/* ── Feed deck — fullscreen story-style chapter reader ─────────── */

html.feed-layout body { overflow: hidden; }

body:has(.deck) .site-header,
body:has(.deck) .site-footer { display: none !important; }

.deck {
  position: fixed;
  inset: 0;
  z-index: 60;
  background: #000;
  color: #fff;
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  overflow: hidden;
  -webkit-tap-highlight-color: transparent;
  touch-action: none;
}

/* ── Progress bar (story-style) ─────────────────────────────── */
.deck__progress {
  position: absolute;
  top: calc(10px + env(safe-area-inset-top));
  left: 12px; right: 12px;
  display: flex;
  gap: 3px;
  z-index: 5;
}
.deck__progress-seg {
  flex: 1; height: 2px;
  background: rgba(255, 255, 255, 0.18);
  border-radius: 1px;
  overflow: hidden;
}
.deck__progress-fill {
  display: block; width: 0; height: 100%;
  background: var(--syn-cyan, #22d3ee);
  transition: width 0.18s ease-out;
}
.deck__progress-seg.is-done .deck__progress-fill { width: 100%; }
.deck__progress-seg.is-active .deck__progress-fill { width: 100%; }

/* ── Close button ─────────────────────────────────────────── */
.deck__close {
  position: absolute;
  top: calc(20px + env(safe-area-inset-top));
  right: 16px;
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0, 0, 0, 0.4);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  font-size: 22px; font-weight: 300; line-height: 1;
  cursor: pointer;
  z-index: 6;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}
.deck__close:hover { background: rgba(0, 0, 0, 0.6); }

/* ── Chapter meta strip ───────────────────────────────────── */
.deck__chapter-meta {
  position: absolute;
  top: calc(20px + env(safe-area-inset-top));
  left: 16px;
  display: flex; flex-direction: column; gap: 2px;
  z-index: 6;
  pointer-events: none;
}
.deck__chapter-num {
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  color: var(--syn-cyan, #22d3ee);
  font-weight: 700;
}
.deck__chapter-title {
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
  font-family: var(--font-body, 'Inter', sans-serif);
}

/* ── Tap zones (left half = back, right half = forward) ──── */
.deck__tap {
  position: absolute;
  top: 14%; bottom: 22%;
  width: 50%;
  z-index: 3;
  background: transparent;
  border: none;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.deck__tap--prev { left: 0; }
.deck__tap--next { right: 0; }

/* ── Slides ───────────────────────────────────────────────── */
.deck__slide {
  position: absolute;
  inset: 0;
  display: none;
  flex-direction: column;
  opacity: 0;
  transition: opacity 0.28s ease;
}
.deck__slide.is-active { display: flex; opacity: 1; }

.deck__slide-img {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  z-index: 1;
}

.deck__slide-img--placeholder {
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(160deg, #0f172a, #1e293b);
}
.deck__placeholder-tag {
  font-family: var(--font-mono, monospace);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(34, 211, 238, 0.5);
  padding: 4px 10px;
  border: 1px dashed rgba(34, 211, 238, 0.4);
  border-radius: 3px;
}

/* Bottom gradient + caption overlay */
.deck__slide-overlay {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  z-index: 2;
  padding: 18px 18px calc(22px + env(safe-area-inset-bottom));
  background: linear-gradient(
    to top,
    rgba(0, 0, 0, 0.85) 0%,
    rgba(0, 0, 0, 0.65) 35%,
    rgba(0, 0, 0, 0.25) 70%,
    rgba(0, 0, 0, 0) 100%
  );
  pointer-events: none;
}

.deck__caption {
  margin: 0 0 12px;
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: 1.1rem;
  font-weight: 500;
  line-height: 1.35;
  color: #fff;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.4);
  pointer-events: auto;
}

/* ── Action buttons ───────────────────────────────────────── */
.deck__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  pointer-events: auto;
  position: relative;
  z-index: 4;
}

.deck__action {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 14px;
  background: rgba(0, 0, 0, 0.5);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 22px;
  font-family: var(--font-mono, monospace);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  cursor: pointer;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  transition: background 0.15s, transform 0.1s;
  text-decoration: none;
}
.deck__action:hover { background: rgba(0, 0, 0, 0.7); }
.deck__action:active { transform: scale(0.97); }

.deck__action--expand .deck__action-icon { color: var(--syn-cyan, #22d3ee); }
.deck__action--next {
  background: var(--syn-cyan, #22d3ee);
  color: #000;
  border-color: var(--syn-cyan, #22d3ee);
  font-weight: 700;
}
.deck__action--next:hover { background: #67e8f9; color: #000; }

/* ── Long-press detail sheet ──────────────────────────────── */
.deck__sheet {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  max-height: 70vh;
  background: rgba(15, 23, 42, 0.96);
  border-top: 1px solid rgba(34, 211, 238, 0.3);
  border-radius: 18px 18px 0 0;
  padding: 24px 22px calc(28px + env(safe-area-inset-bottom));
  transform: translateY(100%);
  transition: transform 0.3s cubic-bezier(0.32, 0.72, 0, 1);
  z-index: 10;
  overflow-y: auto;
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
}
.deck__sheet.is-open { transform: translateY(0); }
.deck__sheet[hidden] { display: none; }

.deck__sheet-close {
  position: absolute;
  top: 12px; right: 14px;
  width: 32px; height: 32px;
  background: rgba(255, 255, 255, 0.08);
  border: none; border-radius: 50%;
  color: #fff;
  font-size: 18px;
  cursor: pointer;
}

.deck__sheet-body {
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: 0.95rem;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.92);
}
.deck__sheet-body em { color: var(--syn-cyan, #22d3ee); font-style: normal; font-weight: 600; }

/* ── First-time hint ──────────────────────────────────────── */
.deck__hint {
  position: absolute;
  bottom: calc(8px + env(safe-area-inset-bottom));
  left: 0; right: 0;
  display: flex; justify-content: center; gap: 14px;
  z-index: 7;
  pointer-events: none;
  font-family: var(--font-mono, monospace);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.45);
  opacity: 1;
  transition: opacity 0.5s ease;
}
.deck__hint.is-fading { opacity: 0; }

/* ── Story-type tinted gradients (subtle character per slide type) ── */
.deck__slide[data-story-type="cover"] .deck__slide-overlay { background-image: linear-gradient(to top, rgba(34,211,238,0.15) 0%, rgba(0,0,0,0.85) 30%, rgba(0,0,0,0) 100%); }
.deck__slide[data-story-type="punchline"] .deck__slide-overlay { background-image: linear-gradient(to top, rgba(244,114,182,0.12) 0%, rgba(0,0,0,0.85) 30%, rgba(0,0,0,0) 100%); }
.deck__slide[data-story-type="aside"] .deck__caption::before { content: "// "; color: var(--syn-cyan, #22d3ee); font-family: var(--font-mono, monospace); }
.deck__slide[data-story-type="recap"] .deck__chapter-num { color: var(--syn-amber, #fbbf24); }