/* ==========================================================================
   Bookworm — built on the "Portrait" design system
   Light: near-white canvas · navy ink · rainbow used sparingly · pastel washes
   Dark:  deep navy canvas · near-white ink · the same washes, sunk and dimmed

   Theme resolution has three states:
     1. no [data-theme]        → follow the device (prefers-color-scheme)
     2. [data-theme="light"]   → forced light, even on a dark device
     3. [data-theme="dark"]    → forced dark, even on a light device
   ========================================================================== */

@import url('https://api.fontshare.com/v2/css?f[]=switzer@400,500,600,700&f[]=general-sans@500,600&display=swap');

/* --------------------------------------------------------------------------
   1. Tokens — static
   These never change between themes: brand gradient, spectrum accents, and the
   pastel palette used for *artwork* (book covers, avatars, cover status tags).
   A book cover is an object, not a surface — it keeps its own colour in the
   dark exactly as a real one does on a shelf.
   -------------------------------------------------------------------------- */
:root {
  color-scheme: light dark;

  /* Spectrum (gradient / accent only) */
  --violet: #8e51ff;
  --cobalt: #3b82f6;
  --grape: #ad46ff;
  --cherry: #ff4940;
  --tangerine: #ffa130;
  --sunflower: #ffc837;
  --leaf: #00cc3d;
  --cyan: #26c0ff;
  --magenta: #e600c2;

  /* Pastel palette — artwork only */
  --mint: #d7ffe2;
  --sky: #e8f1ff;
  --peach: #ffebd6;
  --lilac: #f0e9ff;
  --white: #ffffff;

  --rainbow: linear-gradient(90deg, rgb(38, 192, 255), rgb(230, 0, 194) 20%, rgb(255, 73, 78) 40%, rgb(255, 161, 62) 60%, rgb(255, 200, 55) 80%, rgb(0, 204, 61));

  /* Radii */
  --r-input: 16px;
  --r-card: 24px;
  --r-btn: 28px;
  --r-pill: 9999px;

  /* Spacing */
  --s1: 4px;  --s2: 8px;  --s3: 12px; --s4: 16px; --s5: 20px;
  --s6: 24px; --s7: 28px; --s8: 32px; --s10: 40px; --s12: 48px;
  --s14: 56px; --s16: 64px; --s20: 80px; --s32: 128px;

  --maxw: 1200px;

  --font-ui: 'Switzer', ui-sans-serif, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'General Sans', 'Switzer', ui-sans-serif, -apple-system, 'Segoe UI', sans-serif;

  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* --------------------------------------------------------------------------
   2. Tokens — light theme (the default)
   -------------------------------------------------------------------------- */
:root {
  --canvas: #fbfbfa;
  --surface: #ffffff;
  --surface-2: #f5f7f8;

  --ink: #08304c;
  --text: #2c2c2c;
  --text-muted: #585858;
  /* Portrait specifies #797979 here, which measures 4.2:1 on this canvas —
     just under AA for the 10–12px meta text it carries. Darkened a step. */
  --text-dim: #6b6b6b;
  --teal: #084e72;

  --border: rgba(8, 48, 76, .08);
  --border-strong: rgba(8, 48, 76, .18);
  --track: #eeeeee;
  --hairline-c: rgba(8, 48, 76, .08);

  --nav-bg: rgba(255, 255, 255, .88);
  --tag-bg: rgba(255, 255, 255, .94);

  --solid-bg: #08304c;
  --solid-bg-hover: #084e72;
  --solid-fg: #ffffff;

  /* Themed surface washes — these DO flip */
  --wash-mint: #d7ffe2;   --wash-mint-fg: #0a5f2c;
  --wash-sky: #e8f1ff;    --wash-sky-fg: #084e72;
  --wash-peach: #ffebd6;  --wash-peach-fg: #8a4a12;
  --wash-lilac: #f0e9ff;  --wash-lilac-fg: #5b3aa8;
  --wash-rose: #ffe4e3;   --wash-rose-fg: #9d2b27;

  --glow-1: rgba(38, 192, 255, .16);
  --glow-2: rgba(255, 161, 62, .16);
  --glow-3: rgba(173, 70, 255, .12);

  --selection: rgba(38, 192, 255, .22);

  /* Shadows — never above 8% black */
  --shadow-md:
    0 16px 16px -8px rgba(0, 0, 0, .03),
    0 10px 10px -5px rgba(0, 0, 0, .03),
    0 6px 6px -3px rgba(0, 0, 0, .03),
    0 3px 3px -1.5px rgba(0, 0, 0, .03),
    0 1px 1px -.5px rgba(0, 0, 0, .03);
  --shadow-soft:
    0 0 0 1px rgba(8, 48, 76, .05),
    0 12px 20px -12px rgba(8, 48, 76, .08),
    0 4px 6px -3px rgba(8, 48, 76, .04);
  --shadow-lift:
    0 0 0 1px rgba(8, 48, 76, .06),
    0 22px 34px -18px rgba(8, 48, 76, .16),
    0 8px 12px -6px rgba(8, 48, 76, .06);
  --shadow-cover: 0 0 0 1px rgba(8, 48, 76, .07), 0 14px 24px -16px rgba(8, 48, 76, .4);
  --shadow-cover-hi: 0 0 0 1px rgba(8, 48, 76, .07), 0 26px 34px -20px rgba(8, 48, 76, .48);
}

/* --------------------------------------------------------------------------
   3. Tokens — dark theme
   The navy ink becomes the canvas and the canvas becomes the ink. Washes are
   sunk to roughly 8% of their hue over the surface, with a light tint of the
   same hue carrying the text.
   -------------------------------------------------------------------------- */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --canvas: #05121c;
    --surface: #0a2131;
    --surface-2: #071a27;

    --ink: #eaf3f9;
    --text: #c6d6e1;
    --text-muted: #9db0bf;
    --text-dim: #7c93a3;
    --teal: #7cc6ee;

    --border: rgba(170, 210, 235, .12);
    --border-strong: rgba(170, 210, 235, .26);
    --track: rgba(170, 210, 235, .14);
    --hairline-c: rgba(170, 210, 235, .12);

    --nav-bg: rgba(10, 33, 49, .82);
    --tag-bg: rgba(255, 255, 255, .94);

    --solid-bg: #eaf3f9;
    --solid-bg-hover: #ffffff;
    --solid-fg: #06202f;

    --wash-mint: #0e2c1e;   --wash-mint-fg: #78dfa0;
    --wash-sky: #0c2439;    --wash-sky-fg: #8ecbf5;
    --wash-peach: #2c1c0e;  --wash-peach-fg: #f3b775;
    --wash-lilac: #1c1638;  --wash-lilac-fg: #bfa6ff;
    --wash-rose: #2e1414;   --wash-rose-fg: #ff9c98;

    --glow-1: rgba(38, 192, 255, .2);
    --glow-2: rgba(255, 161, 62, .14);
    --glow-3: rgba(173, 70, 255, .18);

    --selection: rgba(38, 192, 255, .3);

    --shadow-md:
      0 16px 16px -8px rgba(0, 0, 0, .28),
      0 10px 10px -5px rgba(0, 0, 0, .24),
      0 6px 6px -3px rgba(0, 0, 0, .2),
      0 3px 3px -1.5px rgba(0, 0, 0, .16),
      0 1px 1px -.5px rgba(0, 0, 0, .14);
    --shadow-soft:
      0 0 0 1px rgba(170, 210, 235, .07),
      0 12px 20px -12px rgba(0, 0, 0, .6),
      0 4px 6px -3px rgba(0, 0, 0, .4);
    --shadow-lift:
      0 0 0 1px rgba(170, 210, 235, .1),
      0 22px 34px -18px rgba(0, 0, 0, .7),
      0 8px 12px -6px rgba(0, 0, 0, .45);
    --shadow-cover: 0 0 0 1px rgba(170, 210, 235, .1), 0 14px 24px -16px rgba(0, 0, 0, .85);
    --shadow-cover-hi: 0 0 0 1px rgba(170, 210, 235, .14), 0 26px 34px -20px rgba(0, 0, 0, .95);
  }
}

/* Same values again, for an explicit dark choice on a light device. */
:root[data-theme="dark"] {
  --canvas: #05121c;
  --surface: #0a2131;
  --surface-2: #071a27;

  --ink: #eaf3f9;
  --text: #c6d6e1;
  --text-muted: #9db0bf;
  --text-dim: #7c93a3;
  --teal: #7cc6ee;

  --border: rgba(170, 210, 235, .12);
  --border-strong: rgba(170, 210, 235, .26);
  --track: rgba(170, 210, 235, .14);
  --hairline-c: rgba(170, 210, 235, .12);

  --nav-bg: rgba(10, 33, 49, .82);
  --tag-bg: rgba(255, 255, 255, .94);

  --solid-bg: #eaf3f9;
  --solid-bg-hover: #ffffff;
  --solid-fg: #06202f;

  --wash-mint: #0e2c1e;   --wash-mint-fg: #78dfa0;
  --wash-sky: #0c2439;    --wash-sky-fg: #8ecbf5;
  --wash-peach: #2c1c0e;  --wash-peach-fg: #f3b775;
  --wash-lilac: #1c1638;  --wash-lilac-fg: #bfa6ff;
  --wash-rose: #2e1414;   --wash-rose-fg: #ff9c98;

  --glow-1: rgba(38, 192, 255, .2);
  --glow-2: rgba(255, 161, 62, .14);
  --glow-3: rgba(173, 70, 255, .18);

  --selection: rgba(38, 192, 255, .3);

  --shadow-md:
    0 16px 16px -8px rgba(0, 0, 0, .28),
    0 10px 10px -5px rgba(0, 0, 0, .24),
    0 6px 6px -3px rgba(0, 0, 0, .2),
    0 3px 3px -1.5px rgba(0, 0, 0, .16),
    0 1px 1px -.5px rgba(0, 0, 0, .14);
  --shadow-soft:
    0 0 0 1px rgba(170, 210, 235, .07),
    0 12px 20px -12px rgba(0, 0, 0, .6),
    0 4px 6px -3px rgba(0, 0, 0, .4);
  --shadow-lift:
    0 0 0 1px rgba(170, 210, 235, .1),
    0 22px 34px -18px rgba(0, 0, 0, .7),
    0 8px 12px -6px rgba(0, 0, 0, .45);
  --shadow-cover: 0 0 0 1px rgba(170, 210, 235, .1), 0 14px 24px -16px rgba(0, 0, 0, .85);
  --shadow-cover-hi: 0 0 0 1px rgba(170, 210, 235, .14), 0 26px 34px -20px rgba(0, 0, 0, .95);
}

:root { --hairline: 1px solid var(--hairline-c); }

/* --------------------------------------------------------------------------
   4. Reset & base
   -------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

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

body {
  font-family: var(--font-ui);
  font-size: 16px;
  line-height: 1.5;
  color: var(--text);
  background: var(--canvas);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  transition: background-color .3s var(--ease), color .3s var(--ease);
}

img, svg { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; cursor: pointer; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; padding: 0; }

::selection { background: var(--selection); color: var(--ink); }

/* --------------------------------------------------------------------------
   5. Typography
   -------------------------------------------------------------------------- */
.display, .h1, .h2, .h3, .h4 {
  font-family: var(--font-display);
  color: var(--ink);
  font-weight: 500;
  text-wrap: balance;
}
.display   { font-size: clamp(40px, 6.6vw, 76px); line-height: 1.0;  letter-spacing: -.056em; }
.h1        { font-size: clamp(34px, 4.9vw, 49px); line-height: 1.04; letter-spacing: -.04em; }
.h2        { font-size: clamp(30px, 4vw, 44px);   line-height: 1.08; letter-spacing: -.026em; }
.h3        { font-size: clamp(24px, 2.6vw, 31px); font-weight: 600; line-height: 1.1; letter-spacing: -.013em; }
.h4        { font-size: 20px; font-weight: 500; line-height: 1.2; letter-spacing: -.013em; }

.lede { font-size: 18px; font-weight: 500; line-height: 1.45; color: var(--text-muted); }
.body { font-size: 16px; color: var(--text-muted); }
.small { font-size: 14px; color: var(--text-muted); }
.meta { font-size: 12px; color: var(--text-dim); }
.caption {
  font-size: 10px; line-height: 1.5; letter-spacing: .14em;
  text-transform: uppercase; font-weight: 600; color: var(--text-dim);
}

.ink { color: var(--ink); }
.muted { color: var(--text-dim); }

/* The one rainbow flourish: italicised headline words */
.spark {
  font-style: italic;
  background: var(--rainbow);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  padding-right: .06em;
}

/* --------------------------------------------------------------------------
   6. Layout
   -------------------------------------------------------------------------- */
.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--s6); }
.section { padding-block: var(--s20); }
.section-tight { padding-block: var(--s12); }
.stack > * + * { margin-top: var(--s4); }
.center { text-align: center; }
.section-head { max-width: 680px; }
.section-head.center { margin-inline: auto; }
.section-head .h2 { margin-top: var(--s4); }
.section-head .lede { margin-top: var(--s5); }

.grid { display: grid; gap: var(--s6); }
.g2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.g4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.row { display: flex; align-items: center; gap: var(--s3); }
.row-wrap { flex-wrap: wrap; }
.spread { justify-content: space-between; }

.divider { height: 1px; background: var(--border); border: 0; }

.hero-grid { grid-template-columns: 1.05fr .95fr; gap: var(--s16); align-items: center; }
.footer-grid { grid-template-columns: 1.6fr 1fr 1fr 1fr; align-items: start; gap: var(--s10); }

/* --------------------------------------------------------------------------
   7. Buttons, pills, chips
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--s2);
  padding: 11px 20px; border-radius: var(--r-btn);
  font-size: 16px; font-weight: 500; color: var(--ink);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease),
              background-color .25s var(--ease), border-color .25s var(--ease), opacity .2s;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }

.btn-rainbow {
  position: relative; border: 1.5px solid transparent;
  background:
    linear-gradient(var(--surface), var(--surface)) padding-box,
    var(--rainbow) border-box;
  box-shadow: var(--shadow-md);
}
.btn-rainbow:hover { transform: translateY(-2px); box-shadow: var(--shadow-lift); }

.btn-solid { background: var(--solid-bg); color: var(--solid-fg); box-shadow: var(--shadow-md); }
.btn-solid:hover { background: var(--solid-bg-hover); transform: translateY(-2px); }

.btn-quiet { border: 1.5px solid var(--border-strong); background: var(--surface); }
.btn-quiet:hover { border-color: var(--ink); }

.btn-ghost { padding: 8px 12px; font-size: 15px; }
.btn-ghost:hover { color: var(--teal); }

.btn-sm { padding: 8px 14px; font-size: 14px; }
.btn-block { display: flex; width: 100%; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px; border-radius: var(--r-pill);
  background: var(--wash-sky); color: var(--wash-sky-fg);
  font-size: 10px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase;
}
.eyebrow.mint { background: var(--wash-mint); color: var(--wash-mint-fg); }
.eyebrow.peach { background: var(--wash-peach); color: var(--wash-peach-fg); }
.eyebrow.lilac { background: var(--wash-lilac); color: var(--wash-lilac-fg); }

.chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 12px; border-radius: var(--r-pill);
  border: var(--hairline); background: var(--surface);
  font-size: 13px; font-weight: 500; color: var(--teal);
}
.chip.wash { border-color: transparent; background: var(--wash-sky); color: var(--wash-sky-fg); }

.dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; flex: none; }

/* --------------------------------------------------------------------------
   8. Nav
   -------------------------------------------------------------------------- */
.nav-shell { position: sticky; top: 0; z-index: 60; padding-top: var(--s4); }
.nav {
  display: flex; align-items: center; justify-content: space-between; gap: var(--s4);
  height: 56px; padding: 0 8px 0 20px;
  background: var(--nav-bg);
  backdrop-filter: saturate(160%) blur(14px);
  border: var(--hairline); border-radius: var(--r-btn);
  box-shadow: var(--shadow-md);
}
.nav-links { display: flex; align-items: center; gap: var(--s1); }
.nav-links a {
  padding: 8px 14px; border-radius: var(--r-pill);
  font-size: 15px; font-weight: 500; color: var(--text-muted);
  transition: color .2s, background-color .2s;
}
.nav-links a:hover { color: var(--ink); background: var(--wash-sky); }
.nav-links a.active { color: var(--wash-sky-fg); background: var(--wash-sky); }
.nav-actions { display: flex; align-items: center; gap: var(--s2); }
.nav-toggle { display: none; padding: 10px; border-radius: var(--r-pill); color: var(--ink); }

.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand-name {
  font-family: var(--font-display); font-weight: 600; font-size: 19px;
  letter-spacing: -.03em; color: var(--ink);
}

/* Theme switch ------------------------------------------------------------ */
.theme-btn {
  position: relative; display: inline-grid; place-items: center;
  width: 38px; height: 38px; border-radius: var(--r-pill);
  border: var(--hairline); background: var(--surface); color: var(--ink);
  transition: background-color .2s, border-color .2s, transform .2s var(--ease);
}
.theme-btn:hover { border-color: var(--border-strong); transform: translateY(-1px); }
.theme-btn svg { transition: transform .35s var(--ease); }
.theme-btn:active svg { transform: rotate(-25deg) scale(.9); }
/* A rainbow pip marks "auto" — the mark the brand gradient is allowed to make. */
.theme-btn .theme-dot {
  position: absolute; right: 2px; bottom: 2px;
  width: 9px; height: 9px; border-radius: 50%;
  background-image: var(--rainbow); background-size: 300% 100%; background-position: 55% 0;
  border: 2px solid var(--surface);
  opacity: 0; transform: scale(.5); transition: opacity .2s var(--ease), transform .2s var(--ease);
}
.theme-btn[data-mode="system"] .theme-dot { opacity: 1; transform: none; }

@media (max-width: 900px) {
  .nav-links {
    position: absolute; top: 68px; left: var(--s6); right: var(--s6);
    flex-direction: column; align-items: stretch; gap: 2px;
    padding: var(--s3); background: var(--surface);
    border: var(--hairline); border-radius: var(--r-card);
    box-shadow: var(--shadow-lift);
    opacity: 0; visibility: hidden; transform: translateY(-8px);
    transition: opacity .2s var(--ease), transform .2s var(--ease), visibility .2s;
  }
  .nav-links.open { opacity: 1; visibility: visible; transform: none; }
  .nav-toggle { display: inline-flex; }
  .nav-actions .btn-ghost { display: none; }
}

/* --------------------------------------------------------------------------
   9. Cards
   -------------------------------------------------------------------------- */
.card {
  background: var(--surface); border: var(--hairline); border-radius: var(--r-card);
  box-shadow: var(--shadow-md);
  transition: background-color .3s var(--ease), border-color .3s var(--ease);
}
.card-pad { padding: var(--s6); }
.card-hover { transition: transform .3s var(--ease), box-shadow .3s var(--ease), background-color .3s var(--ease); }
.card-hover:hover { transform: translateY(-4px); box-shadow: var(--shadow-lift); }

.wash-mint { background: var(--wash-mint); }
.wash-sky { background: var(--wash-sky); }
.wash-peach { background: var(--wash-peach); }
.wash-lilac { background: var(--wash-lilac); }

.tilt-l { transform: rotate(-1.6deg); }
.tilt-r { transform: rotate(1.4deg); }

/* --------------------------------------------------------------------------
   10. Book covers & book cards
   Covers are artwork: they keep their pastel palette in both themes, the way a
   physical cover keeps its colour in a dim room.
   -------------------------------------------------------------------------- */
.cover {
  position: relative; border-radius: var(--r-input); overflow: hidden;
  aspect-ratio: 2 / 3; background: var(--track);
  box-shadow: var(--shadow-cover);
}
.cover svg { width: 100%; height: 100%; }
.cover::after {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(100deg, rgba(255, 255, 255, .34) 0 6%, rgba(255, 255, 255, 0) 14%);
}

.book-card { display: block; position: relative; }
.book-card .cover { transition: transform .35s var(--ease), box-shadow .35s var(--ease); }
.book-card:hover .cover { transform: translateY(-6px) rotate(-1deg); box-shadow: var(--shadow-cover-hi); }
.book-card h4 { margin-top: var(--s3); font-size: 16px; font-weight: 500; color: var(--ink); line-height: 1.3; }
.book-card .meta { margin-top: 2px; }

/* Status tags sit on the artwork, so they stay on the light pastel palette. */
.status-tag {
  position: absolute; top: 10px; left: 10px; z-index: 2;
  padding: 4px 9px; border-radius: var(--r-pill);
  font-size: 10px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase;
  background: var(--tag-bg); color: #084e72;
  box-shadow: 0 2px 6px rgba(8, 48, 76, .12);
}
.status-tag[data-s="read"] { background: var(--mint); color: #0a5f2c; }
.status-tag[data-s="reading"] { background: var(--peach); color: #8a4a12; }
.status-tag[data-s="want"] { background: var(--sky); color: #084e72; }

.progress { height: 4px; border-radius: var(--r-pill); background: var(--track); overflow: hidden; margin-top: var(--s3); }
.progress i { display: block; height: 100%; border-radius: inherit; background: var(--ink); }

/* --------------------------------------------------------------------------
   11. Verdict components
   -------------------------------------------------------------------------- */
.verdict {
  display: inline-flex; align-items: center; gap: var(--s2);
  padding: 6px 14px 6px 8px; border-radius: var(--r-pill);
  font-size: 13px; font-weight: 600; letter-spacing: .01em;
}
/* The bead carries a bright spectrum fill in both themes, so its glyph is inked
   dark rather than white — white on tangerine only reaches 2:1. */
.verdict .bead { width: 18px; height: 18px; border-radius: 50%; display: grid; place-items: center; font-size: 10px; font-weight: 700; }
.verdict[data-v="read"] { background: var(--wash-mint); color: var(--wash-mint-fg); }
.verdict[data-v="read"] .bead { background: var(--leaf); color: #04300f; }
.verdict[data-v="skim"] { background: var(--wash-peach); color: var(--wash-peach-fg); }
.verdict[data-v="skim"] .bead { background: var(--tangerine); color: #3d2408; }
.verdict[data-v="skip"] { background: var(--wash-rose); color: var(--wash-rose-fg); }
.verdict[data-v="skip"] .bead { background: var(--cherry); color: #ffffff; }

.gauge { display: flex; align-items: center; gap: var(--s4); }
.gauge-ring { position: relative; width: 92px; height: 92px; flex: none; }
.gauge-ring svg { transform: rotate(-90deg); }
.gauge-ring b {
  position: absolute; inset: 0; display: grid; place-items: center;
  font-family: var(--font-display); font-size: 26px; font-weight: 600; color: var(--ink); letter-spacing: -.03em;
}

.bar-row { display: grid; grid-template-columns: 96px 1fr 34px; align-items: center; gap: var(--s3); }
.bar-row span:first-child { font-size: 13px; color: var(--text-muted); }
.bar-row span:last-child { font-size: 12px; color: var(--text-dim); text-align: right; }
.bar { height: 6px; border-radius: var(--r-pill); background: var(--track); overflow: hidden; }
.bar i { display: block; height: 100%; border-radius: inherit; background: var(--teal); transition: width .9s var(--ease); }

/* --------------------------------------------------------------------------
   12. Inputs
   -------------------------------------------------------------------------- */
.field {
  display: flex; align-items: center; gap: var(--s3);
  height: 60px; padding: 0 8px 0 22px;
  background: var(--surface); border: var(--hairline); border-radius: var(--r-pill);
  box-shadow: var(--shadow-md);
  transition: box-shadow .25s var(--ease), border-color .25s var(--ease), background-color .3s var(--ease);
}
.field:focus-within { border-color: var(--border-strong); box-shadow: var(--shadow-lift); }
.field input { flex: 1; min-width: 0; border: 0; outline: 0; background: none; font-size: 16px; color: var(--ink); }
.field input::placeholder { color: var(--text-dim); opacity: .8; }

.field-sm { height: 46px; padding: 0 6px 0 16px; }
.field-sm input { font-size: 15px; }

.select {
  height: 46px; padding: 0 16px; border-radius: var(--r-pill);
  border: var(--hairline); background: var(--surface);
  font-size: 14px; color: var(--ink); box-shadow: var(--shadow-md);
}

.seg {
  display: inline-flex; gap: 2px; padding: 4px;
  background: var(--surface); border: var(--hairline); border-radius: var(--r-pill);
  box-shadow: var(--shadow-md);
}
.seg button {
  padding: 8px 16px; border-radius: var(--r-pill);
  font-size: 14px; font-weight: 500; color: var(--text-muted);
  transition: background-color .2s, color .2s;
}
.seg button:hover { color: var(--ink); }
.seg button.on { background: var(--solid-bg); color: var(--solid-fg); }

/* --------------------------------------------------------------------------
   13. Misc components
   -------------------------------------------------------------------------- */
.numeral {
  width: 34px; height: 34px; flex: none; border-radius: var(--r-pill);
  display: grid; place-items: center;
  font-family: var(--font-display); font-size: 14px; font-weight: 600; color: var(--ink);
  border: 1.5px solid transparent;
  background: linear-gradient(var(--surface), var(--surface)) padding-box, var(--rainbow) border-box;
}

.avatar { width: 44px; height: 44px; border-radius: 50%; overflow: hidden; flex: none; box-shadow: 0 0 0 1px var(--border); }

.faq { border-top: 1px solid var(--border); }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-q {
  display: flex; align-items: center; justify-content: space-between; gap: var(--s4);
  width: 100%; padding: var(--s5) 0; text-align: left;
  font-family: var(--font-display); font-size: 18px; font-weight: 500; color: var(--ink);
}
.faq-q i { flex: none; width: 26px; height: 26px; border-radius: 50%; border: var(--hairline); display: grid; place-items: center; transition: transform .3s var(--ease), background-color .2s; }
.faq-item.open .faq-q i { transform: rotate(45deg); background: var(--wash-sky); color: var(--wash-sky-fg); }
.faq-a { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .35s var(--ease); }
.faq-item.open .faq-a { grid-template-rows: 1fr; }
.faq-a > div { overflow: hidden; }
.faq-a p { padding-bottom: var(--s5); max-width: 62ch; color: var(--text-muted); }

.marquee { overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.marquee-track { display: flex; gap: var(--s10); width: max-content; animation: slide 38s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes slide { to { transform: translateX(-50%); } }

.rule-rainbow { height: 3px; border: 0; border-radius: var(--r-pill); background: var(--rainbow); opacity: .9; }

/* Footer */
.footer { border-top: 1px solid var(--border); padding-block: var(--s16) var(--s10); margin-top: var(--s20); background: var(--surface); }
.footer a { color: var(--text-muted); font-size: 15px; }
.footer a:hover { color: var(--ink); }
.footer h5 { font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--text-dim); font-weight: 600; margin-bottom: var(--s4); }

/* --------------------------------------------------------------------------
   14. Auth
   -------------------------------------------------------------------------- */
.auth-wrap { display: grid; grid-template-columns: 1fr .9fr; gap: var(--s20); align-items: center; }
.auth-col { max-width: 470px; width: 100%; }

.label { display: block; font-size: 13px; font-weight: 500; color: var(--ink); margin-bottom: 8px; }
.label .opt { color: var(--text-dim); font-weight: 400; }

.input {
  width: 100%; height: 52px; padding: 0 16px;
  border-radius: var(--r-input); border: 1.5px solid var(--border-strong);
  background: var(--surface); color: var(--ink); font-size: 16px;
  transition: border-color .2s, box-shadow .2s, background-color .3s var(--ease);
}
.input::placeholder { color: var(--text-dim); opacity: .7; }
.input:focus { outline: 0; border-color: var(--ink); box-shadow: 0 0 0 4px var(--wash-sky); }
.input[aria-invalid="true"] { border-color: var(--cherry); }
.input:disabled { opacity: .55; cursor: not-allowed; }

.input-prefix { position: relative; }
.input-prefix > span { position: absolute; left: 16px; top: 50%; transform: translateY(-50%); color: var(--text-dim); pointer-events: none; }
.input-prefix .input { padding-left: 32px; }

.hint { font-size: 12px; color: var(--text-dim); margin-top: 7px; }
.hint.err { color: var(--wash-rose-fg); }
.hint.ok { color: var(--wash-mint-fg); }

.otp { display: flex; gap: 10px; }
.otp input {
  width: 100%; max-width: 58px; height: 62px; text-align: center;
  font-family: var(--font-display); font-size: 24px; font-weight: 600; color: var(--ink);
  border-radius: var(--r-input); border: 1.5px solid var(--border-strong);
  background: var(--surface); transition: border-color .2s, box-shadow .2s, background-color .2s;
}
.otp input:focus { outline: 0; border-color: var(--ink); box-shadow: 0 0 0 4px var(--wash-sky); }
.otp input.filled { background: var(--wash-sky); border-color: transparent; }
.otp[data-state="err"] input { border-color: var(--cherry); animation: shake .4s var(--ease); }
@keyframes shake { 25% { transform: translateX(-5px); } 75% { transform: translateX(5px); } }

.check { display: flex; gap: 11px; align-items: flex-start; cursor: pointer; }
.check input {
  appearance: none; -webkit-appearance: none; flex: none;
  width: 20px; height: 20px; margin-top: 2px; border-radius: 6px;
  border: 1.5px solid var(--border-strong); background: var(--surface);
  display: grid; place-items: center; cursor: pointer; transition: .2s var(--ease);
}
.check input:checked { background: var(--solid-bg); border-color: var(--solid-bg); }
.check input:checked::after { content: '✓'; color: var(--solid-fg); font-size: 12px; font-weight: 700; line-height: 1; }
.check input:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }
.check span { font-size: 14px; color: var(--text-muted); }

.steps { display: flex; gap: 6px; }
.steps i { height: 4px; width: 30px; border-radius: var(--r-pill); background: var(--track); transition: background-color .3s var(--ease); }
.steps i.on { background: var(--ink); }

.avatar-pick { display: flex; gap: 10px; }
.avatar-pick button {
  width: 48px; height: 48px; padding: 0; border-radius: 50%;
  border: 2px solid transparent; box-shadow: 0 0 0 1px var(--border); overflow: hidden;
  transition: transform .2s var(--ease), border-color .2s;
}
.avatar-pick button:hover { transform: translateY(-2px); }
.avatar-pick button.on { border-color: var(--ink); box-shadow: 0 0 0 1px var(--ink); }

.chip-select { display: flex; flex-wrap: wrap; gap: 8px; }
.chip-select button { cursor: pointer; transition: background-color .2s, color .2s, border-color .2s; }
.chip-select button.on { background: var(--wash-sky); color: var(--wash-sky-fg); border-color: transparent; }

.or-rule { display: flex; align-items: center; gap: 14px; color: var(--text-dim); font-size: 12px; }
.or-rule::before, .or-rule::after { content: ''; flex: 1; height: 1px; background: var(--border); }

.cover-stack { position: relative; height: 400px; }
.cover-stack .cover { position: absolute; width: 168px; }
.cover-stack .cover:nth-child(1) { left: 0;    top: 44px;  transform: rotate(-7deg); z-index: 1; }
.cover-stack .cover:nth-child(2) { left: 120px; top: 0;    transform: rotate(2deg);  z-index: 3; }
.cover-stack .cover:nth-child(3) { left: 244px; top: 52px; transform: rotate(8deg);  z-index: 2; }

/* Signed-in nav ----------------------------------------------------------- */
.account { position: relative; }
.account-btn {
  display: flex; align-items: center; gap: 9px; padding: 4px 12px 4px 4px;
  border-radius: var(--r-pill); border: var(--hairline); background: var(--surface);
  transition: border-color .2s, transform .2s var(--ease);
}
.account-btn:hover { border-color: var(--border-strong); transform: translateY(-1px); }
.account-btn .avatar { width: 30px; height: 30px; }
.account-btn b { font-size: 14px; font-weight: 500; color: var(--ink); }
.menu {
  position: absolute; right: 0; top: calc(100% + 10px); width: 246px; z-index: 70;
  padding: var(--s3); background: var(--surface);
  border: var(--hairline); border-radius: var(--r-card); box-shadow: var(--shadow-lift);
  opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: opacity .2s var(--ease), transform .2s var(--ease), visibility .2s;
}
.menu.open { opacity: 1; visibility: visible; transform: none; }
.menu a, .menu button {
  display: flex; align-items: center; gap: 10px; width: 100%;
  padding: 9px 12px; border-radius: var(--r-input);
  font-size: 14px; color: var(--text-muted); text-align: left;
  transition: background-color .15s, color .15s;
}
.menu a:hover, .menu button:hover { background: var(--wash-sky); color: var(--ink); }
.menu-head { padding: 10px 12px 12px; }
.menu-head b { display: block; font-size: 14px; color: var(--ink); }
.menu-head span { font-size: 12px; color: var(--text-dim); word-break: break-all; }

.banner {
  display: flex; align-items: center; justify-content: space-between; gap: var(--s5);
  flex-wrap: wrap; padding: var(--s5) var(--s6);
  border-radius: var(--r-card); background: var(--wash-sky);
}

/* Profile ----------------------------------------------------------------- */
.profile-grid { grid-template-columns: 1fr 340px; gap: var(--s8); align-items: start; }
.profile-head { display: flex; align-items: center; gap: var(--s6); flex-wrap: wrap; }
.profile-head .avatar { width: 88px; height: 88px; }

.tile { padding: var(--s5); border-radius: var(--r-input); background: var(--surface-2); }

.rowline {
  display: flex; align-items: center; justify-content: space-between; gap: var(--s4);
  padding: var(--s4) 0; border-bottom: 1px solid var(--border);
}
.rowline:last-child { border-bottom: 0; }
.rowline > div { min-width: 0; }
.rowline b { display: block; font-size: 14px; font-weight: 500; color: var(--ink); }
.rowline span { font-size: 12px; color: var(--text-dim); word-break: break-word; }

.savebar {
  position: sticky; bottom: 20px; z-index: 50; margin-top: var(--s8);
  display: flex; align-items: center; justify-content: space-between; gap: var(--s4);
  padding: 12px 12px 12px 22px;
  background: var(--surface); border: var(--hairline); border-radius: var(--r-btn);
  box-shadow: var(--shadow-lift);
  opacity: 0; visibility: hidden; transform: translateY(16px);
  transition: opacity .25s var(--ease), transform .25s var(--ease), visibility .25s;
}
.savebar.on { opacity: 1; visibility: visible; transform: none; }

.danger-btn {
  border: 1.5px solid var(--wash-rose-fg); color: var(--wash-rose-fg);
  background: transparent;
}
.danger-btn:hover { background: var(--wash-rose); }

/* --------------------------------------------------------------------------
   15. Page furniture
   -------------------------------------------------------------------------- */
.page-head { padding-block: var(--s12) var(--s8); }
.hero { position: relative; padding-block: var(--s16) var(--s12); }
.hero-glow {
  position: absolute; inset: -20% 0 auto; height: 640px; z-index: -1; pointer-events: none;
  background:
    radial-gradient(46% 42% at 18% 34%, var(--glow-1), transparent 70%),
    radial-gradient(38% 40% at 78% 22%, var(--glow-2), transparent 70%),
    radial-gradient(40% 44% at 52% 62%, var(--glow-3), transparent 72%);
  filter: blur(6px);
}

.shelf-rail { display: flex; gap: var(--s5); overflow-x: auto; padding-bottom: var(--s4); scroll-snap-type: x mandatory; }
.shelf-rail > * { flex: 0 0 168px; scroll-snap-align: start; }
.shelf-rail::-webkit-scrollbar { height: 6px; }
.shelf-rail::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 999px; }

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .marquee-track { animation: none; }
  html { scroll-behavior: auto; }
}

/* --------------------------------------------------------------------------
   16. Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 1000px) {
  .g4 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--s8); }
  .auth-wrap { grid-template-columns: 1fr; gap: var(--s12); }
  .auth-aside { display: none; }
  .auth-col { max-width: 520px; margin-inline: auto; }
  .profile-grid { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: var(--s10); }
  .hero-grid > :last-child { max-width: 520px; }
}
@media (max-width: 760px) {
  .section { padding-block: var(--s12); }
  .g2, .g3 { grid-template-columns: 1fr; }
  .g4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tilt-l, .tilt-r { transform: none; }
  .hero { padding-block: var(--s10) var(--s8); }
  .display { letter-spacing: -.035em; }
  .shelf-rail > * { flex-basis: 144px; }
  .feature-row > * { order: 0 !important; }
  .feature-row { gap: var(--s8) !important; }
}
@media (max-width: 540px) {
  .footer-grid { grid-template-columns: 1fr; }
  .g4 { grid-template-columns: 1fr 1fr; }
  .seg { width: 100%; overflow-x: auto; }
  .otp { gap: 6px; }
  .otp input { height: 54px; font-size: 20px; }
  .rowline { flex-wrap: wrap; }
  .profile-head .avatar { width: 64px; height: 64px; }
  .savebar { padding-left: 16px; flex-wrap: wrap; }
  .account-btn b { display: none; }
  .account-btn { padding: 4px; }
}