/* === Custom Properties === */
:root {
  --bg: #0a0a1a;
  --bg-card: #12122a;
  --bg-surface: #1a1a3a;
  --text: #e0e0ff;
  --text-dim: #7878aa;
  --accent: #00ffff;
  --accent2: #ff00ff;
  --neon-green: #39ff14;
  --neon-cyan: #00ffff;
  --neon-magenta: #ff00ff;
  --neon-gold: #ffd700;
  --tier-c: #666680;
  --tier-b: #39ff14;
  --tier-a: #00ccff;
  --tier-s: #cc44ff;
  --tier-ss: #ffd700;
  --tier-sss: linear-gradient(90deg, #ff0040, #ff8000, #ffff00, #00ff40, #00ccff, #8000ff, #ff0040);
  --radius: 12px;
  --radius-sm: 8px;
  --transition: 0.3s ease;
  --font-mono: 'Courier New', 'Consolas', monospace;
  --max-width: 480px;
}

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

html, body {
  height: 100%;
  overflow: hidden;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  display: flex;
  flex-direction: column;
  align-items: center;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

/* === Background Grid === */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    linear-gradient(rgba(0, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}

/* === Views === */
.view {
  position: fixed;
  inset: 0;
  bottom: 64px;
  display: flex;
  flex-direction: column;
  align-items: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
  z-index: 1;
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
}

.view.active {
  opacity: 1;
  pointer-events: auto;
}

/* === Collection View === */
.collection-header {
  width: 100%;
  max-width: var(--max-width);
  padding: 16px 16px 8px;
  flex-shrink: 0;
}

.logo {
  font-size: 1.4rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 12px;
  letter-spacing: 1px;
}

.logo .accent {
  color: var(--accent);
  text-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
}

.stats-banner {
  display: flex;
  justify-content: space-around;
  background: var(--bg-surface);
  border-radius: var(--radius);
  padding: 10px 8px;
  margin-bottom: 10px;
  border: 1px solid rgba(0, 255, 255, 0.1);
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.stat-value {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
}

.stat-label {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-dim);
}

.collection-controls {
  display: flex;
  gap: 12px;
  margin-bottom: 8px;
}

.collection-controls label {
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-right: 4px;
}

.collection-controls select {
  background: var(--bg-surface);
  color: var(--text);
  border: 1px solid rgba(0, 255, 255, 0.2);
  border-radius: var(--radius-sm);
  padding: 4px 8px;
  font-size: 0.8rem;
  outline: none;
}

.collection-controls select:focus {
  border-color: var(--accent);
}

.sort-controls, .filter-controls {
  display: flex;
  align-items: center;
}

/* Collection Grid */
.collection-grid {
  width: 100%;
  max-width: var(--max-width);
  padding: 8px 16px 16px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  align-content: start;
}

.empty-collection {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  color: var(--text-dim);
  text-align: center;
  gap: 8px;
  padding: 40px 20px;
}

.empty-collection.visible {
  display: flex;
}

.hint {
  font-size: 0.85rem;
  opacity: 0.6;
}

/* Mini Cards in Collection */
.mini-card {
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  padding: 10px 6px;
  text-align: center;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.mini-card:active {
  transform: scale(0.95);
}

.mini-card .mini-number {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 700;
  display: block;
  margin-bottom: 4px;
  word-break: break-all;
}

.mini-card .mini-tier {
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 1px;
  display: inline-block;
  padding: 1px 5px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.1);
}

.mini-card .mini-fav {
  position: absolute;
  top: 3px;
  right: 3px;
  font-size: 0.6rem;
  opacity: 0.8;
}

.mini-card .mini-count {
  position: absolute;
  top: 3px;
  left: 3px;
  font-size: 0.55rem;
  color: var(--text-dim);
}

/* Tier-specific mini card styling */
.mini-card.tier-c { border-color: rgba(102, 102, 128, 0.3); }
.mini-card.tier-c .mini-number { color: var(--tier-c); }
.mini-card.tier-c .mini-tier { color: var(--tier-c); }

.mini-card.tier-b { border-color: rgba(57, 255, 20, 0.2); }
.mini-card.tier-b .mini-number { color: var(--tier-b); }
.mini-card.tier-b .mini-tier { color: var(--tier-b); }

.mini-card.tier-a { border-color: rgba(0, 204, 255, 0.2); }
.mini-card.tier-a .mini-number { color: var(--tier-a); }
.mini-card.tier-a .mini-tier { color: var(--tier-a); }

.mini-card.tier-s {
  border-color: rgba(204, 68, 255, 0.3);
  box-shadow: 0 0 8px rgba(204, 68, 255, 0.15);
}
.mini-card.tier-s .mini-number { color: var(--tier-s); }
.mini-card.tier-s .mini-tier { color: var(--tier-s); }

.mini-card.tier-ss {
  border-color: rgba(255, 215, 0, 0.3);
  box-shadow: 0 0 12px rgba(255, 215, 0, 0.15);
}
.mini-card.tier-ss .mini-number { color: var(--tier-ss); }
.mini-card.tier-ss .mini-tier { color: var(--tier-ss); }

.mini-card.tier-sss {
  border-image: var(--tier-sss) 1;
  box-shadow: 0 0 15px rgba(255, 0, 128, 0.2), 0 0 15px rgba(0, 255, 255, 0.2);
  animation: rainbow-border 3s linear infinite;
}
.mini-card.tier-sss .mini-number {
  background: var(--tier-sss);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  background-size: 200% 100%;
  animation: rainbow-text 3s linear infinite;
}
.mini-card.tier-sss .mini-tier {
  background: var(--tier-sss);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  background-size: 200% 100%;
  animation: rainbow-text 3s linear infinite;
}

/* === Spinner View === */
.spinner-container {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
  width: 100%;
}

.spinner-window {
  width: 90%;
  max-width: 320px;
  height: 300px;
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  border: 2px solid rgba(0, 255, 255, 0.3);
  background: var(--bg-card);
  box-shadow: 0 0 30px rgba(0, 255, 255, 0.1), inset 0 0 30px rgba(0, 0, 0, 0.5);
}

.spinner-reel {
  position: absolute;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  will-change: transform;
}

.spinner-reel .spinner-number {
  font-family: var(--font-mono);
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--tier-c);
  height: var(--spinner-item-h, 60px);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* Opaque masks above and below the viewport */
.spinner-mask {
  position: absolute;
  left: 0;
  right: 0;
  z-index: 2;
  pointer-events: none;
}

.spinner-mask-top {
  top: 0;
  height: calc(50% - var(--spinner-item-h, 60px) / 2);
  background: rgba(18, 18, 42, 0.7);
  border-bottom: 2px solid var(--accent);
  box-shadow: 0 2px 12px rgba(0, 255, 255, 0.4);
}

.spinner-mask-bottom {
  bottom: 0;
  height: calc(50% - var(--spinner-item-h, 60px) / 2);
  background: rgba(18, 18, 42, 0.7);
  border-top: 2px solid var(--accent);
  box-shadow: 0 -2px 12px rgba(0, 255, 255, 0.4);
}

/* Clear viewport window in the centre — matches one item height */
.spinner-viewport {
  position: absolute;
  top: calc(50% - var(--spinner-item-h, 60px) / 2);
  left: 0;
  right: 0;
  height: var(--spinner-item-h, 60px);
  z-index: 3;
  pointer-events: none;
  border-left: 3px solid var(--accent);
  border-right: 3px solid var(--accent);
  box-shadow:
    inset 0 0 20px rgba(0, 255, 255, 0.08),
    0 0 20px rgba(0, 255, 255, 0.15);
}

/* === Card Reveal View === */
.card-reveal-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  width: 100%;
  padding: 20px;
  gap: 20px;
}

.reveal-card {
  width: 90%;
  max-width: 360px;
  min-height: 320px;
  border-radius: 16px;
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  position: relative;
  overflow: hidden;
  transform: scale(0.8);
  opacity: 0;
  transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.3s ease;
}

.reveal-card.revealed {
  transform: scale(1);
  opacity: 1;
}

.reveal-card .card-number {
  font-family: var(--font-mono);
  font-size: 3rem;
  font-weight: 900;
  letter-spacing: 2px;
  text-align: center;
  word-break: break-all;
}

.reveal-card .card-tier-badge {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 2px;
  padding: 3px 12px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.1);
}

.reveal-card .card-category {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  opacity: 0.8;
}

.reveal-card .card-flavour {
  font-size: 0.9rem;
  font-style: italic;
  text-align: center;
  opacity: 0.9;
  line-height: 1.4;
  max-width: 280px;
}

.reveal-card .card-quote {
  font-size: 0.8rem;
  text-align: center;
  opacity: 0.6;
  max-width: 260px;
  line-height: 1.3;
}

.reveal-card .card-score {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  opacity: 0.7;
}

.reveal-card .card-fav-btn {
  position: absolute;
  top: 12px;
  right: 12px;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  opacity: 0.5;
  transition: opacity 0.2s, transform 0.2s;
  z-index: 5;
  padding: 4px;
  line-height: 1;
}

.reveal-card .card-fav-btn:hover,
.reveal-card .card-fav-btn.active {
  opacity: 1;
  transform: scale(1.2);
}

/* Tier-specific card styling */
.reveal-card.tier-c {
  background: linear-gradient(135deg, #1a1a2e, #16213e);
  border: 1px solid rgba(102, 102, 128, 0.3);
}
.reveal-card.tier-c .card-number { color: var(--tier-c); }
.reveal-card.tier-c .card-tier-badge { color: var(--tier-c); }

.reveal-card.tier-b {
  background: linear-gradient(135deg, #0a1a0a, #0d2a1a);
  border: 1px solid rgba(57, 255, 20, 0.3);
}
.reveal-card.tier-b .card-number {
  color: var(--tier-b);
  text-shadow: 0 0 10px rgba(57, 255, 20, 0.3);
}
.reveal-card.tier-b .card-tier-badge { color: var(--tier-b); }

.reveal-card.tier-a {
  background: linear-gradient(135deg, #0a1520, #0d2540);
  border: 1px solid rgba(0, 204, 255, 0.3);
  box-shadow: 0 0 20px rgba(0, 204, 255, 0.1);
}
.reveal-card.tier-a .card-number {
  color: var(--tier-a);
  text-shadow: 0 0 15px rgba(0, 204, 255, 0.4);
}
.reveal-card.tier-a .card-tier-badge { color: var(--tier-a); }

.reveal-card.tier-s {
  background: linear-gradient(135deg, #1a0a2a, #2a0d40);
  border: 1px solid rgba(204, 68, 255, 0.4);
  box-shadow: 0 0 25px rgba(204, 68, 255, 0.15);
}
.reveal-card.tier-s .card-number {
  color: var(--tier-s);
  text-shadow: 0 0 20px rgba(204, 68, 255, 0.5);
}
.reveal-card.tier-s .card-tier-badge { color: var(--tier-s); }
.reveal-card.tier-s::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 40%, rgba(204, 68, 255, 0.05) 50%, transparent 60%);
  background-size: 200% 200%;
  animation: shimmer 3s ease-in-out infinite;
}

.reveal-card.tier-ss {
  background: linear-gradient(135deg, #1a1500, #2a2000);
  border: 2px solid rgba(255, 215, 0, 0.5);
  box-shadow: 0 0 30px rgba(255, 215, 0, 0.2), 0 0 60px rgba(255, 215, 0, 0.1);
}
.reveal-card.tier-ss .card-number {
  color: var(--tier-ss);
  text-shadow: 0 0 25px rgba(255, 215, 0, 0.6);
}
.reveal-card.tier-ss .card-tier-badge { color: var(--tier-ss); }
.reveal-card.tier-ss::before {
  content: '';
  position: absolute;
  inset: -2px;
  background: linear-gradient(135deg, transparent 30%, rgba(255, 215, 0, 0.08) 50%, transparent 70%);
  background-size: 300% 300%;
  animation: shimmer 2s ease-in-out infinite;
}

.reveal-card.tier-sss {
  background: linear-gradient(135deg, #1a0a1a, #0a1a2a);
  border: 3px solid transparent;
  background-clip: padding-box;
  position: relative;
}
.reveal-card.tier-sss::before {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 18px;
  background: var(--tier-sss);
  background-size: 400% 100%;
  animation: rainbow-border 2s linear infinite;
  z-index: -1;
}
.reveal-card.tier-sss::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 16px;
  background: linear-gradient(135deg, #1a0a1a, #0a1a2a);
  z-index: -1;
}
.reveal-card.tier-sss .card-number {
  background: var(--tier-sss);
  background-size: 400% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: rainbow-text 2s linear infinite;
  font-size: 3.5rem;
}
.reveal-card.tier-sss .card-tier-badge {
  background: var(--tier-sss);
  background-size: 400% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: rainbow-text 2s linear infinite;
}
.reveal-card.tier-sss .sparkle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: white;
  border-radius: 50%;
  animation: sparkle 1.5s ease-in-out infinite;
  box-shadow: 0 0 6px white;
}

/* === Buttons === */
.btn {
  padding: 12px 24px;
  border: none;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
}

.btn:active {
  transform: scale(0.95);
}

.btn-pull {
  background: linear-gradient(135deg, var(--accent), #00aacc);
  color: var(--bg);
  box-shadow: 0 0 20px rgba(0, 255, 255, 0.3);
  letter-spacing: 2px;
}

.btn-pull:hover {
  box-shadow: 0 0 30px rgba(0, 255, 255, 0.5);
}

.btn-secondary {
  background: var(--bg-surface);
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-small {
  padding: 6px 12px;
  font-size: 0.8rem;
}

.reveal-actions {
  display: flex;
  gap: 12px;
  align-items: center;
}

/* === Bottom Bar === */
.bottom-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 64px;
  background: rgba(10, 10, 26, 0.95);
  backdrop-filter: blur(10px);
  border-top: 1px solid rgba(0, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: space-around;
  z-index: 10;
  padding: 0 8px;
}

.nav-btn {
  background: none;
  border: none;
  color: var(--text-dim);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  font-size: 0.6rem;
  cursor: pointer;
  padding: 8px 12px;
  transition: color var(--transition);
}

.nav-btn.active {
  color: var(--accent);
}

.nav-btn svg {
  width: 22px;
  height: 22px;
}

.pull-btn {
  background: linear-gradient(135deg, var(--accent), #00aacc);
  color: var(--bg);
  border: none;
  border-radius: 30px;
  padding: 12px 32px;
  font-size: 1.1rem;
  font-weight: 900;
  letter-spacing: 3px;
  cursor: pointer;
  box-shadow: 0 0 25px rgba(0, 255, 255, 0.4);
  transition: transform 0.15s, box-shadow 0.15s;
}

.pull-btn:active {
  transform: scale(0.92);
}

.pull-btn:hover {
  box-shadow: 0 0 35px rgba(0, 255, 255, 0.6);
}

.pull-btn:disabled {
  opacity: 0.4;
  pointer-events: none;
}

/* === Dev Mode === */
.dev-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  justify-content: center;
  padding: 12px;
}

.dev-overlay.hidden {
  display: none;
}

.dev-input-container {
  background: rgba(10, 10, 26, 0.95);
  border: 1px solid var(--accent2);
  border-radius: var(--radius);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  flex-wrap: wrap;
}

.dev-input-container label {
  color: var(--accent2);
  font-size: 0.75rem;
  width: 100%;
}

.dev-input-container input {
  background: var(--bg-surface);
  color: var(--text);
  border: 1px solid rgba(255, 0, 255, 0.3);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  width: 120px;
  outline: none;
}

.dev-input-container input:focus {
  border-color: var(--accent2);
}

.dev-badge {
  position: fixed;
  top: 8px;
  right: 8px;
  background: var(--accent2);
  color: var(--bg);
  font-size: 0.6rem;
  font-weight: 900;
  padding: 2px 6px;
  border-radius: 4px;
  z-index: 99;
  letter-spacing: 1px;
}

.dev-badge.hidden {
  display: none;
}

/* === Animations === */
@keyframes shimmer {
  0% { background-position: -200% -200%; }
  100% { background-position: 200% 200%; }
}

@keyframes rainbow-border {
  0% { background-position: 0% 50%; }
  100% { background-position: 400% 50%; }
}

@keyframes rainbow-text {
  0% { background-position: 0% 50%; }
  100% { background-position: 400% 50%; }
}

@keyframes sparkle {
  0%, 100% { opacity: 0; transform: scale(0); }
  50% { opacity: 1; transform: scale(1); }
}

@keyframes card-glow-pulse {
  0%, 100% { box-shadow: 0 0 30px rgba(255, 215, 0, 0.2); }
  50% { box-shadow: 0 0 50px rgba(255, 215, 0, 0.4); }
}

@keyframes float-up {
  0% { transform: translateY(20px); opacity: 0; }
  100% { transform: translateY(0); opacity: 1; }
}

/* Utility */
.hidden { display: none !important; }

/* === Scrollbar === */
.view::-webkit-scrollbar {
  width: 4px;
}

.view::-webkit-scrollbar-track {
  background: transparent;
}

.view::-webkit-scrollbar-thumb {
  background: rgba(0, 255, 255, 0.2);
  border-radius: 2px;
}

/* === Responsive === */
@media (min-width: 600px) {
  .collection-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .spinner-window {
    height: 360px;
    --spinner-item-h: 72px;
  }

  .spinner-reel .spinner-number {
    font-size: 3.5rem;
  }
}

@media (min-width: 900px) {
  .collection-grid {
    grid-template-columns: repeat(5, 1fr);
    max-width: 600px;
  }
}