/**
 * Digital Prophets Daily Calendar — Frontend Styles
 * Dark apocalyptic theme · Mobile-first · Blood-red + gold accents
 */

/* ── CSS Custom Properties (overridable via JS) ──────── */

.dpcal {
  --dpcal-accent: #8b0000;
  --dpcal-accent-glow: #c41e1e;
  --dpcal-bg: #0a0a0a;
  --dpcal-bg-card: #111111;
  --dpcal-bg-cell: #151515;
  --dpcal-bg-cell-hover: #1a1a1a;
  --dpcal-gold: #c9a84c;
  --dpcal-gold-dim: rgba(201, 168, 76, 0.25);
  --dpcal-text: #e0e0e0;
  --dpcal-text-dim: #777777;
  --dpcal-border: #222222;
  --dpcal-radius: 10px;
  --dpcal-radius-sm: 6px;
  --dpcal-shadow: 0 4px 24px rgba(0, 0, 0, 0.6);
  --dpcal-transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Container ───────────────────────────────────────── */

.dpcal {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--dpcal-bg);
  color: var(--dpcal-text);
  border-radius: var(--dpcal-radius);
  overflow: hidden;
  max-width: 720px;
  margin: 0 auto;
  box-shadow: var(--dpcal-shadow);
  -webkit-font-smoothing: antialiased;
  position: relative;
}

.dpcal *,
.dpcal *::before,
.dpcal *::after {
  box-sizing: border-box;
}

/* ── Loading state ───────────────────────────────────── */

.dpcal--loading .dpcal-grid {
  opacity: 0.4;
  pointer-events: none;
}

/* ── Header ──────────────────────────────────────────── */

.dpcal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 12px;
  border-bottom: 1px solid var(--dpcal-border);
  gap: 8px;
}

.dpcal-title {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--dpcal-gold);
  text-align: center;
  flex: 1;
  white-space: nowrap;
}

.dpcal-nav {
  appearance: none;
  -webkit-appearance: none;
  border: 1px solid var(--dpcal-border);
  background: var(--dpcal-bg-cell);
  color: var(--dpcal-text);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  font-size: 1.4rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--dpcal-transition), border-color var(--dpcal-transition), transform var(--dpcal-transition);
  flex-shrink: 0;
  -webkit-tap-highlight-color: transparent;
}

.dpcal-nav:hover,
.dpcal-nav:focus-visible {
  background: var(--dpcal-accent);
  border-color: var(--dpcal-accent);
  color: #fff;
  transform: scale(1.08);
}

.dpcal-nav:active {
  transform: scale(0.95);
}

.dpcal-today-btn {
  appearance: none;
  -webkit-appearance: none;
  border: 1px solid var(--dpcal-gold-dim);
  background: transparent;
  color: var(--dpcal-gold);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 12px;
  border-radius: 20px;
  cursor: pointer;
  transition: background var(--dpcal-transition), color var(--dpcal-transition);
  flex-shrink: 0;
  -webkit-tap-highlight-color: transparent;
}

.dpcal-today-btn:hover,
.dpcal-today-btn:focus-visible {
  background: var(--dpcal-gold);
  color: #000;
}

/* ── Day Labels ──────────────────────────────────────── */

.dpcal-day-labels {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  padding: 10px 8px 4px;
  gap: 2px;
}

.dpcal-day-label {
  text-align: center;
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--dpcal-text-dim);
  padding: 4px 0;
}

/* ── Grid ────────────────────────────────────────────── */

.dpcal-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 3px;
  padding: 4px 8px 12px;
  transition: opacity var(--dpcal-transition);
}

/* ── Cells ───────────────────────────────────────────── */

.dpcal-cell {
  position: relative;
  aspect-ratio: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: var(--dpcal-radius-sm);
  background: var(--dpcal-bg-cell);
  cursor: pointer;
  transition:
    background var(--dpcal-transition),
    transform var(--dpcal-transition),
    box-shadow var(--dpcal-transition);
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  min-height: 44px;
}

.dpcal-cell--empty {
  background: transparent;
  cursor: default;
}

.dpcal-cell:not(.dpcal-cell--empty):hover {
  background: var(--dpcal-bg-cell-hover);
  transform: scale(1.05);
  z-index: 2;
}

.dpcal-cell:not(.dpcal-cell--empty):active {
  transform: scale(0.96);
}

.dpcal-cell:focus-visible {
  outline: 2px solid var(--dpcal-gold);
  outline-offset: 2px;
}

.dpcal-cell__num {
  font-size: 0.88rem;
  font-weight: 500;
  line-height: 1;
  color: var(--dpcal-text);
  transition: color var(--dpcal-transition);
}

/* ── Today ───────────────────────────────────────────── */

.dpcal-cell--today {
  background: rgba(139, 0, 0, 0.15);
  border: 1px solid var(--dpcal-accent);
}

.dpcal-cell--today .dpcal-cell__num {
  color: var(--dpcal-accent-glow);
  font-weight: 700;
}

/* ── Has Posts (glowing red dot) ─────────────────────── */

.dpcal-cell--has-posts .dpcal-cell__num {
  font-weight: 700;
  color: #fff;
}

.dpcal-cell__dot {
  display: block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--dpcal-accent-glow);
  margin-top: 3px;
  box-shadow:
    0 0 4px var(--dpcal-accent-glow),
    0 0 8px var(--dpcal-accent);
  animation: dpcal-pulse 2s ease-in-out infinite;
}

@keyframes dpcal-pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 4px var(--dpcal-accent-glow), 0 0 8px var(--dpcal-accent); }
  50%      { opacity: 0.6; box-shadow: 0 0 2px var(--dpcal-accent-glow), 0 0 4px var(--dpcal-accent); }
}

/* ── Selected ────────────────────────────────────────── */

.dpcal-cell--selected {
  background: var(--dpcal-accent) !important;
  box-shadow: 0 0 12px rgba(139, 0, 0, 0.5), inset 0 0 12px rgba(139, 0, 0, 0.3);
  transform: scale(1.08);
  z-index: 3;
}

.dpcal-cell--selected .dpcal-cell__num {
  color: #fff;
  font-weight: 700;
}

.dpcal-cell--selected .dpcal-cell__dot {
  background: var(--dpcal-gold);
  box-shadow: 0 0 4px var(--dpcal-gold), 0 0 8px var(--dpcal-gold);
}

/* ── Posts Panel ─────────────────────────────────────── */

.dpcal-panel {
  padding: 0;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s ease;
}

.dpcal-panel--visible {
  max-height: 3000px;
  padding: 16px 12px 20px;
  border-top: 1px solid var(--dpcal-border);
}

.dpcal-panel__date {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--dpcal-gold);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--dpcal-border);
}

/* ── Loading Spinner ─────────────────────────────────── */

.dpcal-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 32px 0;
  color: var(--dpcal-text-dim);
  font-size: 0.85rem;
}

.dpcal-spinner {
  width: 24px;
  height: 24px;
  border: 2px solid var(--dpcal-border);
  border-top-color: var(--dpcal-accent-glow);
  border-radius: 50%;
  animation: dpcal-spin 0.8s linear infinite;
}

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

/* ── Empty State ─────────────────────────────────────── */

.dpcal-empty {
  text-align: center;
  padding: 32px 16px;
  color: var(--dpcal-text-dim);
  font-size: 0.9rem;
  font-style: italic;
}

/* ── Post Card ───────────────────────────────────────── */

.dpcal-card {
  background: var(--dpcal-bg-card);
  border-radius: var(--dpcal-radius);
  overflow: hidden;
  margin-bottom: 16px;
  border: 1px solid var(--dpcal-border);
  transition: transform var(--dpcal-transition), box-shadow var(--dpcal-transition);
  animation: dpcal-fadeUp 0.4s ease both;
}

.dpcal-card:last-child {
  margin-bottom: 0;
}

.dpcal-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

@keyframes dpcal-fadeUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ── Thumbnail ───────────────────────────────────────── */

.dpcal-card__thumb-link {
  display: block;
  text-decoration: none;
}

.dpcal-card__thumb {
  position: relative;
  width: 100%;
  padding-top: 100%; /* 1:1 square */
  overflow: hidden;
  background: #0d0d0d;
}

.dpcal-card__thumb img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1), filter var(--dpcal-transition);
}

.dpcal-card:hover .dpcal-card__thumb img {
  transform: scale(1.04);
  filter: brightness(1.1);
}

/* Overlay gradient */
.dpcal-card__thumb::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 40%;
  background: linear-gradient(to top, var(--dpcal-bg-card) 0%, transparent 100%);
  pointer-events: none;
}

/* ── Card Body ───────────────────────────────────────── */

.dpcal-card__body {
  padding: 16px;
}

.dpcal-card__title {
  margin: 0 0 8px;
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.3;
}

.dpcal-card__title a {
  color: #fff;
  text-decoration: none;
  transition: color var(--dpcal-transition);
}

.dpcal-card__title a:hover {
  color: var(--dpcal-accent-glow);
}

.dpcal-card__excerpt {
  margin: 0 0 14px;
  font-size: 0.85rem;
  line-height: 1.55;
  color: var(--dpcal-text-dim);
}

/* ── Sonaar Player Container ─────────────────────────── */

.dpcal-card__player {
  background: rgba(0, 0, 0, 0.3);
  border-radius: var(--dpcal-radius-sm);
  padding: 8px;
  margin-top: 4px;
  border: 1px solid var(--dpcal-border);
}

.dpcal-card__player .iron-audioplayer {
  margin: 0 !important;
}

/* ── Responsive — Tablet ─────────────────────────────── */

@media (min-width: 480px) {
  .dpcal-cell__num {
    font-size: 0.95rem;
  }

  .dpcal-cell__dot {
    width: 7px;
    height: 7px;
  }

  .dpcal-header {
    padding: 20px 16px;
  }

  .dpcal-title {
    font-size: 1.3rem;
  }

  .dpcal-grid {
    gap: 4px;
    padding: 6px 12px 16px;
  }

  .dpcal-panel--visible {
    padding: 20px 16px 24px;
  }
}

/* ── Responsive — Larger tablet/desktop card layout ─── */

@media (min-width: 600px) {
  .dpcal-card {
    display: grid;
    grid-template-columns: 200px 1fr;
  }

  .dpcal-card__thumb {
    padding-top: 0;
    height: 100%;
    min-height: 200px;
  }

  .dpcal-card__thumb::after {
    height: 100%;
    background: linear-gradient(to left, var(--dpcal-bg-card) 0%, transparent 60%);
  }

  .dpcal-card__body {
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
}

/* ── Responsive — Desktop ────────────────────────────── */

@media (min-width: 768px) {
  .dpcal {
    border-radius: 14px;
  }

  .dpcal-cell {
    border-radius: 8px;
  }

  .dpcal-cell__num {
    font-size: 1rem;
  }

  .dpcal-nav {
    width: 48px;
    height: 48px;
    font-size: 1.5rem;
  }

  .dpcal-title {
    font-size: 1.4rem;
  }

  .dpcal-card {
    grid-template-columns: 240px 1fr;
  }
}

/* ── Focus / Accessibility ───────────────────────────── */

.dpcal *:focus-visible {
  outline: 2px solid var(--dpcal-gold);
  outline-offset: 2px;
}

/* ── Reduced motion preference ───────────────────────── */

@media (prefers-reduced-motion: reduce) {
  .dpcal-cell,
  .dpcal-card,
  .dpcal-nav,
  .dpcal-panel,
  .dpcal-card__thumb img {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}

/* ── Print ───────────────────────────────────────────── */

@media print {
  .dpcal {
    box-shadow: none;
    border: 1px solid #ccc;
    background: #fff;
    color: #000;
  }
  .dpcal-cell--has-posts .dpcal-cell__dot {
    background: #000;
    box-shadow: none;
  }
  .dpcal-card__player {
    display: none;
  }
}