:root {
  color-scheme: dark;
  --bg: #17181c;
  --raise: #23252b;
  --ink: #f6f1e7;
  --muted: #c4baad;
  --gold: #e0c48a;
  --gold-dim: #8c7040;
  --line: #3c3830;
  --danger: #f0b4a8;
  --kb: 0px;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--ink);
  overflow-x: clip;
}

body {
  padding:
    env(safe-area-inset-top)
    env(safe-area-inset-right)
    env(safe-area-inset-bottom)
    env(safe-area-inset-left);
}

.shell {
  width: min(100%, 28rem);
  margin: 0 auto;
  min-height: calc(100svh - env(safe-area-inset-top) - env(safe-area-inset-bottom));
  display: flex;
  flex-direction: column;
  padding: 0.85rem 0.85rem calc(1.25rem + var(--kb));
  overflow-x: clip;
}

#screen {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.demo-line {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0;
  margin: 0 0 0.9rem;
  color: var(--gold);
  font-size: 0.95rem;
  line-height: 1.3;
}

.demo-sep { white-space: pre; }

#reset-demo {
  appearance: none;
  width: auto;
  min-height: 0;
  margin: 0;
  padding: 0;
  border: 0;
  background: none;
  color: inherit;
  font: inherit;
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

.hint, .panel-help, .panel-status, .panel-key {
  margin: 0.45rem 0 0;
  color: var(--muted);
  line-height: 1.45;
}

h1, h2 {
  font-family: Georgia, "Iowan Old Style", Palatino, serif;
  font-weight: 600;
  line-height: 1.2;
  margin: 0 0 0.6rem;
}

h1 { font-size: 2rem; }
h2 { font-size: 1.45rem; }

.lead, .prose {
  margin: 0 0 1rem;
  line-height: 1.5;
  font-size: 1.05rem;
}

.home-sub {
  margin: 0;
  color: var(--gold);
  font-size: 1.15rem;
  line-height: 1.35;
}

.home-stage {
  flex: 1;
  display: grid;
  place-items: center;
  min-height: 15rem;
}

.home-deck {
  position: relative;
  width: 9.4rem;
  height: 13.6rem;
  animation: deck-float 4.8s ease-in-out infinite alternate;
}

.home-deck::before {
  content: "";
  position: absolute;
  inset: -18% -8%;
  background: radial-gradient(circle at 50% 58%, rgba(224, 196, 138, 0.7), transparent 62%);
  filter: blur(16px);
  z-index: 0;
  animation: deck-glow 4.8s ease-in-out infinite alternate;
  pointer-events: none;
}

.deck-card {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  border-radius: 14px;
  border: 1px solid #7d6c50;
  background: radial-gradient(circle at 50% 42%, #3a342c 0, #16171b 72%);
  color: var(--gold);
  box-shadow: 0 14px 28px rgba(0, 0, 0, 0.38);
  transform: translate(calc(var(--d) * 8px), calc(var(--d) * -9px)) rotate(calc(var(--d) * 3deg));
  z-index: calc(var(--d) + 1);
}

.home-actions {
  width: 100%;
}

.stack {
  display: grid;
  gap: 0.7rem;
}

.btn {
  appearance: none;
  width: 100%;
  min-height: 48px;
  border-radius: 12px;
  border: 1px solid var(--gold);
  background: var(--gold);
  color: #241c10;
  font: inherit;
  font-size: 1rem;
  padding: 0.75rem 1rem;
  text-align: center;
}

.btn-quiet {
  background: transparent;
  color: var(--ink);
}

.btn:focus-visible, .back:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.spread-btn {
  text-align: left;
  background: var(--raise);
  color: var(--ink);
  border-color: var(--line);
}

.spread-btn strong { display: block; color: var(--gold); }
.spread-btn span { display: block; color: var(--muted); margin-top: 0.2rem; }

label.field {
  display: grid;
  gap: 0.4rem;
  color: var(--muted);
}

textarea, select {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #121317;
  color: var(--ink);
  font: inherit;
  font-size: 1rem;
  padding: 0.8rem;
}

textarea { min-height: 7rem; resize: vertical; }

.counter {
  margin: 0.2rem 0 0.8rem;
  font-size: 1.35rem;
  color: var(--gold);
}

.backs-head { margin-bottom: 0.2rem; }

.fan-stage {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: stretch;
  min-height: 16rem;
}

.slots {
  display: flex;
  justify-content: center;
  gap: 0.55rem;
  width: 100%;
}

.slots[data-count="10"] {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.35rem 0.3rem;
}

.slot { width: 4.75rem; }
.slots[data-count="10"] .slot { width: auto; }
.slots[data-count="1"] .slot,
.slots[data-count="2"] .slot { width: 5.4rem; }

.slot-well {
  position: relative;
  aspect-ratio: 2 / 3;
  border-radius: 10px;
  border: 1px dashed rgba(224, 196, 138, 0.6);
  background: rgba(224, 196, 138, 0.05);
}

.slot-well.is-filled {
  border-style: solid;
  border-color: var(--gold);
  background: radial-gradient(circle at 50% 42%, #34302a 0, #1b1c20 72%);
  color: var(--gold);
  box-shadow: 0 0 0 1px rgba(224, 196, 138, 0.35);
}

.slot-label {
  display: block;
  margin-top: 0.28rem;
  text-align: center;
  color: var(--gold);
  font-size: 0.72rem;
  line-height: 1.2;
}

.slots[data-count="10"] .slot-label { font-size: 0.62rem; }

.slot-hit {
  appearance: none;
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  min-height: 0;
  padding: 0;
  border: 0;
  border-radius: inherit;
  background: transparent;
  color: inherit;
}

.fan {
  position: relative;
  width: 100%;
  margin-top: 8px;
  aspect-ratio: 1 / 0.56;
  overflow: hidden;
}

.back {
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 30%;
  margin-left: -15%;
  aspect-ratio: 2 / 3;
  border: 0;
  border-radius: 10px;
  background: transparent;
  color: var(--gold);
  padding: 0;
  min-height: 0;
  appearance: none;
  touch-action: manipulation;
  transform-origin: 50% 100%;
  transform: rotate(var(--angle));
  transition: transform 0.42s cubic-bezier(.22, .7, .2, 1);
  z-index: var(--z, 1);
}

.back-face {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  border-radius: inherit;
  border: 1px solid #5c5346;
  background: radial-gradient(circle at 50% 42%, #34302a 0, #1b1c20 72%);
  color: inherit;
  transition: transform 0.16s cubic-bezier(.22, .7, .2, 1);
}

.back.is-entering {
  transition: none;
  animation: fan-in 0.62s cubic-bezier(.16, .84, .24, 1) both;
  animation-delay: calc(var(--i) * 28ms);
}

.back:hover,
.back:focus-visible,
.back.is-preview {
  z-index: 80;
}

.back:hover .back-face,
.back:focus-visible .back-face,
.back.is-preview .back-face {
  transform: translateY(-24px);
}

.back.is-dealt,
.back.is-dealt:hover,
.back.is-dealt.is-preview {
  visibility: hidden;
  pointer-events: none;
  z-index: 0;
}

.flyer {
  position: fixed;
  bottom: auto;
  margin: 0;
  z-index: 80;
  pointer-events: none;
  animation: none;
}

.back-art {
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
}

.back-art svg { width: 68%; height: 68%; }

.backs-actions {
  width: 100%;
  margin-top: 0.7rem;
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem 0.4rem;
  align-items: start;
}

.pos-block h3,
.summary-card h3,
.reading-block h3 {
  margin: 0 0 0.35rem;
  font-family: Georgia, "Iowan Old Style", Palatino, serif;
  font-size: 0.78rem;
  font-weight: 600;
  line-height: 1.25;
  text-align: center;
  color: var(--gold);
}

.flip {
  width: 100%;
  margin: 0 0 0.35rem;
  perspective: 700px;
}

.flip-inner {
  width: 100%;
  animation: flip-in 0.5s ease both;
  animation-delay: calc(var(--i) * 0.18s);
}

.card-face {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
  background: transparent;
}

.card-face.is-reversed {
  transform: rotate(180deg);
}

.name, .ori {
  margin: 0.12rem 0;
  text-align: center;
  line-height: 1.3;
}

.name { font-size: 0.78rem; }
.ori { color: var(--muted); font-size: 0.72rem; }

.reading-list {
  display: grid;
  gap: 0.75rem;
  margin-top: 1.15rem;
}

.reading-block {
  padding: 0.8rem 0.9rem;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: var(--raise);
}

.reading-block h3 {
  margin: 0 0 0.15rem;
  text-align: left;
  font-size: 0.98rem;
}

.reading-card {
  margin: 0 0 0.4rem;
  color: var(--gold);
  font-size: 0.95rem;
}

.reading-block .prose { margin: 0; font-size: 1rem; }

.summary-card {
  margin-top: 0.9rem;
  padding: 0.85rem 0.9rem 0.3rem;
  border-radius: 14px;
  border: 1px solid var(--gold-dim);
  background: #262219;
}

.summary-card h3 { text-align: left; font-size: 1.05rem; }
.summary-card .prose { margin-bottom: 0.7rem; font-size: 1rem; }

.result-question { margin: 0.15rem 0 0.8rem; }

.result-actions { margin-top: 20px; }

.accepted {
  margin: 0 0 0.4rem;
  color: var(--gold);
  font-weight: 700;
}

.prose { white-space: pre-wrap; }

.history-item {
  text-align: left;
  background: var(--raise);
  color: var(--ink);
  border-color: var(--line);
}

.history-item strong { display: block; }
.history-item span { display: block; color: var(--muted); margin-top: 0.25rem; }

.warn { color: var(--danger); }

.panel {
  margin-top: 1.25rem;
  border-top: 1px solid var(--line);
  padding-top: 0.8rem;
}

.panel summary { cursor: pointer; color: var(--gold); }

.panel-field { display: grid; gap: 0.35rem; margin-top: 0.8rem; }

.panel-actions { display: grid; gap: 0.5rem; margin-top: 0.8rem; }

.panel-key code {
  color: var(--ink);
  overflow-wrap: anywhere;
}

@keyframes fan-in {
  from { transform: rotate(0deg); }
  to { transform: rotate(var(--angle)); }
}

@keyframes deck-float {
  from { transform: translateY(0); }
  to { transform: translateY(-10px); }
}

@keyframes deck-glow {
  from { opacity: 0.45; }
  to { opacity: 1; }
}

@keyframes flip-in {
  from { transform: rotateY(92deg); }
  to { transform: rotateY(0deg); }
}

@media (prefers-reduced-motion: reduce) {
  .flip-inner,
  .back,
  .back-face,
  .home-deck,
  .home-deck::before { animation: none; transition: none; }
}