
  border-radius: 2px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  background: var(--accent);
  width: 0%;
  transition: width .25s;
}
.progress-meta {
  display: flex;
  justify-content: space-between;
  margin-top: 6px;
  font-family: var(--sans);
  font-size: 11px;
  color: var(--ink-soft);
  letter-spacing: .04em;
  text-transform: uppercase;
}

.card-stage {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  padding: clamp(22px, 5vw, 40px);
  box-shadow: var(--shadow);
  position: relative;
}
.card-meta {
  display: flex;
  gap: 8px;
  margin-bottom: 14px;
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.card-tag {
  background: var(--warm-soft);
  color: var(--amber);
  padding: 3px 10px;
  border-radius: 999px;
  font-weight: 600;
}
.card-tag.muted {
  background: transparent;
  color: var(--ink-faint);
  border: 1px solid var(--rule);
}

.card-front, .card-back {
  font-family: var(--serif);
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: clamp(20px, 3.5vw, 28px);
  line-height: 1.45;
  padding: 18px 0;
  min-height: 180px;
}
.card-back {
  color: var(--ink);
  text-align: left;
  border-top: 1px dashed var(--rule);
  margin-top: 12px;
  padding-top: 22px;
  font-size: clamp(17px, 2.5vw, 21px);
  line-height: 1.6;
  display: block;
}
.card-back ul, .card-back ol { margin: 8px 0 8px 22px; }
.card-back em { color: var(--cool); font-style: italic; }
.card-back strong { color: var(--accent); }

.reveal-btn {
  font-family: var(--sans);
  display: block;
  margin: 18px auto 6px;
  padding: 14px 36px;
  background: var(--cool);
  color: white;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  text-align: center;
  line-height: 1.3;
}
.reveal-btn kbd { background: rgba(255,255,255,.15); border-color: rgba(255,255,255,.2); color: white; }
.reveal-btn:active { transform: scale(.98); }

.grade-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-top: 18px;
}
.grade-btn {
  position: relative;
  padding: 14px 8px;
  border-radius: var(--radius);
  font-family: var(--sans);
  font-weight: 600;
  font-size: 14px;
  color: white;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  min-height: 64px;
  transition: transform .08s, box-shadow .15s;
  box-shadow: var(--shadow-sm);
  touch-action: manipulation;
}
.grade-btn:hover { box-shadow: var(--shadow); }
.grade-btn:active { transform: scale(.97); }
.grade-1 { background: var(--red); }
.grade-2 { background: var(--amber); }
.grade-3 { background: var(--green); }
.grade-4 { background: var(--cool); }
.grade-shortcut {
  font-size: 11px;
  opacity: .8;
  font-weight: 500;
  letter-spacing: .04em;
}

.review-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-top: 22px;
  padding-bottom: 8px;
  font-family: var(--sans);
  font-size: 13px;
}

.review-empty {
  text-align: center;
  padding: 80px 0;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.review-empty h2 {
  font-family: var(--serif);
  font-size: 32px;
  color: var(--accent);
  margin-bottom: 12px;
}
.review-empty p { color: var(--ink-soft); margin-bottom: 24px; }
.review-empty .cta { max-width: 280px; }

/* ---------- BROWSE ---------- */
.browse-controls {
  display: flex;
  gap: 10px;
  margin-bottom: 18px;
}
.browse-controls input,
.browse-controls select {
  flex: 1;
  padding: 10px 14px;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 14px;
}
.browse-controls input { flex: 2; }
.browse-controls input:focus,
.browse-controls select:focus {
  outline: 2px solid var(--accent-soft);
  outline-offset: 1px;
  border-color: var(--accent);
}
.browse-results {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.browse-card {
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 14px 18px;
  transition: border-color .15s;
}
.browse-card:hover { border-color: var(--accent-soft); }
.browse-card-meta {
  display: flex;
  gap: 8px;
  margin-bottom: 6px;
  font-family: var(--sans);
  font-size: 11px;
  color: var(--ink-faint);
  letter-spacing: .06em;
  text-transform: uppercase;
}
.browse-card-front {
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 6px;
}
.browse-card-back {
  font-family: var(--serif);
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.5;
}
.browse-card-back ul, .browse-card-back ol { margin: 4px 0 4px 22px; }

/* ---------- LIBRARY ---------- */
.lib-intro {
  font-size: 15px;
  margin-bottom: 16px;
  max-width: 70ch;
}
.lib-controls {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 20px;
}
#lib-search {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  background: var(--paper);
  font-size: 16px;
}
#lib-search:focus { outline: 2px solid var(--accent-soft); outline-offset: 1px; }
.lib-tabs {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.lib-tab {
  padding: 10px 16px;
  min-height: 40px;
  border: 1px solid var(--rule);
  border-radius: 99px;
  background: var(--paper);
  font-size: 14px;
  color: var(--ink-soft);
  touch-action: manipulation;
}
.lib-tab.on {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}
.lib-tab:hover:not(.on) { border-color: var(--accent-soft); color: var(--ink); }

.library-body { display: flex; flex-direction: column; gap: 14px; }

.lib-section-title {
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 18px 0 6px;
}
.lib-section-title:first-child { margin-top: 0; }

.lib-unit-card {
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  overflow: hidden;
}
.lib-unit-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 16px;
  min-height: 52px;
  cursor: pointer;
  user-select: none;
  border-bottom: 1px solid transparent;
  transition: background-color .1s;
  touch-action: manipulation;
}
.lib-unit-head:hover { background: var(--bg); }
.lib-unit-card.open .lib-unit-head { border-bottom-color: var(--rule); }
.lib-unit-num {
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--accent);
  font-weight: 600;
  min-width: 26px;
}
.lib-unit-title {
  flex: 1;
  font-weight: 600;
  font-size: 17px;
}
.lib-unit-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--sans);
  font-size: 12px;
  color: var(--ink-faint);
  line-height: 1;
}
.lib-unit-badge > span { display: inline-flex; align-items: center; }
.lib-unit-badge-sep { color: var(--ink-faint); opacity: .6; }
.lib-unit-chevron {
  color: var(--ink-faint);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform .2s;
  flex-shrink: 0;
}
.lib-unit-chevron svg { display: block; }
.lib-unit-card.open .lib-unit-chevron { transform: rotate(90deg); }
.lib-unit-mywork-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--warm);
  font-weight: 600;
}
.lib-unit-mywork-badge svg { display: block; flex-shrink: 0; }
.lib-file-kind {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.lib-file-kind svg { color: var(--ink-faint); }
.icon-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.icon-link svg { display: block; }
.icon-link-label { display: inline; }
.lib-unit-files {
  display: none;
  padding: 6px 0;
}
.lib-unit-card.open .lib-unit-files { display: block; }

.lib-file {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  min-height: 48px;
  cursor: pointer;
  border-left: 3px solid transparent;
  text-decoration: none;
  color: var(--ink);
  transition: background-color .1s;
  touch-action: manipulation;
}
.lib-file:hover {
  background: var(--bg);
  border-left-color: var(--accent-soft);
}
.lib-file.is-my-work {
  background: linear-gradient(90deg, var(--warm-soft) 0, transparent 100%);
  border-left-color: var(--warm);
}
.lib-file.is-my-work:hover { background: linear-gradient(90deg, var(--warm-soft) 0, var(--bg) 100%); }
.lib-file-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  color: var(--cool);
}
.lib-file.is-my-work .lib-file-icon { color: var(--warm); }
.lib-file-label {
  flex: 1;
  font-size: 15px;
}
.lib-file-kind {
  font-family: var(--sans);
  font-size: 11px;
  color: var(--ink-faint);
  text-transform: uppercase;
  letter-spacing: .05em;
}

.lib-mywork-list, .lib-task-list, .lib-top-list {
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 6px 0;
}
.lib-empty {
  padding: 20px;
  text-align: center;
  color: var(--ink-faint);
  font-style: italic;
}

/* ---------- READER ---------- */
.reader-wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 var(--pad);
}
.reader-bar {
  position: sticky;
  top: 56px;
  z-index: 4;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 24px;
  flex-wrap: wrap;
  background: var(--bg);
  /* Mask anything that scrolls under the bar */
  margin-left: calc(var(--pad) * -1);
  margin-right: calc(var(--pad) * -1);
  padding-left: var(--pad);
  padding-right: var(--pad);
}
.reader-path {
  flex: 1;
  font-family: var(--sans);
  font-size: 12px;
  color: var(--ink-faint);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.prose {
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink);
}
.prose h1, .prose h2, .prose h3, .prose h4 {
  font-family: var(--sans);
  font-weight: 700;
  line-height: 1.25;
  color: var(--ink);
  margin: 1.6em 0 .5em;
}
.prose h1 { font-size: 1.7em; color: var(--accent); border-bottom: 2px solid var(--rule); padding-bottom: .3em; margin-top: 0; }
.prose h2 { font-size: 1.35em; }
.prose h3 { font-size: 1.15em; color: var(--cool); }
.prose h4 { font-size: 1.02em; color: var(--ink-soft); text-transform: uppercase; letter-spacing: .04em; font-size: .9em; }
.prose p { margin: 0 0 1em; }
.prose ul, .prose ol { margin: 0 0 1em 1.4em; padding: 0; }
.prose li { margin-bottom: .35em; }
.prose li > ul, .prose li > ol { margin-top: .35em; margin-bottom: 0; }
.prose blockquote {
  margin: 1em 0;
  padding: .5em 1.1em;
  border-left: 4px solid var(--accent-soft);
  background: var(--bg);
  color: var(--ink-soft);
  font-style: italic;
  border-radius: 0 8px 8px 0;
}
.prose blockquote p:last-child { margin-bottom: 0; }
.prose a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }
.prose a:hover { text-decoration-thickness: 2px; }
.prose code {
  font-family: ui-monospace, SFMono-Regular, monospace;
  font-size: .88em;
  background: var(--warm-soft);
  padding: 1px 5px;
  border-radius: 3px;
  color: var(--ink);
}
.prose pre {
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 8px;
  padding: 12px 14px;
  overflow-x: auto;
  margin: 1em 0;
}
.prose pre code { background: none; padding: 0; font-size: .9em; }
.prose hr {
  border: 0;
  border-top: 1px solid var(--rule);
  margin: 2em 0;
}
.prose strong { color: var(--ink); font-weight: 700; }
.prose em { color: var(--ink); }
.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 1em 0;
  font-size: 15px;
}
.prose th, .prose td {
  text-align: left;
  padding: 7px 10px;
  border-bottom: 1px solid var(--rule);
  vertical-align: top;
}
.prose th {
  background: var(--bg);
  font-family: var(--sans);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--ink-soft);
  font-weight: 600;
}
.prose tbody tr:hover { background: var(--bg); }
.prose img { max-width: 100%; height: auto; border-radius: 6px; }

/* ---------- ANIMATIONS ---------- */
@keyframes flip-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}
.card-back:not(.hidden) { animation: flip-in .25s ease-out; }
.grade-row:not(.hidden) { animation: flip-in .3s ease-out; }
#view-library:not(.hidden), #view-reader:not(.hidden) { animation: flip-in .2s ease-out; }