/* ═══════════════════════════════════════════════════════════════════════════
   LOCKET ADVENT CALENDAR — STYLES
   Dark elegant theme with gold/amber locket accents
   ═══════════════════════════════════════════════════════════════════════════ */

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

:root {
  /* Gold palette */
  --gold-100: #fef3c7;
  --gold-200: #fde68a;
  --gold-300: #fcd34d;
  --gold-400: #f9b72b;
  --gold-500: #d4981a;
  --gold-600: #b07d14;
  --gold-700: #8b6510;
  --gold-800: #6b4f0e;

  /* Dark palette */
  --bg-deep: #0a0a12;
  --bg-surface: #12121e;
  --bg-card: #1a1a2e;
  --bg-elevated: #22223a;

  /* Text */
  --text-primary: #f0e6d3;
  --text-secondary: #a09882;
  --text-muted: #6b6357;

  /* Accent */
  --accent-glow: rgba(249, 183, 43, 0.25);
  --accent-glow-strong: rgba(249, 183, 43, 0.5);

  /* Wildcard */
  --wc-purple: #9b59b6;
  --wc-purple-glow: rgba(155, 89, 182, 0.3);

  /* Misc */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --shadow-glow: 0 0 30px var(--accent-glow), 0 0 60px rgba(249, 183, 43, 0.1);
  --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-deep);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* ─── Animated Star Background ───────────────────────────────────────────── */
.stars {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.star {
  position: absolute;
  width: 2px;
  height: 2px;
  background: var(--gold-200);
  border-radius: 50%;
  animation: twinkle var(--duration) ease-in-out infinite;
  opacity: 0;
}

@keyframes twinkle {
  0%, 100% { opacity: 0; transform: scale(0.5); }
  50% { opacity: var(--max-opacity); transform: scale(1); }
}

/* ─── Header ─────────────────────────────────────────────────────────────── */
.header {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 3rem 1.5rem 2rem;
}

.header-ornament {
  color: var(--gold-400);
  font-size: 1.25rem;
  letter-spacing: 0.5em;
  margin: 0.5rem 0;
  opacity: 0.7;
}

.title {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: clamp(2.2rem, 6vw, 4rem);
  font-weight: 900;
  background: linear-gradient(135deg, var(--gold-200), var(--gold-400), var(--gold-200));
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 4s ease-in-out infinite;
  line-height: 1.1;
  margin: 0.25rem 0;
}

@keyframes shimmer {
  0%, 100% { background-position: 0% center; }
  50% { background-position: 200% center; }
}

.subtitle {
  font-size: clamp(0.85rem, 2vw, 1.1rem);
  color: var(--text-secondary);
  font-weight: 300;
  letter-spacing: 0.05em;
  margin-top: 0.5rem;
}

/* ─── Main Layout ────────────────────────────────────────────────────────── */
.main {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin: 0 auto;
  padding: 1rem 1.5rem 4rem;
}

/* ─── Days Grid ──────────────────────────────────────────────────────────── */
.days-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1.5rem;
  justify-items: center;
}

/* ─── Locket ─────────────────────────────────────────────────────────────── */
.locket {
  position: relative;
  width: 170px;
  height: 200px;
  cursor: pointer;
  perspective: 800px;
  transition: transform var(--transition-smooth);
}

.locket:hover {
  transform: translateY(-6px);
}

.locket-inner {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
  overflow: hidden;
  transition: box-shadow var(--transition-smooth), transform var(--transition-smooth);
}

/* Metallic locket face */
.locket-face {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background:
    radial-gradient(ellipse at 35% 25%, rgba(253, 230, 138, 0.35) 0%, transparent 50%),
    linear-gradient(160deg, var(--gold-700) 0%, var(--gold-800) 30%, #4a3a0a 60%, var(--gold-700) 100%);
  border: 2px solid var(--gold-600);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  transition: all var(--transition-smooth);
}

/* Engraved border ring */
.locket-face::before {
  content: '';
  position: absolute;
  inset: 6px;
  border-radius: inherit;
  border: 1px solid rgba(253, 230, 138, 0.2);
  pointer-events: none;
}

/* Shine sweep animation */
.locket-face::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    120deg,
    transparent 30%,
    rgba(253, 230, 138, 0.08) 45%,
    rgba(253, 230, 138, 0.15) 50%,
    rgba(253, 230, 138, 0.08) 55%,
    transparent 70%
  );
  transform: translateX(-100%);
  transition: transform 0.8s ease;
  pointer-events: none;
}

.locket:hover .locket-face::after {
  transform: translateX(100%);
}

/* Glow on hover */
.locket:hover .locket-inner {
  box-shadow: var(--shadow-glow);
}

/* Day number */
.locket-number {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--gold-200);
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
  z-index: 2;
  transition: transform var(--transition-smooth);
}

.locket:hover .locket-number {
  transform: scale(1.08);
}

/* Top loop / bail */
.locket-bail {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  width: 28px;
  height: 18px;
  border: 3px solid var(--gold-600);
  border-bottom: none;
  border-radius: 50% 50% 0 0;
  background: transparent;
  z-index: 3;
}

.locket-bail::after {
  content: '';
  position: absolute;
  top: -1px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 12px;
  border: 2px solid var(--gold-800);
  border-bottom: none;
  border-radius: 50% 50% 0 0;
}

/* ─── Locked State ───────────────────────────────────────────────────────── */
.locket.locked {
  cursor: default;
}

.locket.locked .locket-face {
  background:
    radial-gradient(ellipse at 35% 25%, rgba(180, 180, 190, 0.15) 0%, transparent 50%),
    linear-gradient(160deg, #3a3a4a 0%, #2a2a3a 30%, #1a1a28 60%, #3a3a4a 100%);
  border-color: #4a4a5a;
}

.locket.locked .locket-number {
  color: #6a6a7a;
}

.locket.locked .locket-bail {
  border-color: #4a4a5a;
}

.locket.locked .locket-bail::after {
  border-color: #3a3a4a;
}

.locket.locked:hover {
  transform: none;
}

.locket.locked:hover .locket-inner {
  box-shadow: none;
}

.locket.locked:hover .locket-face::after {
  transform: translateX(-100%);
}

/* Lock overlay */
.lock-overlay {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: rgba(10, 10, 18, 0.45);
  backdrop-filter: blur(2px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.3rem;
  z-index: 5;
}

.lock-icon {
  font-size: 1.6rem;
  opacity: 0.55;
  filter: grayscale(50%);
}

.lock-countdown {
  font-size: 0.65rem;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  text-align: center;
  line-height: 1.3;
  padding: 0 0.8rem;
}

/* ─── Unlocked state (has been opened before — optional future use) ────── */
.locket.unlocked .locket-face {
  border-color: var(--gold-400);
}

/* Subtle pulse for unlocked & ready to open */
.locket.unlocked:not(.opened) .locket-inner {
  animation: gentlePulse 3s ease-in-out infinite;
}

@keyframes gentlePulse {
  0%, 100% { box-shadow: 0 0 0 0 transparent; }
  50% { box-shadow: 0 0 20px var(--accent-glow); }
}

/* ─── Wildcard Section ───────────────────────────────────────────────────── */
.wildcards-section {
  margin-top: 3rem;
}

.wildcards-divider {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.divider-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-700), transparent);
}

.divider-label {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1rem;
  font-weight: 600;
  color: var(--gold-400);
  letter-spacing: 0.15em;
  white-space: nowrap;
}

.wildcards-grid {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

/* Wildcard locket variant */
.locket.wildcard .locket-face {
  background:
    radial-gradient(ellipse at 35% 25%, rgba(180, 120, 220, 0.25) 0%, transparent 50%),
    linear-gradient(160deg, #5a3a6a 0%, #3a2a4a 30%, #2a1a38 60%, #5a3a6a 100%);
  border-color: var(--wc-purple);
}

.locket.wildcard .locket-face::before {
  border-color: rgba(180, 120, 220, 0.2);
}

.locket.wildcard .locket-number {
  color: #d4a8e8;
  font-size: 1.6rem;
}

.locket.wildcard .locket-bail {
  border-color: var(--wc-purple);
}

.locket.wildcard .locket-bail::after {
  border-color: #4a2a5a;
}

.locket.wildcard:hover .locket-inner {
  box-shadow: 0 0 30px var(--wc-purple-glow), 0 0 60px rgba(155, 89, 182, 0.1);
}

.locket.wildcard:not(.opened) .locket-inner {
  animation: gentlePulseWC 3s ease-in-out infinite;
}

@keyframes gentlePulseWC {
  0%, 100% { box-shadow: 0 0 0 0 transparent; }
  50% { box-shadow: 0 0 20px var(--wc-purple-glow); }
}

.wildcard-star {
  font-size: 0.8rem;
  opacity: 0.7;
}

/* ─── Modal ──────────────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(5, 5, 10, 0.85);
  backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s ease, visibility 0.4s ease;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  position: relative;
  background: var(--bg-surface);
  border: 1px solid var(--gold-700);
  border-radius: var(--radius-lg);
  max-width: 700px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: 0 25px 80px rgba(0, 0, 0, 0.6), 0 0 40px var(--accent-glow);
  transform: scale(0.9) translateY(20px);
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal-overlay.active .modal {
  transform: scale(1) translateY(0);
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: var(--bg-elevated);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-size: 1.3rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-smooth);
  z-index: 10;
  line-height: 1;
}

.modal-close:hover {
  background: var(--gold-700);
  border-color: var(--gold-500);
  transform: rotate(90deg);
}

.modal-header {
  padding: 2rem 2rem 0.5rem;
  text-align: center;
}

.modal-header h2 {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.6rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--gold-200), var(--gold-400));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.modal-content {
  padding: 1.5rem 2rem 2rem;
}

/* Content type specific styles */
.modal-content video,
.modal-content audio {
  width: 100%;
  border-radius: var(--radius-md);
  outline: none;
}

.modal-content video {
  background: #000;
}

.modal-content audio {
  margin-top: 1rem;
}

.modal-content img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  display: block;
}

/* Markdown rendered text */
.modal-content .text-content {
  color: var(--text-primary);
  line-height: 1.8;
  font-size: 1.05rem;
}

.modal-content .text-content h1,
.modal-content .text-content h2,
.modal-content .text-content h3 {
  font-family: 'Playfair Display', Georgia, serif;
  color: var(--gold-200);
  margin: 1.5rem 0 0.75rem;
}

.modal-content .text-content h1 { font-size: 1.8rem; }
.modal-content .text-content h2 { font-size: 1.4rem; }
.modal-content .text-content h3 { font-size: 1.15rem; }

.modal-content .text-content p {
  margin-bottom: 1rem;
}

.modal-content .text-content a {
  color: var(--gold-400);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.modal-content .text-content blockquote {
  border-left: 3px solid var(--gold-600);
  padding-left: 1rem;
  margin: 1rem 0;
  color: var(--text-secondary);
  font-style: italic;
}

.modal-content .text-content code {
  background: var(--bg-elevated);
  padding: 0.15em 0.4em;
  border-radius: 4px;
  font-size: 0.9em;
}

.modal-content .text-content pre {
  background: var(--bg-elevated);
  padding: 1rem;
  border-radius: var(--radius-sm);
  overflow-x: auto;
  margin: 1rem 0;
}

/* No content message */
.no-content {
  text-align: center;
  padding: 2rem;
  color: var(--text-muted);
  font-style: italic;
}

/* Loading spinner */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem;
}

.loading::after {
  content: '';
  width: 32px;
  height: 32px;
  border: 3px solid var(--bg-elevated);
  border-top-color: var(--gold-400);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

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

/* ─── Responsive ─────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .days-grid {
    grid-template-columns: repeat(auto-fill, minmax(145px, 1fr));
    gap: 1.2rem;
  }

  .locket {
    width: 140px;
    height: 170px;
  }

  .locket-number {
    font-size: 2rem;
  }

  .modal-content {
    padding: 1rem 1.25rem 1.5rem;
  }

  .modal-header {
    padding: 1.5rem 1.25rem 0.5rem;
  }
}

@media (max-width: 480px) {
  .days-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }

  .locket {
    width: 130px;
    height: 155px;
  }

  .locket-number {
    font-size: 1.8rem;
  }

  .header {
    padding: 2rem 1rem 1.5rem;
  }
}

/* ─── Scrollbar ──────────────────────────────────────────────────────────── */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-deep);
}

::-webkit-scrollbar-thumb {
  background: var(--gold-800);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--gold-700);
}

/* ─── Selection ──────────────────────────────────────────────────────────── */
::selection {
  background: var(--gold-600);
  color: var(--bg-deep);
}