/* ---------------- TAROT — Modern Mystic / Deep Violet Moonlight ---------------- */

:root {
  /* surface */
  --bg: #1b1230;
  --bg-deep: #120a22;
  --bg-soft: #241640;
  --bg-card: #1a1130;

  /* foreground (cool moonlight) */
  --ink: #ece7f5;
  --ink-soft: #b9b1cf;
  --ink-mute: #7a7299;
  --ink-faint: #4a426a;

  /* metallics */
  --gold: #d8b15c;
  --gold-soft: #e8c98a;
  --gold-deep: #8a6a2e;
  --silver: #c8d0e4;
  --silver-soft: #e2e6f2;
  --silver-deep: #6e7595;

  /* default accent (legacy var still used in places) */
  --accent: var(--gold);
  --accent-line: var(--silver);

  /* density (overridden by tweaks 0..1) */
  --ornament: 1;

  /* type */
  --display: 'Cinzel', 'Cormorant Garamond', serif;
  --serif: 'Cormorant Garamond', 'Noto Serif TC', serif;
  --gothic: 'UnifrakturMaguntia', 'Cormorant Garamond', serif;
  --ui: 'Inter', 'Helvetica Neue', sans-serif;
  --tc: 'Noto Serif TC', 'Cormorant Garamond', serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--serif);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Deep velvet vignette + faint star field */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(120, 90, 200, 0.22), transparent 60%),
    radial-gradient(ellipse 100% 80% at 50% 100%, rgba(40, 20, 80, 0.55), transparent 60%),
    radial-gradient(ellipse at center, var(--bg) 0%, var(--bg-deep) 100%);
}

body::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    radial-gradient(1px 1px at 13% 21%, rgba(255,255,255,0.6), transparent 60%),
    radial-gradient(1px 1px at 87% 9%, rgba(255,255,255,0.5), transparent 60%),
    radial-gradient(0.8px 0.8px at 22% 78%, rgba(255,255,255,0.55), transparent 60%),
    radial-gradient(1.2px 1.2px at 71% 64%, rgba(255,255,255,0.45), transparent 60%),
    radial-gradient(0.8px 0.8px at 44% 41%, rgba(255,255,255,0.5), transparent 60%),
    radial-gradient(1px 1px at 92% 88%, rgba(255,255,255,0.5), transparent 60%),
    radial-gradient(0.7px 0.7px at 8% 56%, rgba(255,255,255,0.4), transparent 60%),
    radial-gradient(1.4px 1.4px at 58% 12%, rgba(255,255,255,0.55), transparent 60%),
    radial-gradient(0.7px 0.7px at 33% 93%, rgba(255,255,255,0.45), transparent 60%),
    radial-gradient(1px 1px at 77% 36%, rgba(255,255,255,0.5), transparent 60%);
  opacity: calc(0.45 + var(--ornament) * 0.4);
  animation: twinkle 7s ease-in-out infinite;
}
@keyframes twinkle {
  0%, 100% { opacity: calc(0.45 + var(--ornament) * 0.4); }
  50%      { opacity: calc(0.30 + var(--ornament) * 0.3); }
}

button { font-family: inherit; cursor: pointer; color: inherit; }

::selection { background: color-mix(in oklab, var(--gold) 35%, transparent); color: var(--ink); }

/* ---------------- App layout ---------------- */
.app {
  position: relative;
  z-index: 1;
  max-width: 1180px;
  margin: 0 auto;
  padding: 40px 36px 80px;
  min-height: 100vh;
}

/* Decorative top moon-phase strip */
.moon-strip {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 26px;
  padding: 8px 0 28px;
  opacity: calc(0.25 + var(--ornament) * 0.65);
  transition: opacity 0.4s;
}
.moon-strip svg { width: 18px; height: 18px; display: block; }
.moon-strip .moon-rule {
  flex: 0 0 80px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--silver-deep), transparent);
  opacity: 0.7;
}

.app-header {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: end;
  padding: 6px 0 22px;
  position: relative;
}

.app-header::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, color-mix(in oklab, var(--gold) 50%, transparent), transparent);
  opacity: calc(0.4 + var(--ornament) * 0.5);
}

.brand { display: flex; flex-direction: column; gap: 6px; }

.brand-eyebrow {
  font-family: var(--ui);
  font-size: 10.5px;
  font-weight: 400;
  letter-spacing: 0.55em;
  text-indent: 0.55em;
  color: var(--silver-deep);
  text-transform: uppercase;
}

.brand-title {
  font-family: var(--display);
  font-size: 56px;
  font-weight: 500;
  letter-spacing: 0.32em;
  color: var(--gold);
  margin: 0;
  text-indent: 0.32em;
  line-height: 1;
  background: linear-gradient(180deg, var(--gold-soft) 0%, var(--gold) 55%, var(--gold-deep) 110%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 30px rgba(216, 177, 92, 0.25);
}

.brand-zh {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--tc);
  font-size: 14px;
  letter-spacing: 0.6em;
  color: var(--silver);
  text-indent: 0.6em;
  margin-top: 4px;
}
.brand-zh::before, .brand-zh::after {
  content: '';
  width: 28px; height: 1px;
  background: var(--silver-deep);
  opacity: 0.7;
}

.brand-gothic {
  font-family: var(--gothic);
  font-size: 20px;
  color: var(--silver-soft);
  letter-spacing: 0.04em;
  margin-top: 8px;
  opacity: calc(0.5 + var(--ornament) * 0.5);
}

.header-tools {
  display: flex;
  gap: 10px;
  padding-bottom: 8px;
}

.icon-btn {
  background: transparent;
  border: 1px solid color-mix(in oklab, var(--silver) 30%, transparent);
  color: var(--silver);
  border-radius: 999px;
  padding: 9px 16px;
  font-family: var(--ui);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  transition: all 0.25s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.icon-btn svg { width: 13px; height: 13px; }
.icon-btn:hover {
  border-color: var(--gold);
  color: var(--gold);
  background: color-mix(in oklab, var(--gold) 7%, transparent);
}

/* ---------------- Instructions ---------------- */
.instructions {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
  margin: 44px 0 20px;
  padding: 28px 0;
  position: relative;
}
.instructions::before, .instructions::after {
  content: '';
  position: absolute;
  left: 8%; right: 8%;
  height: 1px;
  background: linear-gradient(90deg,
    transparent,
    color-mix(in oklab, var(--silver) 30%, transparent) 20%,
    color-mix(in oklab, var(--silver) 30%, transparent) 80%,
    transparent);
  opacity: calc(0.5 + var(--ornament) * 0.4);
}
.instructions::before { top: 0; }
.instructions::after { bottom: 0; }

.step {
  display: flex;
  align-items: center;
  gap: 16px;
  font-family: var(--serif);
  font-size: 15px;
  color: var(--ink-soft);
  letter-spacing: 0.08em;
  line-height: 1.6;
}

.step-num {
  flex: none;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid var(--gold);
  border-radius: 50%;
  font-family: var(--display);
  color: var(--gold);
  font-size: 13px;
  letter-spacing: 0.04em;
  background: radial-gradient(circle at 30% 30%, color-mix(in oklab, var(--gold) 10%, transparent), transparent 70%);
  position: relative;
}
.step-num::before {
  content: '';
  position: absolute;
  inset: -4px;
  border: 1px solid color-mix(in oklab, var(--gold) 25%, transparent);
  border-radius: 50%;
  opacity: var(--ornament);
}

@media (max-width: 720px) {
  .instructions { grid-template-columns: 1fr; gap: 18px; }
}

/* ---------------- Stage / fan deck ---------------- */
.stage {
  position: relative;
  min-height: 320px;
  margin: 28px 0 16px;
  display: grid;
  place-items: start center;
  isolation: isolate;
}

/* Faint sigil watermark behind the deck */
.stage::before {
  content: '';
  position: absolute;
  width: 460px; height: 460px;
  top: -60px; left: 50%;
  transform: translateX(-50%);
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 200 200' fill='none' stroke='%23c8d0e4' stroke-width='0.4' opacity='0.55'><circle cx='100' cy='100' r='90'/><circle cx='100' cy='100' r='70'/><circle cx='100' cy='100' r='50'/><polygon points='100,20 119,80 181,80 131,118 150,178 100,140 50,178 69,118 19,80 81,80'/><line x1='10' y1='100' x2='190' y2='100'/><line x1='100' y1='10' x2='100' y2='190'/></svg>");
  background-size: contain; background-repeat: no-repeat;
  opacity: calc(0.05 + var(--ornament) * 0.12);
  pointer-events: none;
  z-index: -1;
}

.fan-deck {
  position: relative;
  width: 100%;
  height: 300px;
  pointer-events: none;
}

.stage-idle .fan-deck { opacity: 0; pointer-events: none; }
.stage-shuffling .fan-deck { opacity: 0; }
.stage-spread .fan-deck, .stage-revealed .fan-deck { opacity: 1; pointer-events: auto; }

.fan-card {
  position: absolute;
  left: 50%;
  top: 0;
  width: 74px;
  height: 116px;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.45));
  transition: transform 0.45s cubic-bezier(.2,.8,.2,1), filter 0.3s;
  animation: fanIn 0.7s cubic-bezier(.2,.8,.2,1) backwards;
}
@keyframes fanIn { from { opacity: 0; } }

.fan-card-inner {
  width: 100%;
  height: 100%;
  border-radius: 5px;
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid color-mix(in oklab, var(--gold) 40%, transparent);
  transition: transform 0.3s cubic-bezier(.2,.8,.2,1);
}

.fan-card:hover:not(:disabled) .fan-card-inner {
  transform: translateY(-16px) scale(1.06);
  border-color: var(--gold);
  box-shadow: 0 0 24px color-mix(in oklab, var(--gold) 35%, transparent);
}
.fan-card:hover:not(:disabled) {
  z-index: 199 !important;
}

.fan-card:disabled { cursor: default; }
.fan-card.is-picked .fan-card-inner {
  transform: translateY(-44px) scale(1.14);
  box-shadow: 0 0 40px color-mix(in oklab, var(--gold) 55%, transparent);
  border-color: var(--gold);
}

@media (max-width: 720px) {
  .fan-deck { height: 320px; }
  .fan-card { width: 56px; height: 88px; }
}

/* ---------------- Idle hint ---------------- */
.idle-hint {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  gap: 20px;
}

.idle-deck-stack {
  position: relative;
  width: 120px;
  height: 180px;
}
.stack-card {
  position: absolute;
  inset: 0;
  border-radius: 5px;
  overflow: hidden;
  border: 1px solid color-mix(in oklab, var(--gold) 50%, transparent);
  filter: drop-shadow(0 8px 18px rgba(0,0,0,0.45));
  background: var(--bg-card);
  transition: transform 0.4s;
}

.idle-text {
  font-family: var(--display);
  font-size: 12px;
  letter-spacing: 0.5em;
  text-indent: 0.5em;
  text-transform: uppercase;
  color: var(--silver);
  margin: 0;
}
.idle-sub {
  font-family: var(--tc);
  font-size: 14px;
  letter-spacing: 0.4em;
  text-indent: 0.4em;
  color: var(--ink-mute);
}

.stage-idle .idle-hint { opacity: 1; }
.stage-shuffling .idle-hint,
.stage-spread .idle-hint,
.stage-revealed .idle-hint { opacity: 0; pointer-events: none; }

/* shuffle motion */
.stage-shuffling::after {
  content: '';
  position: absolute;
  top: 30px; left: 50%; transform: translateX(-50%);
  width: 100px; height: 150px;
  background: var(--bg-card);
  border: 1px solid var(--gold);
  border-radius: 5px;
  box-shadow: 0 0 30px color-mix(in oklab, var(--gold) 40%, transparent);
  animation: shuffleSpin 0.9s ease-in-out;
}
@keyframes shuffleSpin {
  0%   { transform: translateX(-50%) rotate(0deg); opacity: 1; }
  25%  { transform: translateX(calc(-50% - 30px)) rotate(-8deg); }
  50%  { transform: translateX(-50%) rotate(0deg); }
  75%  { transform: translateX(calc(-50% + 30px)) rotate(8deg); }
  100% { transform: translateX(-50%) rotate(0deg); opacity: 0; }
}

/* ---------------- Controls ---------------- */
.controls {
  display: grid;
  place-items: center;
  margin: 32px 0 12px;
}

.shuffle-btn {
  position: relative;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  background: transparent;
  border: 1px solid var(--gold);
  color: var(--gold);
  padding: 16px 46px;
  border-radius: 2px;
  font-family: var(--display);
  letter-spacing: 0.4em;
  text-indent: 0.4em;
  transition: all 0.3s;
  text-transform: uppercase;
}
.shuffle-btn::before, .shuffle-btn::after {
  content: '';
  position: absolute;
  left: 6px; right: 6px;
  height: 1px;
  background: var(--gold);
  opacity: calc(0.25 + var(--ornament) * 0.45);
}
.shuffle-btn::before { top: 4px; }
.shuffle-btn::after { bottom: 4px; }

.shuffle-btn-en { font-size: 11px; letter-spacing: 0.55em; opacity: 0.75; }
.shuffle-btn-zh {
  font-size: 14px;
  font-family: var(--tc);
  letter-spacing: 0.3em;
  text-indent: 0.3em;
}

.shuffle-btn:hover:not(:disabled) {
  background: color-mix(in oklab, var(--gold) 12%, transparent);
  box-shadow: 0 0 24px color-mix(in oklab, var(--gold) 30%, transparent);
}
.shuffle-btn:disabled { opacity: 0.5; cursor: default; }

/* ---------------- Footer ---------------- */
.app-footer { margin-top: 64px; text-align: center; }
.footer-ornament {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 16px;
  opacity: calc(0.35 + var(--ornament) * 0.55);
}
.footer-ornament svg { width: 20px; height: 12px; color: var(--silver-deep); }
.footer-ornament .footer-line {
  width: 80px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--silver-deep), transparent);
}
.footer-text {
  font-family: var(--tc);
  font-size: 13px;
  color: var(--ink-mute);
  letter-spacing: 0.3em;
  text-indent: 0.3em;
  margin: 0;
}
.footer-gothic {
  font-family: var(--gothic);
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--silver-deep);
  margin-top: 8px;
  opacity: calc(0.5 + var(--ornament) * 0.5);
}

/* ---------------- Reveal overlay ---------------- */
.reveal-overlay {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse at center, rgba(36, 22, 64, 0.95) 0%, rgba(8, 4, 18, 0.98) 100%);
  z-index: 1000;
  display: grid;
  place-items: center;
  padding: 32px 20px;
  animation: fadeIn 0.4s ease;
  overflow-y: auto;
}
@keyframes fadeIn { from { opacity: 0; } }

.reveal-stage {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 64px;
  max-width: 820px;
  align-items: center;
  position: relative;
}

@media (max-width: 720px) {
  .reveal-stage { grid-template-columns: 1fr; gap: 32px; justify-items: center; }
}

.flip-card {
  position: relative;
  width: 260px;
  height: 390px;
  transform-style: preserve-3d;
  transition: transform 1s cubic-bezier(.4, .1, .2, 1);
  filter: drop-shadow(0 18px 40px rgba(0,0,0,0.6))
          drop-shadow(0 0 30px color-mix(in oklab, var(--gold) 25%, transparent));
}
.flip-card.is-flipped { transform: rotateY(180deg); }

.flip-face {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  border-radius: 6px;
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid color-mix(in oklab, var(--gold) 50%, transparent);
}
.flip-front { transform: rotateY(180deg); }
.flip-front img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.flip-front-frame {
  position: absolute;
  inset: 6px;
  border: 1px solid var(--gold);
  opacity: 0.55;
  pointer-events: none;
}
.flip-front-frame::before, .flip-front-frame::after {
  content: '';
  position: absolute;
  inset: 4px;
  border: 1px solid var(--silver);
  opacity: 0.4;
  pointer-events: none;
}

.card-fallback {
  width: 100%; height: 100%;
  display: grid; place-items: center;
  background:
    radial-gradient(circle at 30% 20%, color-mix(in oklab, var(--gold) 14%, var(--bg-card)), var(--bg-card));
  color: var(--gold);
}
.card-fallback-name {
  font-family: var(--display);
  font-size: 22px;
  letter-spacing: 0.3em;
  text-indent: 0.3em;
  text-align: center;
  padding: 16px;
  border: 1px solid var(--gold);
}

.reveal-text { color: var(--ink); opacity: 0; transition: opacity 0.6s ease 0.2s; }
.reveal-text.is-shown { opacity: 1; }

.reveal-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--ui);
  font-size: 10.5px;
  font-weight: 400;
  color: var(--silver-deep);
  letter-spacing: 0.35em;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.reveal-divider { width: 24px; height: 1px; background: var(--gold); opacity: 0.6; }
.reveal-tag { font-family: var(--display); letter-spacing: 0.4em; color: var(--gold); }

.reveal-name {
  font-family: var(--display);
  font-size: 42px;
  letter-spacing: 0.18em;
  font-weight: 500;
  margin: 0 0 6px;
  text-indent: 0.18em;
  background: linear-gradient(180deg, var(--gold-soft), var(--gold) 60%, var(--gold-deep));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-transform: uppercase;
}
.reveal-name-zh {
  font-family: var(--tc);
  font-size: 18px;
  letter-spacing: 0.45em;
  text-indent: 0.45em;
  color: var(--silver);
  margin: 0 0 24px;
}

.reveal-desc {
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.9;
  color: var(--ink-soft);
  letter-spacing: 0.05em;
  margin: 0 0 36px;
  max-width: 440px;
  padding-left: 22px;
  border-left: 1px solid var(--silver);
  text-wrap: pretty;
}

.reveal-actions { display: flex; gap: 12px; }

.btn-ghost {
  background: transparent;
  border: 1px solid color-mix(in oklab, var(--silver) 35%, transparent);
  color: var(--silver);
  padding: 12px 24px;
  font-family: var(--ui);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  border-radius: 2px;
  transition: all 0.25s;
}
.btn-ghost:hover { border-color: var(--silver-soft); color: var(--silver-soft); }

.btn-primary {
  border: 1px solid var(--gold);
  background: color-mix(in oklab, var(--gold) 12%, transparent);
  color: var(--gold-soft);
  padding: 12px 28px;
  font-family: var(--ui);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  border-radius: 2px;
  transition: all 0.25s;
}
.btn-primary:hover {
  background: color-mix(in oklab, var(--gold) 22%, transparent);
  box-shadow: 0 0 18px color-mix(in oklab, var(--gold) 35%, transparent);
}

/* ---------------- Share card ---------------- */
.share-overlay {
  position: fixed; inset: 0;
  background: rgba(8, 4, 18, 0.82);
  z-index: 1100;
  display: grid; place-items: center;
  padding: 24px;
  animation: fadeIn 0.3s;
  overflow-y: auto;
  backdrop-filter: blur(4px);
}
.share-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.share-card {
  width: 340px;
  padding: 40px 30px 30px;
  background:
    radial-gradient(ellipse at top, color-mix(in oklab, var(--gold) 10%, var(--bg-card)) 0%, var(--bg-card) 70%);
  border: 1px solid color-mix(in oklab, var(--gold) 50%, transparent);
  position: relative;
  box-shadow: 0 30px 80px rgba(0,0,0,0.7),
              0 0 40px color-mix(in oklab, var(--gold) 20%, transparent);
}
.share-card::before {
  content: '';
  position: absolute;
  inset: 8px;
  border: 1px solid color-mix(in oklab, var(--silver) 30%, transparent);
  pointer-events: none;
}

.share-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-family: var(--ui);
  font-size: 10.5px;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--silver-deep);
  margin-bottom: 22px;
  padding-bottom: 10px;
  border-bottom: 1px solid color-mix(in oklab, var(--silver) 22%, transparent);
}
.share-en { font-family: var(--display); color: var(--gold); }

.share-mini-card {
  width: 150px;
  height: 225px;
  margin: 0 auto 20px;
  border: 1px solid color-mix(in oklab, var(--gold) 50%, transparent);
  background: linear-gradient(135deg, color-mix(in oklab, var(--gold) 8%, var(--bg-card)), var(--bg-card));
  display: grid; place-items: center;
  overflow: hidden;
}
.share-mini-card img { width: 100%; height: 100%; object-fit: cover; }

.share-name {
  text-align: center;
  font-family: var(--display);
  font-size: 22px;
  letter-spacing: 0.25em;
  text-indent: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 4px;
}
.share-name-zh {
  text-align: center;
  font-family: var(--tc);
  font-size: 13px;
  letter-spacing: 0.4em;
  text-indent: 0.4em;
  color: var(--silver);
  margin-bottom: 16px;
}
.share-desc {
  text-align: center;
  font-family: var(--serif);
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
  letter-spacing: 0.04em;
  margin-bottom: 24px;
}

.share-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding-top: 16px;
  border-top: 1px solid color-mix(in oklab, var(--silver) 22%, transparent);
}
.share-stamp {
  width: 30px; height: 30px;
  display: grid; place-items: center;
  border: 1px solid var(--gold);
  color: var(--gold);
  border-radius: 50%;
  font-family: var(--display);
  font-size: 12px;
  letter-spacing: 0.1em;
}
.share-foot-text {
  font-family: var(--gothic);
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--silver-deep);
}

.share-tip {
  color: var(--silver);
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  opacity: 0.7;
  font-family: var(--ui);
}

/* ---------------- History drawer ---------------- */
.history-drawer {
  position: fixed;
  top: 0; right: 0;
  width: 380px; max-width: 90vw;
  height: 100vh;
  background: linear-gradient(180deg, var(--bg-soft) 0%, var(--bg-deep) 100%);
  border-left: 1px solid color-mix(in oklab, var(--gold) 40%, transparent);
  box-shadow: -20px 0 60px rgba(0,0,0,0.5);
  z-index: 1050;
  transform: translateX(100%);
  transition: transform 0.45s cubic-bezier(.2,.8,.2,1);
  display: flex;
  flex-direction: column;
  padding: 32px 28px;
}
.history-drawer.is-open { transform: translateX(0); }

.history-head {
  display: flex; justify-content: space-between; align-items: center;
  padding-bottom: 18px;
  border-bottom: 1px solid color-mix(in oklab, var(--silver) 22%, transparent);
}
.history-head h3 {
  margin: 0;
  font-family: var(--display);
  font-size: 16px;
  letter-spacing: 0.4em;
  text-indent: 0.4em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--gold);
}

.history-empty {
  text-align: center;
  color: var(--ink-mute);
  font-family: var(--serif);
  font-size: 15px;
  font-style: italic;
  line-height: 2;
  letter-spacing: 0.05em;
  padding: 60px 20px;
}

.history-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  flex: 1;
  overflow-y: auto;
}
.history-item {
  padding: 16px 0;
  border-bottom: 1px solid color-mix(in oklab, var(--silver) 12%, transparent);
}
.history-row1 {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-bottom: 8px;
}
.history-date {
  font-family: var(--ui);
  font-size: 10.5px;
  letter-spacing: 0.25em;
  color: var(--silver-deep);
  text-transform: uppercase;
}
.history-name {
  font-family: var(--display);
  font-size: 14px;
  letter-spacing: 0.2em;
  text-indent: 0.2em;
  color: var(--gold);
  text-transform: uppercase;
}
.history-name-zh {
  font-family: var(--tc);
  font-size: 12px;
  letter-spacing: 0.25em;
  color: var(--silver);
  margin-bottom: 6px;
}
.history-desc {
  font-family: var(--serif);
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-soft);
  letter-spacing: 0.04em;
}

.history-clear {
  margin-top: 18px;
  padding: 11px;
  background: transparent;
  border: 1px solid color-mix(in oklab, var(--silver) 22%, transparent);
  color: var(--ink-mute);
  font-family: var(--ui);
  letter-spacing: 0.3em;
  font-size: 10.5px;
  text-transform: uppercase;
  border-radius: 2px;
}
.history-clear:hover { color: var(--silver); border-color: var(--silver); }

/* ---------------- Tweaks panel ---------------- */
.tweaks-panel {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 300px;
  background: linear-gradient(180deg, var(--bg-soft), var(--bg-card));
  border: 1px solid color-mix(in oklab, var(--gold) 45%, transparent);
  box-shadow: 0 20px 50px rgba(0,0,0,0.5),
              0 0 30px color-mix(in oklab, var(--gold) 15%, transparent);
  z-index: 1200;
  padding: 20px 22px 24px;
  border-radius: 4px;
}
.tweaks-panel::before {
  content: '';
  position: absolute;
  inset: 5px;
  border: 1px solid color-mix(in oklab, var(--silver) 18%, transparent);
  pointer-events: none;
  border-radius: 2px;
}
.tweaks-head {
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--display);
  letter-spacing: 0.45em;
  text-indent: 0.45em;
  text-transform: uppercase;
  font-size: 13px;
  color: var(--gold);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid color-mix(in oklab, var(--silver) 22%, transparent);
  position: relative;
}
.tweaks-section { margin-top: 18px; }
.tweaks-label {
  display: flex; justify-content: space-between; align-items: baseline;
  font-family: var(--ui);
  font-size: 10.5px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--silver);
  margin-bottom: 12px;
}
.tweaks-label .muted {
  font-family: var(--display);
  color: var(--gold);
  font-size: 11px;
  letter-spacing: 0.15em;
}
.tweaks-label-zh {
  font-family: var(--tc);
  font-size: 11px;
  color: var(--silver-deep);
  letter-spacing: 0.25em;
  margin-left: 8px;
}

.slider {
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
  height: 1px;
  background: color-mix(in oklab, var(--silver) 30%, transparent);
  outline: none;
}
.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px; height: 14px;
  background: var(--gold);
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid var(--bg-soft);
  box-shadow: 0 0 8px color-mix(in oklab, var(--gold) 60%, transparent);
}
.slider::-moz-range-thumb {
  width: 14px; height: 14px;
  background: var(--gold);
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid var(--bg-soft);
}
.slider-ends {
  display: flex; justify-content: space-between;
  font-family: var(--ui);
  font-size: 9.5px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--silver-deep);
  margin-top: 8px;
}

.toggle {
  display: flex; align-items: center; gap: 10px;
  background: transparent;
  border: 1px solid color-mix(in oklab, var(--silver) 28%, transparent);
  padding: 9px 16px;
  border-radius: 999px;
  font-family: var(--ui);
  letter-spacing: 0.3em;
  font-size: 10.5px;
  text-transform: uppercase;
  color: var(--silver);
}
.toggle-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--ink-faint);
  box-shadow: 0 0 0 1px color-mix(in oklab, var(--silver) 25%, transparent);
}
.toggle-dot.on {
  background: var(--gold);
  box-shadow: 0 0 8px color-mix(in oklab, var(--gold) 60%, transparent);
}

.share-close { margin-top: 4px; }

/* scrollbar */
.history-list::-webkit-scrollbar { width: 4px; }
.history-list::-webkit-scrollbar-thumb { background: color-mix(in oklab, var(--silver) 22%, transparent); }

/* Corner flourishes on the main app */
.app-corner {
  position: absolute;
  width: 80px; height: 80px;
  color: var(--silver-deep);
  opacity: calc(0.25 + var(--ornament) * 0.55);
  pointer-events: none;
  transition: opacity 0.4s;
}
.app-corner.tl { top: 24px; left: 24px; }
.app-corner.tr { top: 24px; right: 24px; transform: scaleX(-1); }
.app-corner.bl { bottom: 24px; left: 24px; transform: scaleY(-1); }
.app-corner.br { bottom: 24px; right: 24px; transform: scale(-1, -1); }
.app-corner svg { width: 100%; height: 100%; display: block; }

@media (max-width: 720px) {
  .app-corner { display: none; }
  .brand-title { font-size: 38px; }
}