/* ═══════════════════════════════════════════════════════════════
   LUPINE LIBRARY — mobile-first reader
   Aligned with DESIGN_GUIDE.md: Lupine indigo, slate void, glass surfaces.
   ═══════════════════════════════════════════════════════════════ */

:root {
  --lupine-950: #12142e;
  --lupine-700: #2e3a87;
  --lupine-500: #5565d4;
  --lupine-400: #7b8ae0;
  --lupine-300: #9ba6ea;

  --slate-950: #06070d;
  --slate-900: #0a0b12;
  --slate-800: #12131a;
  --slate-700: #1a1b23;
  --slate-600: #252838;
  --slate-500: #3a3e52;
  --slate-400: #646880;
  --slate-300: #9096ab;
  --slate-200: #b4b9cc;
  --slate-100: #d4d7e3;
  --slate-50:  #eceef4;

  --cyan: #4ecdc4;
  --gold: #d4a843;
  --green: #4ecd6b;
  --red: #e85454;

  --bg: var(--slate-950);
  --bg-raised: var(--slate-900);
  --text: var(--slate-100);
  --text-dim: var(--slate-300);
  --border: rgba(255, 255, 255, 0.06);
  --accent: var(--lupine-400);
  --glass-1: rgba(255, 255, 255, 0.015);
  --glass-2: rgba(255, 255, 255, 0.03);
  --glass-3: rgba(255, 255, 255, 0.05);

  --reader-size: 1.05rem;
  --reader-max: 38rem;
  --topbar-h: 58px;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, monospace;
}

[data-theme="sepia"] {
  --bg: #1f1a12;
  --bg-raised: #2a2218;
  --text: #f1e6cf;
  --text-dim: #c9b98f;
  --border: rgba(255, 230, 180, 0.08);
  --accent: #e0a84a;
}

[data-theme="light"] {
  --bg: #f6f5f0;
  --bg-raised: #ffffff;
  --text: #1a1c28;
  --text-dim: #4a4f63;
  --border: rgba(18, 20, 46, 0.1);
  --accent: #3a48a9;
  --glass-1: rgba(18, 20, 46, 0.02);
  --glass-2: rgba(18, 20, 46, 0.04);
  --glass-3: rgba(18, 20, 46, 0.06);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  padding-bottom: env(safe-area-inset-bottom);
}

/* Subtle noise — grain-drift aesthetic from the design guide */
.noise {
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode: overlay;
}

/* Drifting radial orbs — the "GSAP feel" without the JS. Three fixed
   lupine/cyan/violet gradients that slowly translate across the viewport
   on long GPU-composited cycles. Low opacity so they read as atmosphere,
   not content. Suppressed in the light theme to preserve paper feel.  */
.bg-fx {
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
  will-change: transform;
}
.bg-fx .orb {
  position: absolute;
  width: 70vmin; height: 70vmin;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.38;
  mix-blend-mode: screen;
  will-change: transform;
}
.bg-fx .orb-a {
  top: -20vmin; left: -18vmin;
  background: radial-gradient(circle at 40% 40%, rgba(123, 138, 224, 0.9), rgba(123, 138, 224, 0) 62%);
  animation: orb-drift-a 48s ease-in-out infinite;
}
.bg-fx .orb-b {
  bottom: -22vmin; right: -18vmin;
  background: radial-gradient(circle at 50% 50%, rgba(78, 205, 196, 0.8), rgba(78, 205, 196, 0) 62%);
  animation: orb-drift-b 62s ease-in-out infinite;
}
.bg-fx .orb-c {
  top: 40%; left: 55%;
  width: 50vmin; height: 50vmin;
  background: radial-gradient(circle at 50% 50%, rgba(139, 107, 196, 0.7), rgba(139, 107, 196, 0) 65%);
  animation: orb-drift-c 74s ease-in-out infinite;
  opacity: 0.28;
}

@keyframes orb-drift-a {
  0%,100% { transform: translate3d(0, 0, 0) scale(1); }
  50%     { transform: translate3d(14vmin, 10vmin, 0) scale(1.08); }
}
@keyframes orb-drift-b {
  0%,100% { transform: translate3d(0, 0, 0) scale(1); }
  50%     { transform: translate3d(-12vmin, -8vmin, 0) scale(0.92); }
}
@keyframes orb-drift-c {
  0%,100% { transform: translate3d(-50%, -50%, 0) scale(1); }
  50%     { transform: translate3d(-40%, -60%, 0) scale(1.12); }
}

/* Light theme: suppress the orbs so the page reads like paper. */
[data-theme="light"] .bg-fx { display: none; }
/* Sepia: warm them down a touch to sit under the amber cast. */
[data-theme="sepia"] .bg-fx .orb { opacity: 0.14; }

/* Dim behind the reader so long-form reading stays calm. */
[data-view="reader"] .bg-fx .orb { opacity: 0.18; }
[data-view="reader"] .bg-fx .orb-c { opacity: 0.12; }

/* Respect the reduced-motion preference by parking orbs in place. */
@media (prefers-reduced-motion: reduce) {
  .bg-fx .orb { animation: none; }
}

::selection { background: var(--lupine-500); color: white; }

/* ─── Topbar ───────────────────────────────────────────── */
.topbar {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; gap: 12px;
  height: var(--topbar-h);
  padding: 0 14px;
  padding-top: env(safe-area-inset-top);
  background: color-mix(in oklab, var(--bg) 85%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.topbar .brand { flex: 1; display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; min-width: 0; }
.brand-mark {
  position: relative;
  width: 30px; height: 30px; flex: none;
  display: inline-block;
}
.brand-mark .nucleus {
  position: absolute; inset: 38%;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--accent);
  animation: nucleus-pulse 2s ease-in-out infinite;
}
.brand-mark .orbit {
  position: absolute; inset: 0;
  border: 1px solid color-mix(in oklab, var(--accent) 50%, transparent);
  border-radius: 50%;
  transform: rotate(30deg);
}
.brand-mark .orbit::before {
  content: ''; position: absolute; top: -2px; left: 50%;
  width: 4px; height: 4px; border-radius: 50%;
  background: var(--cyan);
  transform-origin: 0 16px;
  animation: orbital-spin 3s linear infinite;
  box-shadow: 0 0 6px var(--cyan);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.1; min-width: 0; }
.brand-title { font-family: var(--font-serif); font-size: 1.1rem; font-weight: 700; letter-spacing: -0.01em; }
.brand-sub { font-family: var(--font-mono); font-size: 0.62rem; color: var(--text-dim); letter-spacing: 0.06em; text-transform: uppercase; }

.topbar-actions { display: flex; gap: 4px; }

.icon-btn {
  appearance: none;
  background: transparent;
  color: var(--text);
  border: 1px solid transparent;
  border-radius: 10px;
  width: 40px; height: 40px;
  display: inline-flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}
.icon-btn:hover, .icon-btn:focus-visible { background: var(--glass-2); border-color: var(--border); outline: none; }
.icon-btn:active { background: var(--glass-3); }

@keyframes nucleus-pulse {
  0%, 100% { opacity: 0.7; transform: scale(1); }
  50%      { opacity: 1;   transform: scale(1.15); }
}
@keyframes orbital-spin {
  0% { transform: translateX(-50%) rotate(0deg) translateY(16px) rotate(0deg); }
  100% { transform: translateX(-50%) rotate(360deg) translateY(16px) rotate(-360deg); }
}

/* ─── View ──────────────────────────────────────────────── */
.view {
  position: relative; z-index: 1;
  min-height: calc(100vh - var(--topbar-h));
}

/* ─── Home: shelves ─────────────────────────────────────── */
.hero {
  padding: 24px 20px 14px;
  max-width: 720px;
  margin: 0 auto;
}
.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.9rem, 6vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
}
.hero h1 em { font-style: italic; color: var(--lupine-300); font-weight: 400; }
.hero p {
  margin-top: 10px;
  color: var(--text-dim);
  font-size: 0.98rem;
  max-width: 44ch;
}
.hero-stats {
  display: flex; gap: 14px; margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.hero-stats span strong { color: var(--accent); font-weight: 600; }

.continue {
  max-width: 720px;
  margin: 0 auto 10px;
  padding: 0 20px;
}
.continue h2, .shelf h2 {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 10px;
  display: flex; align-items: center; gap: 8px;
}
.continue h2::before, .shelf h2::before {
  content: ''; width: 5px; height: 5px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
}

.shelf {
  max-width: 720px;
  margin: 18px auto 0;
  padding: 0 20px;
}
.shelf .blurb {
  color: var(--text-dim);
  font-size: 0.88rem;
  margin-top: -4px; margin-bottom: 12px;
  max-width: 48ch;
}

.cards { display: flex; flex-direction: column; gap: 10px; }

.card {
  display: block;
  padding: 14px 16px;
  background: var(--glass-1);
  border: 1px solid var(--border);
  border-radius: 14px;
  color: var(--text);
  text-decoration: none;
  position: relative;
  overflow: hidden;
  transition: transform 0.12s, background 0.15s, border-color 0.15s;
}
.card:hover, .card:focus-visible { background: var(--glass-2); border-color: color-mix(in oklab, var(--accent) 40%, var(--border)); outline: none; }
.card:active { transform: scale(0.995); }
.card-title { font-family: var(--font-serif); font-size: 1.12rem; font-weight: 700; line-height: 1.25; letter-spacing: -0.01em; }
.card-sub { color: var(--text-dim); font-size: 0.9rem; margin-top: 4px; line-height: 1.5; }
.card-meta {
  display: flex; gap: 12px; align-items: center; flex-wrap: wrap;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.card-meta .tag {
  padding: 2px 7px;
  background: var(--glass-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text-dim);
}
.card-progress {
  position: absolute; left: 0; right: 0; bottom: 0;
  height: 2px; background: transparent;
}
.card-progress span { display: block; height: 100%; background: var(--accent); box-shadow: 0 0 6px var(--accent); }

.card-pill-cat {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--lupine-300);
  margin-bottom: 6px;
}

/* ─── Reader ────────────────────────────────────────────── */
.reader {
  max-width: var(--reader-max);
  margin: 0 auto;
  padding: 24px 20px 120px;
  font-size: var(--reader-size);
}
[data-reader-width="wide"] .reader { max-width: 52rem; }

[data-reader-size="sm"]  { --reader-size: 0.95rem; }
[data-reader-size="md"]  { --reader-size: 1.05rem; }
[data-reader-size="lg"]  { --reader-size: 1.18rem; }
[data-reader-size="xl"]  { --reader-size: 1.32rem; }

.reader-head {
  padding-bottom: 16px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border);
}
.reader-cat {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 8px;
}
.reader-title {
  font-family: var(--font-serif);
  font-size: clamp(1.7rem, 5.5vw, 2.2rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.01em;
}
.reader-sub {
  margin-top: 10px;
  color: var(--text-dim);
  font-size: 1rem;
  line-height: 1.5;
}
.reader-meta {
  margin-top: 12px;
  display: flex; gap: 14px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.reader .content { word-wrap: break-word; overflow-wrap: break-word; }
.reader .content h1,
.reader .content h2,
.reader .content h3,
.reader .content h4 { font-family: var(--font-serif); font-weight: 700; line-height: 1.2; letter-spacing: -0.01em; scroll-margin-top: calc(var(--topbar-h) + 12px); }
.reader .content h1 { font-size: 1.6em; margin: 1.4em 0 0.4em; }
.reader .content h2 { font-size: 1.35em; margin: 1.6em 0 0.4em; padding-top: 0.3em; border-top: 1px solid var(--border); }
.reader .content h3 { font-size: 1.12em; margin: 1.2em 0 0.3em; color: var(--lupine-300); }
.reader .content h4 { font-size: 1em; margin: 1em 0 0.3em; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-dim); font-family: var(--font-mono); font-weight: 500; }
.reader .content p { margin: 0.75em 0; }
.reader .content ul,
.reader .content ol { margin: 0.6em 0 0.8em 1.2em; }
.reader .content li { margin: 0.25em 0; }
.reader .content li > p { margin: 0.35em 0; }
.reader .content a { color: var(--accent); text-decoration: underline; text-decoration-color: color-mix(in oklab, var(--accent) 40%, transparent); text-underline-offset: 3px; }
.reader .content a:hover { text-decoration-color: var(--accent); }
.reader .content strong { color: var(--text); font-weight: 700; }
.reader .content em { color: var(--lupine-300); }
.reader .content blockquote {
  margin: 1em 0;
  padding: 0.2em 1em;
  border-left: 3px solid var(--accent);
  background: var(--glass-1);
  color: var(--text-dim);
  font-style: italic;
}
.reader .content code {
  font-family: var(--font-mono);
  font-size: 0.86em;
  background: var(--glass-2);
  padding: 1px 6px;
  border-radius: 4px;
  color: var(--gold);
}
.reader .content pre {
  background: var(--glass-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  margin: 1em 0;
  overflow-x: auto;
  font-size: 0.84em;
  line-height: 1.55;
}
.reader .content pre code { background: none; padding: 0; color: var(--text); }
.reader .content hr { border: none; border-top: 1px solid var(--border); margin: 1.6em 0; }

/* ── Tables ──
   Desktop: compact bordered table with optional caption and horizontal
   scroll if the table overflows. Mobile: each row becomes a labeled card
   (labels come from data-label set by the build-time marked renderer). */
.reader .content .table-wrap {
  margin: 1.1em 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--glass-1);
}
.reader .content table {
  border-collapse: collapse;
  width: 100%;
  font-size: 0.9em;
  min-width: 520px;
}
.reader .content caption {
  caption-side: top;
  text-align: left;
  padding: 10px 14px 8px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--lupine-300);
  border-bottom: 1px solid var(--border);
  background: var(--glass-2);
}
.reader .content thead th {
  background: var(--glass-2);
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: bottom;
  white-space: nowrap;
}
.reader .content tbody td {
  padding: 10px 14px;
  border-top: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
  line-height: 1.45;
}
.reader .content tbody tr:first-child td { border-top: none; }
.reader .content tbody tr:nth-child(even) td { background: rgba(255, 255, 255, 0.012); }

/* Narrow screens: transform rows into stacked labeled cards. */
@media (max-width: 639px) {
  .reader .content .table-wrap {
    overflow: visible;
    border: none;
    background: transparent;
    border-radius: 0;
  }
  .reader .content table { display: block; min-width: 0; font-size: 0.95em; }
  .reader .content caption {
    display: block;
    padding: 0 0 10px;
    background: transparent;
    border-bottom: none;
  }
  .reader .content thead { display: none; }
  .reader .content tbody { display: block; }
  .reader .content tbody tr {
    display: block;
    margin: 0 0 10px;
    padding: 10px 12px;
    background: var(--glass-1);
    border: 1px solid var(--border);
    border-radius: 10px;
  }
  .reader .content tbody tr:nth-child(even) td { background: transparent; }
  .reader .content tbody td {
    display: block;
    padding: 8px 0;
    border-top: 1px solid var(--border);
  }
  .reader .content tbody tr td:first-child { padding-top: 2px; border-top: none; }
  .reader .content tbody td::before {
    content: attr(data-label);
    display: block;
    margin-bottom: 3px;
    font-family: var(--font-mono);
    font-size: 0.64rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-dim);
  }
  .reader .content tbody td[data-label=""]::before,
  .reader .content tbody td:not([data-label])::before { display: none; }
}

/* Data block — fallback when a pseudo-table can't be reconstructed as a grid. */
.reader .content .ll-datablock {
  margin: 1.1em 0;
  padding: 12px 14px;
  background: var(--glass-1);
  border: 1px solid var(--border);
  border-radius: 10px;
}
.reader .content .ll-datablock figcaption {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--lupine-300);
  padding-bottom: 8px;
  margin-bottom: 6px;
  border-bottom: 1px solid var(--border);
}
.reader .content .ll-datablock ul { list-style: none; margin: 0; padding: 0; }
.reader .content .ll-datablock li {
  padding: 7px 0;
  border-top: 1px solid var(--border);
  font-size: 0.92rem;
  line-height: 1.5;
}
.reader .content .ll-datablock li:first-child { border-top: none; padding-top: 3px; }

.reader .content img { max-width: 100%; height: auto; border-radius: 8px; }

/* ─── Reader nav footer (prev / next) ─────────────────── */
.reader-nav {
  max-width: var(--reader-max);
  margin: 0 auto;
  padding: 16px 20px 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.reader-nav a {
  display: block;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--glass-1);
  color: var(--text);
  text-decoration: none;
  font-size: 0.88rem;
  line-height: 1.3;
}
.reader-nav a .lbl { font-family: var(--font-mono); font-size: 0.64rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-dim); display: block; margin-bottom: 4px; }
.reader-nav a.next { text-align: right; }
.reader-nav a.disabled { opacity: 0.35; pointer-events: none; }

/* ─── Progress bar (top edge) ──────────────────────────── */
.progress {
  position: fixed; top: var(--topbar-h); left: 0; right: 0;
  height: 2px;
  background: transparent;
  z-index: 49;
  pointer-events: none;
}
.progress #progress-fill {
  display: block; height: 100%; width: 0;
  background: linear-gradient(90deg, var(--lupine-500), var(--cyan));
  transition: width 0.1s linear;
}

/* ─── Dialog / overlay ─────────────────────────────────── */
.dialog[open] {
  position: fixed;
  inset: 0;
  width: 100%;
  max-width: 720px;
  margin: auto;
  height: auto;
  max-height: 92vh;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: color-mix(in oklab, var(--bg-raised) 95%, transparent);
  color: var(--text);
  padding: 16px;
  box-shadow: 0 40px 80px rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}
.dialog::backdrop { background: rgba(0, 0, 0, 0.65); backdrop-filter: blur(6px); }

.dialog-head { display: flex; gap: 10px; align-items: center; }
.dialog-head input {
  flex: 1;
  appearance: none;
  background: var(--glass-2);
  border: 1px solid var(--border);
  color: var(--text);
  font: inherit;
  font-size: 1rem;
  padding: 12px 14px;
  border-radius: 10px;
  outline: none;
}
.dialog-head input:focus { border-color: var(--accent); }
.search-results {
  list-style: none;
  margin-top: 12px;
  max-height: 60vh;
  overflow-y: auto;
}
.search-results li { border-bottom: 1px solid var(--border); }
.search-results a {
  display: block; padding: 12px 6px;
  color: var(--text); text-decoration: none;
}
.search-results a:hover { background: var(--glass-1); }
.search-results .r-title { font-family: var(--font-serif); font-weight: 600; font-size: 1rem; }
.search-results .r-sub { font-size: 0.82rem; color: var(--text-dim); margin-top: 2px; }
.search-hint { color: var(--text-dim); font-size: 0.78rem; margin-top: 10px; }
.search-hint.err { color: var(--red); }

.settings-dialog .dialog-title {
  font-family: var(--font-serif); font-size: 1.2rem; font-weight: 700;
  margin-bottom: 12px;
}
.setting { display: flex; justify-content: space-between; align-items: center; padding: 10px 0; border-bottom: 1px solid var(--border); gap: 10px; flex-wrap: wrap; }
.setting:last-of-type { border-bottom: none; }
.setting-label { font-family: var(--font-mono); font-size: 0.74rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-dim); }
.segmented { display: inline-flex; gap: 0; background: var(--glass-2); border: 1px solid var(--border); border-radius: 10px; padding: 3px; }
.segmented button {
  appearance: none; background: transparent; border: none; color: var(--text-dim);
  padding: 6px 12px; border-radius: 8px; font: inherit; font-size: 0.85rem; cursor: pointer;
  min-width: 38px;
}
.segmented button.active { background: var(--accent); color: var(--bg); font-weight: 600; }
.segmented button:hover:not(.active) { color: var(--text); }

.pill-btn {
  appearance: none;
  background: var(--glass-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 14px;
  border-radius: 999px;
  font: inherit; font-size: 0.84rem;
  cursor: pointer;
}
.pill-btn:hover { background: var(--glass-3); border-color: var(--accent); }
.pill-btn.done { color: var(--green); border-color: color-mix(in oklab, var(--green) 50%, var(--border)); }

.close-btn {
  appearance: none;
  margin-top: 14px; width: 100%;
  background: var(--accent);
  color: var(--bg);
  border: none;
  padding: 12px;
  border-radius: 10px;
  font: inherit; font-weight: 600; font-size: 1rem;
  cursor: pointer;
}

/* ─── Loading / empty ──────────────────────────────────── */
.loading, .empty {
  padding: 40px 20px;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.92rem;
}

/* ─── Desktop refinements ──────────────────────────────── */
@media (min-width: 720px) {
  .hero { padding: 44px 20px 18px; }
  .shelf { margin-top: 26px; }
  .cards { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
  .continue .cards { grid-template-columns: 1fr; }
}

@media (min-width: 1080px) {
  .cards { grid-template-columns: 1fr 1fr 1fr; }
  .continue .cards { grid-template-columns: 1fr; }
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}