/* ============================================
   Tarot — Minimal White Theme
   ============================================ */

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

:root {
  --bg: #fafafa;
  --bg-card: #ffffff;
  --bg-elevated: #ffffff;
  --border: #e0e0e0;
  --border-light: #eeeeee;
  --text: #1a1a1a;
  --text-secondary: #888888;
  --text-muted: #b0b0b0;
  --accent: #1a1a1a;
  --accent-light: #555555;
  --highlight: #000000;
  --red: #c0392b;
  --blue: #5b7fff;
  --card-width: 110px;
  --card-height: 170px;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  font-family: 'Georgia', 'Times New Roman', serif;
  background: var(--bg);
  color: var(--text);
}

body {
  display: flex;
  flex-direction: column;
}

/* --- App Layout --- */
#app {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
}


/* --- Gesture Cursor --- */
.gesture-cursor {
  position: fixed;
  width: 36px;
  height: 36px;
  pointer-events: none;
  z-index: 100;
  display: none;
}

.gesture-cursor.active { display: block; }

.gesture-cursor-ring {
  width: 100%;
  height: 100%;
  border: 1.5px solid var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.15s, border-color 0.15s;
}

.gesture-cursor-ring::after {
  content: '';
  width: 5px;
  height: 5px;
  background: var(--accent);
  border-radius: 50%;
}

.gesture-cursor.grabbing .gesture-cursor-ring {
  background: rgba(0,0,0,0.06);
  transform: scale(0.8);
}

.gesture-cursor.open .gesture-cursor-ring {
  transform: scale(1.3);
  border-style: dashed;
}

/* --- Screen --- */
.screen {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: absolute;
  top: 0;
  left: 0;
  transition: opacity 0.4s ease;
}

.screen.hidden {
  opacity: 0;
  pointer-events: none;
}

/* --- Menu --- */
.menu-title {
  font-size: 2.8rem;
  font-weight: 400;
  color: var(--text);
  margin-bottom: 0.2em;
  letter-spacing: 0.15em;
}

.menu-subtitle {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 3em;
  font-weight: 300;
  letter-spacing: 0.06em;
}

.spread-options {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  justify-content: center;
}

.spread-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px 22px;
  width: 190px;
  cursor: pointer;
  transition: all 0.25s ease;
  text-align: center;
}

.spread-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 6px 24px rgba(0,0,0,0.06);
}

.spread-card-icon {
  font-size: 2rem;
  margin-bottom: 12px;
  filter: grayscale(1);
  opacity: 0.7;
}

.spread-card-name {
  font-size: 1.1rem;
  color: var(--text);
  margin-bottom: 6px;
}

.spread-card-desc {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.spread-card-count {
  margin-top: 12px;
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

/* --- Loading --- */
.loading-container {
  text-align: center;
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
  margin: 0 auto 18px;
}

@keyframes spin { to { transform: rotate(360deg); } }

.loading-text {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* --- Table --- */
.table-screen {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
}

/* --- Instruction Banner --- */
.instruction-banner {
  position: fixed;
  top: 28px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 30px;
  z-index: 60;
  text-align: center;
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
  transition: opacity 0.35s;
}

.instruction-banner.hidden {
  opacity: 0;
  pointer-events: none;
}

.instruction-text {
  color: var(--text);
  font-size: 1rem;
  letter-spacing: 0.02em;
}

.instruction-sub {
  color: var(--text-muted);
  font-size: 0.78rem;
  margin-top: 4px;
}

/* --- Meditation Overlay --- */
.meditation-overlay {
  position: fixed;
  inset: 0;
  z-index: 55;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  transition: opacity 0.4s ease;
}

.meditation-overlay.hidden {
  opacity: 0;
}

.meditation-text {
  font-size: 1.6rem;
  color: var(--text);
  letter-spacing: 0.1em;
  text-align: center;
  padding: 0 24px;
  transition: opacity 0.5s ease;
}

.meditation-text.fading {
  opacity: 0;
}

.meditation-hint {
  position: fixed;
  bottom: 32px;
  font-size: 0.78rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

@media (max-width: 480px) {
  .meditation-text { font-size: 1.2rem; }
}

/* --- Shuffle Area (full-screen scatter) --- */
.shuffle-area {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 10;
  display: none;
  overflow: hidden;
}

.shuffle-area.active {
  display: block;
}

.scatter-card {
  position: absolute;
  width: 70px;
  height: 108px;
  pointer-events: none;
}

.scatter-card .card-back {
  width: 100%;
  height: 100%;
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}

.scatter-card .card-back-pattern {
  width: 78%;
  height: 84%;
  border: 1px solid var(--border);
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.scatter-card .card-back-pattern::before {
  content: '⭐';
  font-size: 1rem;
}

.scatter-card .card-back-pattern::after {
  content: '';
  position: absolute;
  inset: 3px;
  border: 1px solid var(--border-light);
  border-radius: 2px;
}

.scatter-card.gathering {
  transition: left 0.8s cubic-bezier(0.4, 0, 0.2, 1),
              top 0.8s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.8s cubic-bezier(0.4, 0, 0.2, 1),
              opacity 0.6s ease 0.5s;
}

.scatter-card.entering {
  transition: left 0.5s cubic-bezier(0.2, 0.8, 0.3, 1),
              top 0.5s cubic-bezier(0.2, 0.8, 0.3, 1),
              transform 0.5s cubic-bezier(0.2, 0.8, 0.3, 1);
}

/* --- Deck / Fan Area --- */
.deck-area {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 15;
  overflow: hidden;
}

/* Fan card */
.fan-card {
  position: absolute;
  width: var(--card-width);
  height: var(--card-height);
  pointer-events: auto;
  cursor: pointer;
  opacity: 0;
  transform-origin: center center;
  transition: opacity 0.4s ease,
              left 0.5s cubic-bezier(0.4, 0, 0.2, 1),
              top 0.5s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.5s cubic-bezier(0.4, 0, 0.2, 1),
              filter 0.25s ease;
  filter: brightness(0.95);
}

.fan-card.visible {
  opacity: 1;
}

.fan-card.active {
  filter: brightness(1) drop-shadow(0 4px 16px rgba(0,0,0,0.15));
  z-index: 100 !important;
}

.fan-card.drawn {
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

/* --- Card --- */
.card {
  width: var(--card-width);
  height: var(--card-height);
  position: relative;
  perspective: 800px;
}

.card-inner {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.card-face {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  border-radius: 8px;
  overflow: hidden;
}

/* Card Back */
.card-back {
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 1px 6px rgba(0,0,0,0.06);
}

.card-back-pattern {
  width: 78%;
  height: 84%;
  border: 1px solid var(--border);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.card-back-pattern::before {
  content: '⭐';
  font-size: 1.4rem;
}

.card-back-pattern::after {
  content: '';
  position: absolute;
  inset: 5px;
  border: 1px solid var(--border-light);
  border-radius: 3px;
}

/* Card Front */
.card-front {
  background: var(--bg-card);
  border: 1.5px solid var(--accent);
  transform: rotateY(180deg);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 10px 8px;
  box-shadow: 0 1px 6px rgba(0,0,0,0.06);
}

.card-front.reversed {
  transform: rotateY(180deg) rotate(180deg);
}

.card-numeral {
  font-size: 0.65rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
}

.card-symbol {
  font-size: 2rem;
  margin: 6px 0;
  filter: grayscale(1);
  opacity: 0.8;
}

.card-name {
  font-size: 0.65rem;
  color: var(--text-secondary);
  text-align: center;
  letter-spacing: 0.04em;
}

.card-name-cn {
  font-size: 0.85rem;
  color: var(--text);
  margin-top: 2px;
}

.card-keywords {
  margin-top: auto;
  font-size: 0.52rem;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.3;
}

.card-reversed-label {
  font-size: 0.55rem;
  color: var(--red);
  margin-top: 2px;
}

/* --- Spread Slots --- */
.spread-area {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.spread-slot {
  position: absolute;
  width: var(--card-width);
  height: var(--card-height);
  border: 1.5px dashed var(--border);
  border-radius: 8px;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  padding-bottom: 8px;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.spread-slot.highlight {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0,0,0,0.04);
}

.spread-slot.filled {
  border-color: transparent;
}

.spread-slot.crossed {
  transform: translate(-50%, -50%) rotate(90deg);
}

.slot-label {
  font-size: 0.65rem;
  color: var(--text-muted);
  text-align: center;
  position: absolute;
  bottom: -20px;
  white-space: nowrap;
}

.spread-slot.crossed .slot-label {
  transform: rotate(-90deg);
  bottom: auto;
  right: -50px;
}

.spread-slot .card {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: auto;
}


/* --- Floating Card --- */
.floating-card {
  position: fixed;
  z-index: 80;
  pointer-events: none;
  transition: none;
  filter: drop-shadow(0 4px 12px rgba(0,0,0,0.1));
}

.floating-card.animating {
  transition: left 0.4s cubic-bezier(0.4, 0, 0.2, 1),
              top 0.4s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Reading Overlay & Popup --- */
.reading-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}

.reading-overlay.visible {
  opacity: 1;
  pointer-events: auto;
}

.reading-popup {
  background: var(--bg-elevated);
  width: 96%;
  max-width: 880px;
  max-height: 85vh;
  overflow-y: auto;
  border-radius: 16px;
  padding: 28px 28px 24px;
  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.15);
  transform: translateY(30px) scale(0.96);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.reading-overlay.visible .reading-popup {
  transform: translateY(0) scale(1);
}

.reading-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.reading-title {
  font-size: 1.15rem;
  font-weight: 400;
  color: var(--text);
  letter-spacing: 0.05em;
}

.btn-close-reading {
  background: transparent;
  border: none;
  font-size: 1.6rem;
  color: var(--text-muted);
  cursor: pointer;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: background 0.2s, color 0.2s;
  line-height: 1;
}

.btn-close-reading:hover {
  background: var(--border-light);
  color: var(--text);
}

.reading-cards {
  display: grid;
  gap: 14px;
  justify-content: center;
}

.reading-cards[data-count="1"] {
  grid-template-columns: 1fr;
  max-width: 400px;
  margin: 0 auto;
}

.reading-cards[data-count="3"] {
  grid-template-columns: repeat(3, 1fr);
}

.reading-cards[data-count="10"] {
  grid-template-columns: repeat(5, 1fr);
}

.reading-card-item {
  border: 1px solid var(--border-light);
  border-radius: 10px;
  padding: 16px;
}

.reading-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.reading-card-position {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.reading-card-name {
  font-size: 1rem;
  color: var(--text);
}

.reading-card-orientation {
  font-size: 0.65rem;
  color: var(--red);
  margin-left: auto;
}

.reading-card-meaning {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.reading-card-keywords {
  display: flex;
  gap: 5px;
  flex-wrap: wrap;
  margin-top: 10px;
}

.reading-keyword {
  font-size: 0.68rem;
  background: var(--bg);
  color: var(--text-secondary);
  padding: 3px 10px;
  border-radius: 20px;
  border: 1px solid var(--border-light);
}

/* --- App Promo Slot --- */
.reading-ad-slot {
  margin-top: 20px;
  padding: 0;
  border: 2px dashed var(--border);
  border-radius: 10px;
  background: var(--bg);
  overflow: hidden;
}

.app-promo {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 20px;
  text-decoration: none;
  color: inherit;
  transition: background 0.2s;
}

.app-promo:hover {
  background: rgba(0,0,0,0.02);
}

.app-promo-body {
  flex: 1;
  min-width: 0;
  text-align: left;
}

.app-promo-hook {
  font-size: 0.9rem;
  color: var(--text);
  margin-bottom: 4px;
}

.app-promo-desc {
  font-size: 0.72rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.app-promo-badge {
  flex-shrink: 0;
  height: 40px;
  width: auto;
}

/* --- Reading Footer --- */
.reading-footer {
  margin-top: 20px;
  text-align: center;
}

.btn-restart {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 28px;
  border-radius: 6px;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.85rem;
  transition: all 0.2s;
}

.btn-restart:hover {
  background: var(--text);
  color: var(--bg);
}

/* --- Fallback Notice --- */
.fallback-notice {
  position: fixed;
  top: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 18px;
  font-size: 0.78rem;
  color: var(--text-secondary);
  z-index: 90;
  display: none;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

.fallback-notice.visible { display: block; }

/* --- Utility --- */
.hidden:not(.screen) { display: none !important; }

/* --- Site Footer --- */
.site-footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 50;
  text-align: center;
  padding: 10px 16px 14px;
  background: linear-gradient(to top, var(--bg) 60%, transparent);
  pointer-events: none;
}

.site-footer-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 4px;
  pointer-events: auto;
}

.site-footer-link {
  font-size: 0.78rem;
  color: var(--text-secondary);
  text-decoration: none;
  letter-spacing: 0.04em;
  transition: color 0.2s;
}

a.site-footer-link:hover {
  color: var(--text);
}

.site-footer-link.active {
  color: var(--text);
  font-weight: 600;
}

.site-footer-sep {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.site-footer-copy {
  font-size: 0.65rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

/* --- Responsive --- */
@media (max-width: 768px) {
  :root {
    --card-width: 85px;
    --card-height: 132px;
  }
  .menu-title { font-size: 2rem; }
  .spread-options { gap: 12px; }
  .spread-card { width: 155px; padding: 20px 16px; }
  .reading-popup { padding: 20px 18px; }
  .reading-cards[data-count="10"] {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 480px) {
  :root {
    --card-width: 68px;
    --card-height: 106px;
  }
  .menu-title { font-size: 1.6rem; }
  .spread-card { width: 135px; }
  .instruction-banner { padding: 10px 18px; }
  .instruction-text { font-size: 0.88rem; }
  .reading-cards[data-count="3"],
  .reading-cards[data-count="10"] {
    grid-template-columns: 1fr;
  }
}