/* === Base Reset & Variables === */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg-dark: #0d0d1a;
  --bg-card: #1a1a2e;
  --gold: #d4a832;
  --gold-light: #f0d060;
  --gold-dim: #8b7530;
  --text-light: #f0e6c8;
  --text-muted: #9a8e7a;
  --accent-red: #c94040;
  --accent-blue: #4a6fa5;
  --accent-green: #4a8c5c;
  --font-title: 'Cinzel', serif;
  --font-body: 'Cormorant Garamond', serif;
  --card-width: 140px;
  --card-height: 224px;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  background: var(--bg-dark);
  color: var(--text-light);
  font-family: var(--font-body);
  font-size: 1.1rem;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-image:
    radial-gradient(ellipse at 20% 50%, rgba(212,168,50,0.03) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 50%, rgba(74,111,165,0.03) 0%, transparent 50%);
}

/* === Header === */
header {
  border-bottom: 1px solid rgba(212,168,50,0.2);
  padding: 1rem 2rem;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-family: var(--font-title);
  font-size: 1.4rem;
  color: var(--gold);
  cursor: pointer;
  letter-spacing: 3px;
  text-shadow: 0 0 20px rgba(212,168,50,0.3);
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.ambient-btn {
  background: transparent;
  border: 1px solid var(--gold-dim);
  color: var(--text-muted);
  width: 32px;
  height: 32px;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ambient-btn.active {
  background: rgba(212,168,50,0.15);
  border-color: var(--gold);
  color: var(--gold);
  box-shadow: 0 0 12px rgba(212,168,50,0.2);
}

.ambient-btn:hover:not(.active) {
  border-color: var(--gold);
  color: var(--gold);
}

.lang-toggle {
  display: flex;
  gap: 0.3rem;
}

.lang-btn {
  background: rgba(212,168,50,0.08);
  border: 1px solid var(--gold-dim);
  color: var(--text-muted);
  padding: 0.3rem 0.75rem;
  font-family: var(--font-title);
  font-size: 0.75rem;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  letter-spacing: 1px;
  border-radius: 12px;
  backdrop-filter: blur(6px);
}

.lang-btn.active {
  background: linear-gradient(135deg, var(--gold), #e8c44a);
  color: var(--bg-dark);
  border-color: var(--gold);
  box-shadow: 0 0 10px rgba(212,168,50,0.25);
}

.lang-btn:hover:not(.active) {
  border-color: var(--gold);
  color: var(--gold);
  background: rgba(212,168,50,0.15);
  transform: translateY(-1px);
}

/* === Main Content === */
main {
  flex: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1rem;
  width: 100%;
}

/* === Footer === */
footer {
  text-align: center;
  padding: 1.5rem;
  border-top: 1px solid rgba(212,168,50,0.1);
}

.footer-ornament {
  color: var(--gold-dim);
  font-size: 0.9rem;
  letter-spacing: 8px;
  opacity: 0.5;
}

/* === Home Screen === */
.home-screen {
  text-align: center;
  padding-top: 3rem;
}

.title-section {
  margin-bottom: 3rem;
}

.main-title {
  font-family: var(--font-title);
  font-size: 3rem;
  color: var(--gold);
  letter-spacing: 6px;
  text-shadow: 0 0 40px rgba(212,168,50,0.2);
  margin-bottom: 0.5rem;
}

.subtitle {
  font-size: 1.3rem;
  color: var(--text-muted);
  font-style: italic;
}

.title-ornament {
  margin-top: 1rem;
  color: var(--gold-dim);
  letter-spacing: 8px;
  font-size: 1rem;
  opacity: 0.6;
}

/* Starfield canvas */
#starfield {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.home-screen {
  position: relative;
  z-index: 1;
}

/* Intro text */
.intro-text {
  max-width: 520px;
  margin: 0 auto 2.5rem;
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.8;
  font-style: italic;
}

/* Decorative card fan */
.card-fan-display {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 180px;
  margin-bottom: 2.5rem;
  position: relative;
}

.fan-card {
  width: 90px;
  position: absolute;
  transition: transform 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
  opacity: 0.7;
}

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

/* Daily card section */
.daily-card-section {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(212,168,50,0.1);
}

.daily-card-section h2 {
  font-family: var(--font-title);
  font-size: 1.2rem;
  color: var(--gold);
  letter-spacing: 2px;
  margin-bottom: 0.3rem;
}

.daily-hint {
  color: var(--text-muted);
  font-style: italic;
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.daily-card-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.daily-card-display {
  width: 140px;
  height: 224px;
  cursor: pointer;
  transition: transform 0.3s;
  flex-shrink: 0;
}

.daily-card-display:hover {
  transform: scale(1.05);
}

.daily-card-display.card-reversed {
  transform: rotate(180deg);
}

.daily-card-display.card-reversed:hover {
  transform: rotate(180deg) scale(1.05);
}

.daily-card-display .card-svg {
  width: 100%;
  height: 100%;
}

.daily-card-info {
  text-align: left;
  max-width: 320px;
}

.daily-card-info h3 {
  font-family: var(--font-title);
  color: var(--gold);
  font-size: 1.1rem;
  letter-spacing: 1px;
  margin-bottom: 0.4rem;
}

.daily-card-info .card-status {
  display: inline-block;
  margin-bottom: 0.8rem;
}

.daily-meaning {
  line-height: 1.7;
  margin-bottom: 0.6rem;
  color: var(--text-light);
}

.daily-keywords {
  color: var(--gold-dim);
  font-size: 0.9rem;
  letter-spacing: 0.5px;
}

/* Deck info footer */
.deck-info {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(212,168,50,0.1);
  color: var(--gold-dim);
  font-family: var(--font-title);
  font-size: 0.8rem;
  letter-spacing: 2px;
  opacity: 0.6;
}

.spread-selection {
  margin-top: 0.5rem;
}

.spread-selection h2 {
  font-family: var(--font-title);
  font-size: 1.2rem;
  color: var(--gold);
  letter-spacing: 2px;
  margin-bottom: 1.5rem;
}

.spread-buttons {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

.spread-btn {
  background: linear-gradient(145deg, rgba(26,26,46,0.95), rgba(42,24,88,0.5));
  border: 1px solid rgba(212,168,50,0.25);
  color: var(--text-light);
  padding: 2rem 2.5rem;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  width: 260px;
  position: relative;
  overflow: hidden;
  border-radius: 20px;
  backdrop-filter: blur(8px);
}

.spread-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 20px;
  background: radial-gradient(circle at 50% 120%, rgba(212,168,50,0.12) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.4s;
}

.spread-btn::after {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(212,168,50,0.3), transparent 40%, transparent 60%, rgba(212,168,50,0.15));
  z-index: -1;
  opacity: 0;
  transition: opacity 0.4s;
}

.spread-btn:hover::before,
.spread-btn:hover::after {
  opacity: 1;
}

.spread-btn:hover {
  border-color: var(--gold);
  transform: translateY(-4px) scale(1.02);
  box-shadow:
    0 12px 40px rgba(212,168,50,0.12),
    0 0 20px rgba(212,168,50,0.06),
    inset 0 1px 0 rgba(212,168,50,0.1);
}

.spread-btn:active {
  transform: translateY(-1px) scale(0.99);
  transition-duration: 0.1s;
}

.spread-name {
  font-family: var(--font-title);
  font-size: 1.1rem;
  color: var(--gold);
  letter-spacing: 1px;
}

.spread-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  font-style: italic;
}

.spread-count {
  font-size: 0.75rem;
  color: var(--gold-dim);
  margin-top: 0.3rem;
  padding: 0.2rem 0.8rem;
  border: 1px solid rgba(212,168,50,0.15);
  border-radius: 12px;
  letter-spacing: 0.5px;
}

/* === Shuffle Animation === */
.shuffle-screen {
  text-align: center;
  padding-top: 6rem;
}

.shuffle-deck {
  position: relative;
  width: 120px;
  height: 200px;
  margin: 0 auto;
}

.shuffle-card {
  width: 120px;
  position: absolute;
  top: 0;
  left: 0;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Stacked with slight offsets */
.shuffle-card.s0 { transform: rotate(-1deg);   z-index: 7; }
.shuffle-card.s1 { transform: rotate(1.5deg)  translateY(-2px); z-index: 6; }
.shuffle-card.s2 { transform: rotate(-0.5deg) translateY(-4px); z-index: 5; }
.shuffle-card.s3 { transform: rotate(0.8deg)  translateY(-6px); z-index: 4; }
.shuffle-card.s4 { transform: rotate(-1.2deg) translateY(-8px); z-index: 3; }
.shuffle-card.s5 { transform: rotate(0.3deg)  translateY(-10px); z-index: 2; }
.shuffle-card.s6 { transform: rotate(-0.7deg) translateY(-12px); z-index: 1; }

/* Fan out phase - cards spread into arc */
.shuffle-card.fan-out {
  transition: transform 0.7s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.shuffle-card.fan-out.s0 { transform: rotate(-24deg) translateX(-110px) translateY(-10px); }
.shuffle-card.fan-out.s1 { transform: rotate(-16deg) translateX(-72px)  translateY(-30px); }
.shuffle-card.fan-out.s2 { transform: rotate(-8deg)  translateX(-35px)  translateY(-40px); }
.shuffle-card.fan-out.s3 { transform: rotate(0deg)   translateX(0)      translateY(-45px); }
.shuffle-card.fan-out.s4 { transform: rotate(8deg)   translateX(35px)   translateY(-40px); }
.shuffle-card.fan-out.s5 { transform: rotate(16deg)  translateX(72px)   translateY(-30px); }
.shuffle-card.fan-out.s6 { transform: rotate(24deg)  translateX(110px)  translateY(-10px); }

/* Collect phase - cards come back together */
.shuffle-card.collect {
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  transform: rotate(0deg) translateX(0) translateY(0);
}

.shuffle-text {
  margin-top: 2rem;
  font-family: var(--font-title);
  color: var(--gold);
  letter-spacing: 3px;
  font-size: 1.1rem;
}

/* === Reading Screen === */
.reading-screen {
  text-align: center;
}

.reading-header h2 {
  font-family: var(--font-title);
  color: var(--gold);
  letter-spacing: 2px;
  margin-bottom: 0.5rem;
}

.hint-text {
  color: var(--text-muted);
  font-style: italic;
  margin-bottom: 2rem;
  font-size: 1rem;
}

/* === Card Layouts === */
.three-card-layout {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
  padding: 1rem 0;
}

.celtic-cross-layout {
  display: grid;
  grid-template-columns: repeat(6, var(--card-width));
  grid-template-rows: repeat(4, auto);
  gap: 1rem;
  justify-content: center;
  align-items: center;
  padding: 1rem 0;
  max-width: 100%;
  overflow-x: auto;
}

/* Celtic Cross positions */
.celtic-pos-0 { grid-column: 2; grid-row: 2; }
.celtic-pos-1 { grid-column: 3; grid-row: 2; z-index: 2; }
.celtic-pos-2 { grid-column: 2; grid-row: 3; }
.celtic-pos-3 { grid-column: 1; grid-row: 2; }
.celtic-pos-4 { grid-column: 2; grid-row: 1; }
.celtic-pos-5 { grid-column: 3; grid-row: 3; }
.celtic-pos-6 { grid-column: 5; grid-row: 4; }
.celtic-pos-7 { grid-column: 5; grid-row: 3; }
.celtic-pos-8 { grid-column: 5; grid-row: 2; }
.celtic-pos-9 { grid-column: 5; grid-row: 1; }

/* === Card Slot === */
.card-slot {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.card-container {
  width: var(--card-width);
  height: var(--card-height);
  perspective: 800px;
  cursor: pointer;
  transition: transform 0.3s;
}

.card-container:hover {
  transform: scale(1.05);
}

.card-inner {
  width: 100%;
  height: 100%;
  position: relative;
  transition: transform 0.6s ease;
  transform-style: preserve-3d;
}

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

.card-front, .card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  border-radius: 12px;
  overflow: hidden;
}

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

.card-back {
  transform: rotateY(0deg);
}

.card-svg {
  width: 100%;
  height: 100%;
  display: block;
}

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

.cross-card .card-container {
  transform: rotate(90deg);
}

.position-label {
  font-family: var(--font-title);
  font-size: 0.7rem;
  color: var(--gold-dim);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.card-status {
  font-size: 0.75rem;
  padding: 0.15rem 0.5rem;
  border-radius: 3px;
  letter-spacing: 0.5px;
}

.card-status.reversed {
  color: var(--accent-red);
  border: 1px solid var(--accent-red);
}

.card-status.upright {
  color: var(--accent-green);
  border: 1px solid var(--accent-green);
}

/* === New Reading Button === */
.btn-new-reading {
  margin-top: 2rem;
  background: rgba(212,168,50,0.08);
  border: 1px solid var(--gold-dim);
  color: var(--gold);
  padding: 0.8rem 2.5rem;
  font-family: var(--font-title);
  font-size: 0.9rem;
  letter-spacing: 2px;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  border-radius: 20px;
  backdrop-filter: blur(8px);
  position: relative;
}

.btn-new-reading:hover {
  background: linear-gradient(135deg, var(--gold), #e8c44a);
  color: var(--bg-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(212,168,50,0.3);
}

.btn-new-reading:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(212,168,50,0.2);
}

/* === Interpretation === */
.interpretation-section {
  margin-top: 2.5rem;
  padding: 2rem;
  border: 1px solid rgba(212,168,50,0.2);
  background: linear-gradient(135deg, rgba(26,26,46,0.8), rgba(13,13,26,0.9));
  text-align: left;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.interpretation-section h3 {
  font-family: var(--font-title);
  color: var(--gold);
  letter-spacing: 2px;
  margin-bottom: 1rem;
  text-align: center;
}

.interpretation-text {
  line-height: 1.8;
  color: var(--text-light);
  font-size: 1.05rem;
}

.interp-card {
  margin-bottom: 1.2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(212,168,50,0.1);
}

.interp-card:last-of-type {
  border-bottom: none;
}

.interp-card strong {
  color: var(--gold);
  font-family: var(--font-title);
  font-size: 0.9rem;
  letter-spacing: 0.5px;
}

.interp-card .card-status {
  margin-left: 0.5rem;
  font-size: 0.7rem;
  vertical-align: middle;
}

.interp-card p {
  margin-top: 0.4rem;
  line-height: 1.7;
}

.interp-summary {
  margin-top: 1.5rem;
  padding-top: 1.2rem;
  border-top: 1px solid rgba(212,168,50,0.3);
  font-style: italic;
  line-height: 1.8;
}

.interpretation-loading {
  text-align: center;
  padding: 2rem;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 2px solid rgba(212,168,50,0.2);
  border-top-color: var(--gold);
  border-radius: 50%;
  margin: 0 auto 1rem;
  animation: spin 1s linear infinite;
}

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

/* === Card Detail Modal === */
.card-detail-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 1rem;
  animation: fadeIn 0.3s;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.card-detail-modal {
  background: linear-gradient(135deg, #1a1a2e, #0d0d1a);
  border: 1px solid var(--gold-dim);
  padding: 2rem;
  max-width: 500px;
  width: 100%;
  position: relative;
  max-height: 90vh;
  overflow-y: auto;
}

.close-btn {
  position: absolute;
  top: 0.5rem;
  right: 1rem;
  background: none;
  border: none;
  color: var(--gold);
  font-size: 2rem;
  cursor: pointer;
  line-height: 1;
}

.detail-card-display {
  width: 160px;
  height: 256px;
  margin: 0 auto 1.5rem;
}

.detail-card-display.card-reversed {
  transform: rotate(180deg);
}

.detail-card-display .card-svg {
  width: 100%;
  height: 100%;
}

.detail-info h2 {
  font-family: var(--font-title);
  color: var(--gold);
  text-align: center;
  margin-bottom: 0.5rem;
  letter-spacing: 1px;
}

.detail-status {
  display: block;
  text-align: center;
  font-size: 0.85rem;
  padding: 0.2rem 0.8rem;
  margin: 0 auto 1rem;
  width: fit-content;
  border-radius: 3px;
}

.detail-status.reversed {
  color: var(--accent-red);
  border: 1px solid var(--accent-red);
}

.detail-status.upright {
  color: var(--accent-green);
  border: 1px solid var(--accent-green);
}

.detail-position,
.detail-meaning,
.detail-keywords {
  margin-bottom: 1rem;
  line-height: 1.6;
}

.detail-position strong,
.detail-meaning strong,
.detail-keywords strong {
  color: var(--gold);
  font-family: var(--font-title);
  font-size: 0.8rem;
  letter-spacing: 1px;
  display: block;
  margin-bottom: 0.25rem;
}

/* === Responsive === */
@media (max-width: 900px) {
  .celtic-cross-layout {
    grid-template-columns: repeat(4, var(--card-width));
    font-size: 0.9rem;
  }

  .celtic-pos-0 { grid-column: 1; grid-row: 2; }
  .celtic-pos-1 { grid-column: 2; grid-row: 2; }
  .celtic-pos-2 { grid-column: 1; grid-row: 3; }
  .celtic-pos-3 { grid-column: 1; grid-row: 1; }
  .celtic-pos-4 { grid-column: 2; grid-row: 1; }
  .celtic-pos-5 { grid-column: 2; grid-row: 3; }
  .celtic-pos-6 { grid-column: 4; grid-row: 4; }
  .celtic-pos-7 { grid-column: 4; grid-row: 3; }
  .celtic-pos-8 { grid-column: 4; grid-row: 2; }
  .celtic-pos-9 { grid-column: 4; grid-row: 1; }
}

@media (max-width: 600px) {
  :root {
    --card-width: 110px;
    --card-height: 176px;
  }

  .main-title {
    font-size: 2rem;
    letter-spacing: 3px;
  }

  .subtitle {
    font-size: 1rem;
  }

  .spread-btn {
    min-width: 180px;
    padding: 1.5rem;
  }

  .three-card-layout {
    gap: 1rem;
  }

  .celtic-cross-layout {
    grid-template-columns: repeat(3, var(--card-width));
    gap: 0.5rem;
  }

  .celtic-pos-0 { grid-column: 1; grid-row: 2; }
  .celtic-pos-1 { grid-column: 2; grid-row: 2; }
  .celtic-pos-2 { grid-column: 1; grid-row: 3; }
  .celtic-pos-3 { grid-column: 1; grid-row: 1; }
  .celtic-pos-4 { grid-column: 2; grid-row: 1; }
  .celtic-pos-5 { grid-column: 2; grid-row: 3; }
  .celtic-pos-6 { grid-column: 3; grid-row: 4; }
  .celtic-pos-7 { grid-column: 3; grid-row: 3; }
  .celtic-pos-8 { grid-column: 3; grid-row: 2; }
  .celtic-pos-9 { grid-column: 3; grid-row: 1; }

  header {
    padding: 0.75rem 1rem;
  }

  .card-detail-modal {
    padding: 1.5rem;
  }

  .interpretation-section {
    padding: 1.5rem;
  }
}