:root {
  --bg-h: 36;
  --bg-s: 12%;
  --bg-l: 5%;
  --panel: hsl(36 12% 9% / 0.88);
  --panel-strong: hsl(36 14% 11% / 0.95);
  --text: hsl(36 28% 92%);
  --muted: hsl(36 10% 68%);
  --accent: hsl(36 60% 62%);
  --accent-soft: hsl(36 60% 62% / 0.12);
  --line: hsl(36 15% 20% / 0.75);
  --shadow: 0 24px 80px hsl(36 25% 2% / 0.7);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Lora", serif;
  color: var(--text);
  background:
    radial-gradient(circle at top, hsl(36 40% 12% / 0.65), transparent 45%),
    radial-gradient(circle at 20% 20%, hsl(15 45% 10% / 0.5), transparent 35%),
    linear-gradient(180deg, hsl(var(--bg-h) var(--bg-s) 6%), hsl(var(--bg-h) var(--bg-s) var(--bg-l)) 60%, hsl(36 12% 3%));
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(hsl(36 60% 62% / 0.02) 1px, transparent 1px), linear-gradient(90deg, hsl(36 60% 62% / 0.02) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(circle at center, black, transparent 80%);
}

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 360px 1.8fr 1fr;
  gap: 28px;
  padding: 28px;
}

.hero-panel,
.board-panel,
.readings-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.hero-panel {
  padding: 40px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  gap: 22px;
}

.instructions-card {
  background: var(--panel-strong);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-top: auto;
}

.instructions-card h2 {
  font-size: 1.2rem;
  margin: 0 0 8px;
  color: var(--accent);
  font-family: "Cormorant Garamond", serif;
}

.instructions-card p {
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--muted);
  margin: 0;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.24em;
  font-size: 0.76rem;
  color: var(--accent);
}

h1,
h2,
.card-title {
  font-family: "Cormorant Garamond", serif;
}

h1 {
  margin: 0;
  font-size: clamp(3rem, 6vw, 5.2rem);
  line-height: 0.92;
}

.lede,
.detail-grid p,
.card-copy p {
  color: var(--muted);
  line-height: 1.7;
  margin: 0;
}

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

button {
  border: 0;
  border-radius: 999px;
  padding: 14px 20px;
  font: inherit;
  font-weight: 700;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease, color 180ms ease;
}

button:hover {
  transform: translateY(-1px);
}

.primary-btn {
  background: linear-gradient(135deg, hsl(36 75% 65%), hsl(28 65% 48%));
  color: hsl(36 95% 6%);
  box-shadow: 0 12px 28px hsl(28 65% 25% / 0.35);
}

.secondary-btn {
  background: hsl(36 12% 14%);
  color: var(--text);
  border: 1px solid var(--line);
}

.deck-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.deck-meta div,
.detail-grid article {
  background: var(--panel-strong);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 16px 18px;
}

.deck-meta span {
  display: block;
  color: var(--muted);
  font-size: 0.84rem;
  margin-bottom: 6px;
}

.deck-meta strong {
  font-size: 1.4rem;
}

.board-panel {
  padding: 28px;
  display: grid;
  place-items: center;
}

.card-stage {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 24px;
  width: 100%;
  height: 100%;
  min-height: 540px;
  perspective: 1400px;
}

.tarot-card {
  position: relative;
  width: 320px;
  aspect-ratio: 3 / 5;
  transform-style: preserve-3d;
  transition: transform 900ms cubic-bezier(.2,.8,.2,1);
}

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

.card-face {
  position: absolute;
  inset: 0;
  border-radius: 28px;
  overflow: hidden;
  backface-visibility: hidden;
  border: 1px solid hsl(44 40% 55% / 0.28);
  box-shadow: 0 20px 60px hsl(228 60% 4% / 0.65);
}

.card-back {
  background:
    radial-gradient(circle at top, hsl(34 90% 60% / 0.22), transparent 34%),
    linear-gradient(180deg, hsl(228 26% 18%), hsl(228 32% 10%));
  display: grid;
  place-items: center;
}

.card-front {
  transform: rotateY(180deg);
  background: hsl(228 28% 10%);
  position: relative;
}

.card-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.card-back-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.card-glass-top {
  position: absolute;
  top: 24px;
  left: 50%;
  transform: translateX(-50%);
  padding: 6px 20px;
  background: hsl(228 24% 8% / 0.78);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid hsl(var(--card-hue, 34) 90% 60% / 0.28);
  border-radius: 999px;
  box-shadow: 0 4px 12px hsl(0 0% 0% / 0.35);
  z-index: 5;
  white-space: nowrap;
}

.card-glass-bottom {
  position: absolute;
  bottom: 24px;
  left: 20px;
  right: 20px;
  padding: 14px 16px;
  background: hsl(228 24% 8% / 0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid hsl(var(--card-hue, 34) 90% 60% / 0.24);
  border-radius: var(--radius-md);
  box-shadow: 0 8px 24px hsl(0 0% 0% / 0.45);
  z-index: 5;
  text-align: center;
}

.card-number {
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  color: hsl(var(--card-hue, 34) 92% 78%);
}

.card-title {
  font-size: 1.65rem;
  color: hsl(var(--card-hue, 34) 92% 82%);
  margin: 0;
  line-height: 1.2;
  letter-spacing: 0.03em;
}

/* Readings Panel styles */
.readings-panel {
  padding: 40px;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  max-height: calc(100vh - 56px);
}

.readings-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  height: 100%;
  color: var(--muted);
  gap: 16px;
  padding: 40px 20px;
}

.placeholder-symbol {
  font-size: 3.5rem;
  color: var(--accent-soft);
  animation: float-slow 4s ease-in-out infinite;
}

.readings-content {
  display: flex;
  flex-direction: column;
  gap: 28px;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 600ms cubic-bezier(.2,.8,.2,1), transform 600ms cubic-bezier(.2,.8,.2,1);
}

.readings-content.visible {
  opacity: 1;
  transform: translateY(0);
}

.readings-header {
  border-bottom: 2px solid hsl(var(--card-hue, 34) 80% 60% / 0.16);
  padding-bottom: 18px;
  transition: border-color 600ms ease;
}

.readings-number {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.26em;
  color: var(--accent);
  font-weight: 700;
  display: block;
  margin-bottom: 6px;
}

.readings-title {
  font-size: 2.8rem;
  margin: 0;
  color: hsl(var(--card-hue, 34) 92% 82%);
  line-height: 1.1;
  transition: color 600ms ease;
}

.reading-section {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.reading-section h3 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: hsl(var(--card-hue, 34) 92% 74%);
  margin: 0;
  font-weight: 700;
  transition: color 600ms ease;
}

.reading-text {
  font-family: "Cormorant Garamond", serif;
  font-size: 1.25rem;
  line-height: 1.65;
  color: hsl(42 20% 88%);
  margin: 0;
}

.hidden {
  display: none !important;
}

.readings-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line), transparent);
  margin: 12px 0;
}

/* Staggered Flip Animation */
.tarot-card:nth-child(2) {
  transition-delay: 300ms;
}

@keyframes float-slow {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* Synthesis Panel Styles */
.synthesis-panel {
  grid-column: 1 / -1;
  margin-top: 28px;
  animation: fade-in-up 800ms cubic-bezier(.2,.8,.2,1) forwards;
}

.dialectical-analysis-box {
  background: var(--panel-strong);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  padding: 60px;
  display: flex;
  flex-direction: column;
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}

.dialectical-analysis-box::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.synthesis-header {
  text-align: center;
  border-bottom: 1px solid var(--line);
  padding-bottom: 30px;
}

.synthesis-eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.4em;
  font-size: 0.9rem;
  color: var(--accent);
  display: block;
  margin-bottom: 12px;
}

#synthesisTitle {
  font-size: 3.5rem;
  margin: 0;
  color: var(--text);
  line-height: 1.1;
}

.synthesis-text {
  font-size: 1.4rem;
  line-height: 1.8;
  color: hsl(36 15% 85%);
  text-align: justify;
  column-count: 2;
  column-gap: 60px;
  font-family: "Lora", serif;
}

.evidence-section h3 {
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--accent);
  margin: 0 0 24px;
  text-align: center;
}

.evidence-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.evidence-item {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: transform 200ms ease, border-color 200ms ease;
}

.evidence-item:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
}

.evidence-thumb {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--radius-md);
  background: hsl(0 0% 0% / 0.2);
}

.evidence-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.evidence-title {
  font-weight: 600;
  font-size: 1rem;
  color: var(--text);
  font-family: "Cormorant Garamond", serif;
}

.evidence-desc {
  font-size: 0.8rem;
  color: var(--muted);
  line-height: 1.4;
}

.synthesis-actions {
  display: flex;
  justify-content: center;
  padding-top: 20px;
}

@keyframes fade-in-up {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 1400px) {
  .app-shell {
    grid-template-columns: 1fr 1fr;
  }
  .hero-panel {
    grid-column: 1 / -1;
    flex-direction: row;
    align-items: center;
  }
  .instructions-card {
    margin-top: 0;
  }
}

@media (max-width: 900px) {
  .app-shell {
    grid-template-columns: 1fr;
    padding: 16px;
    gap: 16px;
  }
  .hero-panel {
    flex-direction: column;
    padding: 24px;
  }
  .synthesis-text {
    column-count: 1;
  }
  .dialectical-analysis-box {
    padding: 30px;
  }
}