:root {
  --bg-deep: #120c1e;
  --bg-mid: #1c1330;
  --accent: #c9a962;
  --accent-soft: #e6cf9c;
  --purple: #6b3fa0;
  --purple-light: #9b6fd6;
  --text-light: #f2ecf8;
  --text-muted: #b6a9cc;
  --card-back-a: #2c1b4d;
  --card-back-b: #4a2b7a;
  --reversed-glow: #d16b6b;
  --upright-glow: #7fd6a0;
  --radius: 14px;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "PingFang TC", "Microsoft JhengHei", "Noto Sans TC", sans-serif;
  background: radial-gradient(circle at 20% 10%, #2a1c47 0%, var(--bg-deep) 45%, #0a0714 100%);
  color: var(--text-light);
  padding: 32px 16px 80px;
}

.app {
  max-width: 960px;
  margin: 0 auto;
}

.site-nav {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.nav-link {
  display: inline-block;
  font-size: 0.82rem;
  color: var(--text-muted);
  text-decoration: none;
  border: 1px solid rgba(201, 169, 98, 0.3);
  padding: 6px 14px;
  border-radius: 999px;
  transition: color 0.2s, border-color 0.2s;
}

.nav-link:hover {
  color: var(--accent-soft);
  border-color: rgba(201, 169, 98, 0.6);
}

.header {
  text-align: center;
  margin-bottom: 28px;
}

.header h1 {
  font-size: 2rem;
  margin-bottom: 6px;
  letter-spacing: 0.02em;
  background: linear-gradient(90deg, var(--accent-soft), var(--purple-light));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.subtitle {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.visit-counter {
  color: var(--text-muted);
  font-size: 0.78rem;
  margin-top: 8px;
}

.controls {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(201, 169, 98, 0.25);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  align-items: flex-end;
  backdrop-filter: blur(6px);
}

.control-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.control-group label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.spread-field {
  flex: 1;
  min-width: 320px;
}

.spread-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 10px;
}

.spread-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 12px 10px;
  border-radius: 12px;
  border: 1px solid rgba(155, 111, 214, 0.4);
  background: rgba(107, 63, 160, 0.16);
  color: var(--text-light);
  font-size: 0.85rem;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s, border-color 0.2s;
}

.spread-btn .spread-name {
  white-space: nowrap;
}

.spread-btn .spread-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 22px;
  height: 22px;
  padding: 0 5px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.25);
  color: var(--accent-soft);
  font-weight: 700;
  font-size: 0.78rem;
}

.spread-btn:hover {
  background: rgba(155, 111, 214, 0.3);
  transform: translateY(-1px);
}

.spread-btn.active {
  border-color: var(--accent);
  background: rgba(201, 169, 98, 0.18);
}

.spread-btn.active .spread-count {
  background: rgba(201, 169, 98, 0.35);
  color: var(--accent-soft);
}

.custom-count-field {
  justify-content: flex-end;
}

.count-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

#customCount {
  width: 64px;
  text-align: center;
  font-size: 1.1rem;
  padding: 8px 4px;
  border-radius: 8px;
  border: 1px solid rgba(201, 169, 98, 0.4);
  background: rgba(0, 0, 0, 0.25);
  color: var(--text-light);
}

.step-btn {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  border: 1px solid rgba(201, 169, 98, 0.4);
  background: rgba(0, 0, 0, 0.25);
  color: var(--accent-soft);
  font-size: 1.2rem;
  cursor: pointer;
  transition: background 0.2s;
}

.step-btn:hover {
  background: rgba(201, 169, 98, 0.2);
}

.toggle-group {
  flex-direction: row;
  gap: 20px;
  align-items: center;
}

.switch-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.88rem;
  color: var(--text-light);
  cursor: pointer;
}

.switch-label input {
  accent-color: var(--purple-light);
  width: 16px;
  height: 16px;
}

.actions {
  flex-direction: row;
  gap: 10px;
  flex-wrap: wrap;
}

.primary-btn {
  padding: 12px 22px;
  border-radius: 10px;
  border: none;
  background: linear-gradient(120deg, var(--purple), var(--purple-light));
  color: white;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 6px 18px rgba(107, 63, 160, 0.4);
  transition: transform 0.15s, box-shadow 0.15s;
}

.primary-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(107, 63, 160, 0.55);
}

.primary-btn:active {
  transform: translateY(0);
}

.secondary-btn {
  padding: 12px 18px;
  border-radius: 10px;
  border: 1px solid rgba(201, 169, 98, 0.4);
  background: transparent;
  color: var(--accent-soft);
  font-size: 0.95rem;
  cursor: pointer;
  transition: background 0.2s;
}

.secondary-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.secondary-btn:not(:disabled):hover {
  background: rgba(201, 169, 98, 0.15);
}

.deck-status {
  text-align: center;
  margin: 36px 0;
  color: var(--text-muted);
}

.shuffle-anim {
  position: relative;
  width: 100px;
  height: 140px;
  margin: 0 auto 12px;
}

.shuffle-card {
  position: absolute;
  width: 70px;
  height: 100px;
  left: 15px;
  top: 20px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--card-back-a), var(--card-back-b));
  border: 1px solid rgba(201, 169, 98, 0.5);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
  animation: shuffleMove 0.9s ease-in-out infinite;
}

.shuffle-card.c1 { animation-delay: 0s; }
.shuffle-card.c2 { animation-delay: 0.15s; }
.shuffle-card.c3 { animation-delay: 0.3s; }

@keyframes shuffleMove {
  0% { transform: translateX(-24px) rotate(-8deg); }
  50% { transform: translateX(24px) rotate(8deg); }
  100% { transform: translateX(-24px) rotate(-8deg); }
}

.reading {
  margin-top: 20px;
}

.reading-block {
  margin-bottom: 32px;
}

.block-title {
  font-size: 1.15rem;
  color: var(--accent-soft);
  margin-bottom: 14px;
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.hint {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 400;
}

.result-textarea {
  width: 100%;
  max-width: 520px;
  display: block;
  resize: vertical;
  font-family: "PingFang TC", "Microsoft JhengHei", "Noto Sans TC", monospace;
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--text-light);
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(201, 169, 98, 0.35);
  border-radius: 10px;
  padding: 14px;
  margin-bottom: 12px;
}

.result-textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.card-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  justify-content: flex-start;
}

.base-grid {
  justify-content: center;
}

/* Two-choice spread layout */
.choice-layout {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 30px;
}

.choice-options {
  display: flex;
  gap: 50px;
  justify-content: center;
  flex-wrap: wrap;
}

.choice-cluster {
  display: flex;
  gap: 16px;
}

@media (max-width: 520px) {
  .choice-options {
    gap: 24px;
  }
}

/* Celtic Cross spread layout */
.celtic-layout {
  display: flex;
  justify-content: center;
}

.celtic-cross {
  display: grid;
  grid-template-columns: 130px 130px 130px 40px 130px;
  grid-template-rows: repeat(4, 200px);
  grid-template-areas:
    ".    crown   .      .    s10"
    "past center future  .    s9"
    ".    found   .      .    s8"
    ".    .       .      .    s7";
  gap: 14px;
  place-items: center;
}

.pos-crown { grid-area: crown; }
.pos-past { grid-area: past; }
.pos-future { grid-area: future; }
.pos-found { grid-area: found; }
.pos-present { grid-area: center; }
.pos-challenge { grid-area: center; }
.pos-s7 { grid-area: s7; }
.pos-s8 { grid-area: s8; }
.pos-s9 { grid-area: s9; }
.pos-s10 { grid-area: s10; }

.pos-challenge {
  position: relative;
  z-index: 2;
  transform: translate(34px, 60px) rotate(90deg) scale(0.62);
}

.pos-challenge .card-position {
  display: none;
}

@media (max-width: 720px) {
  .celtic-cross {
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: none;
    grid-template-areas: none;
    width: 100%;
    justify-items: center;
    gap: 22px 14px;
  }
  .celtic-cross > .tarot-card {
    grid-area: auto;
  }
  .pos-challenge {
    position: static;
    transform: none;
    z-index: auto;
  }
  .pos-challenge .card-position {
    display: block;
    position: static;
    width: auto;
    text-align: center;
    margin: 0 0 6px;
  }
}

.tarot-card {
  width: 120px;
  cursor: pointer;
  perspective: 1000px;
}

.card-position {
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.card-inner {
  position: relative;
  width: 100%;
  height: 172px;
  transition: transform 0.6s cubic-bezier(0.4, 0.2, 0.2, 1);
  transform-style: preserve-3d;
}

.tarot-card.revealed .card-inner {
  transform: rotateY(180deg);
}

.tarot-card.reversed.revealed .card-inner {
  transform: rotateY(180deg) rotate(180deg);
}

.card-face {
  position: absolute;
  inset: 0;
  border-radius: 10px;
  backface-visibility: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 10px 6px;
}

.card-back {
  background:
    repeating-linear-gradient(45deg, rgba(201, 169, 98, 0.15) 0 6px, transparent 6px 12px),
    linear-gradient(135deg, var(--card-back-a), var(--card-back-b));
  border: 2px solid rgba(201, 169, 98, 0.5);
}

.card-back::after {
  content: "✦";
  font-size: 1.8rem;
  color: rgba(230, 207, 156, 0.7);
}

.card-front {
  background: linear-gradient(160deg, #241735, #150e24);
  border: 2px solid var(--accent);
  transform: rotateY(180deg);
}

.card-front .card-name {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--accent-soft);
  line-height: 1.3;
}

.card-front .card-en {
  font-size: 0.68rem;
  color: var(--text-muted);
  margin-top: 2px;
  font-style: italic;
}

.card-front .orientation-badge {
  margin-top: 8px;
  font-size: 0.72rem;
  padding: 3px 10px;
  border-radius: 999px;
  font-weight: 600;
}

.orientation-badge.upright {
  background: rgba(127, 214, 160, 0.18);
  color: var(--upright-glow);
  border: 1px solid rgba(127, 214, 160, 0.45);
}

.orientation-badge.reversed {
  background: rgba(209, 107, 107, 0.18);
  color: var(--reversed-glow);
  border: 1px solid rgba(209, 107, 107, 0.45);
}

.card-detail-overlay {
  position: fixed;
  inset: 0;
  background: rgba(6, 4, 12, 0.75);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 50;
}

.card-detail {
  max-width: 380px;
  width: 100%;
  background: linear-gradient(160deg, #241735, #150e24);
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  padding: 26px;
  position: relative;
}

.card-detail .close-btn {
  position: absolute;
  top: 12px;
  right: 14px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.3rem;
  cursor: pointer;
}

.card-detail h3 {
  color: var(--accent-soft);
  margin: 0 0 4px;
  font-size: 1.3rem;
}

.card-detail .en-name {
  color: var(--text-muted);
  font-style: italic;
  margin-bottom: 14px;
  font-size: 0.85rem;
}

.card-detail .meaning-block {
  margin-top: 12px;
}

.card-detail .meaning-label {
  font-size: 0.78rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.card-detail .meaning-label.upright { color: var(--upright-glow); }
.card-detail .meaning-label.reversed { color: var(--reversed-glow); }

.card-detail p {
  margin: 0;
  color: var(--text-light);
  line-height: 1.5;
  font-size: 0.92rem;
}

@media (max-width: 520px) {
  .tarot-card {
    width: 92px;
  }
  .card-inner {
    height: 132px;
  }
  .controls {
    padding: 18px;
  }
  .spread-field {
    min-width: 0;
    flex-basis: 100%;
  }
}