:root {
  --bg: #1a1410;
  --bg2: #211c17;
  --card: #2a2219;
  --card-hover: #352c20;
  --text: #e8ddd0;
  --text-muted: #a08d7c;
  --border: #3d3228;
  --accent: #c9893c;
  --accent-warm: #e8a84e;
  --accent-glow: rgba(201,137,60,0.24);
  --red: #c94a3c;
  --green: #5a9e6a;
  --audio-accent: #7db89e;
  --grid-size: 250px;
  --heat-color: var(--accent);
  --logic-color: transparent;
  --grain-opacity: 0.035;
  --radius: 12px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: "DM Sans", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: var(--grain-opacity);
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='1'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 128px 128px;
}

body::after {
  content: '';
  position: fixed;
  top: -220px;
  left: 50%;
  transform: translateX(-50%);
  width: min(900px, 90vw);
  height: 540px;
  background: radial-gradient(ellipse, rgba(201,137,60,0.10) 0%, transparent 72%);
  pointer-events: none;
  z-index: 0;
}

button, input, select { font: inherit; }
button:focus-visible, input:focus-visible, select:focus-visible, .img-card:focus-visible {
  outline: 2px solid var(--accent-warm);
  outline-offset: 3px;
}

.page-header {
  position: relative;
  text-align: center;
  padding: 52px 20px 28px;
  z-index: 1;
}

.eyebrow {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}

.generated-stamp {
  text-align: center;
  font-size: 0.68rem;
  color: var(--text-muted);
  opacity: 0.55;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin: 0 0 3px;
}

.main-title {
  font-family: "Playfair Display", Georgia, "Times New Roman", serif;
  font-size: clamp(2.4rem, 5vw, 3.9rem);
  letter-spacing: -0.5px;
  margin: 0 0 8px;
  line-height: 1.08;
}
.main-title em { color: var(--accent-warm); }

.header-stats {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 14px;
}

.stat-pill {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-muted);
  background: rgba(33,28,23,0.9);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 5px 13px;
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
  user-select: none;
}
.stat-pill:hover { border-color: var(--accent); color: var(--text); background: var(--card); }
.stat-pill.active { background: rgba(201,137,60,0.18); border-color: var(--accent); color: var(--accent-warm); }
.stat-pill .pill-num { color: var(--accent-warm); }

.header-rule {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-top: 14px;
  opacity: 0.45;
}
.header-rule::before, .header-rule::after {
  content: '';
  width: 80px;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--accent));
}
.header-rule::after { background: linear-gradient(to left, transparent, var(--accent)); }
.header-rule span { font-size: 10px; letter-spacing: 3px; color: var(--accent); }

.header-actions { display: flex; justify-content: center; align-items: center; flex-wrap: wrap; gap: 10px; text-align: center; margin-top: 12px; }

.header-controls {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(26, 20, 16, 0.92);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  padding: 10px 20px;
  border-bottom: 1px solid var(--border);
  box-shadow: 0 4px 30px rgba(0,0,0,0.4);
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  align-items: center;
}

.unified-search-box {
  display: flex;
  align-items: center;
  background: var(--bg2);
  border: 1px solid var(--heat-color);
  border-radius: 30px;
  padding: 2px 6px 2px 14px;
  box-shadow: 0 0 0 0 var(--accent-glow);
  transition: all 0.25s ease;
}
.unified-search-box:focus-within { box-shadow: 0 0 0 3px var(--accent-glow); border-color: var(--accent-warm); }

.search-help {
  position: relative;
  cursor: help;
  color: var(--text-muted);
  font-size: 13px;
  transition: color 0.2s;
}
.search-help:hover, .search-help:focus { color: var(--accent); }
.search-help:hover::after, .search-help:focus::after {
  content: "SEARCH GUIDE\A • Space → AND (match ALL terms)\A • Pipe | → OR (match ANY term)\A • Folder names and parsed dates are searchable\A e.g. 'grandma beach' or 'hawaii | cruise'";
  position: absolute;
  top: 32px;
  left: -100px;
  background: var(--bg2);
  color: var(--text);
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-left: 2px solid var(--accent);
  border-radius: 8px;
  width: 280px;
  z-index: 200;
  white-space: pre;
  font-size: 11px;
  line-height: 1.6;
  box-shadow: 0 8px 24px rgba(0,0,0,0.5);
}

#searchBar {
  background: transparent;
  border: none;
  color: var(--text);
  outline: none;
  padding: 8px 0;
  width: 220px;
  font-size: 13px;
}
#searchBar::placeholder { color: var(--text-muted); }

.results-badge {
  background: var(--heat-color);
  color: #1a1410;
  padding: 5px 13px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 800;
  margin-left: 8px;
  min-width: 90px;
  text-align: center;
  border-left: 4px solid var(--logic-color);
  letter-spacing: 0.3px;
}

.clear-btn, .reset-folder-btn, .reset-year-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  transition: color 0.2s;
}
.clear-btn { font-size: 18px; display: none; margin-right: 3px; }
.clear-btn:hover, .reset-folder-btn:hover, .reset-year-btn:hover { color: var(--red); }

.filter-wrapper { position: relative; display: flex; align-items: center; }
.reset-folder-btn { position: absolute; right: -24px; display: none; font-size: 18px; }

.btn, select {
  padding: 8px 14px;
  border-radius: 8px;
  background: var(--bg2);
  color: var(--text);
  border: 1px solid var(--border);
  cursor: pointer;
  font-size: 12px;
  transition: all 0.2s;
}
.btn:hover, select:hover { border-color: var(--accent); background: var(--card); }
.btn-play { background: rgba(201,137,60,0.15); border-color: var(--accent); color: var(--accent-warm); font-weight: 600; }
.btn-play:hover { background: rgba(201,137,60,0.28); }
.btn-fav.active { background: rgba(201,60,60,0.2); border-color: var(--red); color: #e8726a; }
.btn-year-toggle.active { background: rgba(201,137,60,0.16); border-color: var(--accent); color: var(--accent-warm); font-weight: 700; }
.btn-year-toggle:not(.active) { color: var(--text-muted); }

.zoom-control, .year-range-wrapper {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg2);
  padding: 5px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
}
.zoom-label, .year-range-label {
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: 2px;
  text-transform: uppercase;
  white-space: nowrap;
}
input[type=range] { accent-color: var(--accent); cursor: pointer; }
.year-range-sliders { display: flex; flex-direction: column; gap: 2px; }
.year-range-sliders input[type=range] { width: 110px; height: 4px; }
.year-display { color: var(--accent-warm); font-weight: 800; font-size: 11px; min-width: 92px; text-align: center; }
.reset-year-btn { font-size: 14px; padding: 0 2px; line-height: 1; display: none; }

.active-filters {
  position: relative;
  z-index: 2;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
  padding: 10px 20px 0;
  min-height: 18px;
}
.filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid rgba(201,137,60,0.35);
  background: rgba(201,137,60,0.10);
  color: var(--accent-warm);
  border-radius: 999px;
  padding: 4px 9px 4px 11px;
  font-size: 11px;
}
.filter-chip button {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0;
  line-height: 1;
}
.filter-chip button:hover { color: #fff; }

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(var(--grid-size), 1fr));
  gap: 16px;
  padding: 20px;
  position: relative;
  z-index: 1;
}

.year-divider {
  grid-column: 1 / -1;
  display: flex !important;
  align-items: center;
  gap: 14px;
  min-height: 54px;
  color: var(--accent-warm);
  font-family: "Playfair Display", Georgia, serif;
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  font-weight: 700;
  margin: 20px 0 2px;
  padding: 0 4px;
  letter-spacing: -0.02em;
  opacity: 1;
}
.year-divider-text {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}
.year-divider-text::before {
  content: '✦';
  font-family: "DM Sans", Arial, sans-serif;
  font-size: 0.65em;
  opacity: 0.75;
}
.year-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, rgba(201,137,60,0.55), transparent);
}

.img-card {
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--card);
  border: 1px solid var(--border);
  position: relative;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  content-visibility: auto;
  contain-intrinsic-size: 250px 220px;
  min-height: calc(var(--grid-size) * 0.78);
}
.img-card:hover { transform: translateY(-6px) scale(1.01); border-color: var(--accent); box-shadow: 0 12px 40px rgba(0,0,0,0.5), 0 0 0 1px var(--accent-glow); }
.img-card img {
  width: 100%;
  height: calc(var(--grid-size) * 0.75);
  object-fit: cover;
  order: 2;
  display: block;
  opacity: 0;
  transition: opacity 0.18s ease, filter 0.3s ease;
  background: linear-gradient(135deg, #241c14, #17110d);
}
.img-card img.loaded, .img-card img.is-placeholder { opacity: 1; }
.img-card:hover img { filter: brightness(1.06) saturate(1.08); }

.card-caption-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(20,14,8,0.94) 0%, rgba(20,14,8,0.72) 54%, transparent 100%);
  padding: 40px 12px 10px;
  transform: translateY(calc(100% - 33px));
  transition: transform 0.3s ease, padding 0.3s ease, background 0.3s ease;
  z-index: 3;
  pointer-events: none;
}
.img-card:hover .card-caption-overlay,
.img-card:focus .card-caption-overlay,
.gallery.show-card-details .card-caption-overlay {
  transform: translateY(0);
}
.gallery.show-card-details .card-caption-overlay {
  padding-top: 64px;
  background: linear-gradient(to top, rgba(20,14,8,0.97) 0%, rgba(20,14,8,0.82) 55%, rgba(20,14,8,0.08) 100%);
}
.cap-name { font-size: 11px; color: #fff; font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; display: block; text-shadow: 0 1px 2px rgba(0,0,0,0.9); }
.cap-date { font-size: 10px; color: var(--accent-warm); margin-top: 2px; display: block; letter-spacing: 0.5px; }
.cap-source { opacity: 0.68; }
.cap-meta,
.cap-file {
  display: none;
  font-size: 9px;
  line-height: 1.28;
  margin-top: 3px;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  letter-spacing: 0.2px;
}
.cap-file {
  color: rgba(232,221,208,0.72);
  font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  font-size: 8.5px;
}
.img-card:hover .cap-meta,
.img-card:hover .cap-file,
.img-card:focus .cap-meta,
.img-card:focus .cap-file,
.gallery.show-card-details .cap-meta,
.gallery.show-card-details .cap-file {
  display: block;
}

.media-badge {
  position: absolute;
  bottom: 36px;
  right: 10px;
  font-size: 16px;
  background: rgba(0,0,0,0.75);
  padding: 3px 7px;
  border-radius: 5px;
  z-index: 4;
}

.audio-placeholder {
  width: 100%;
  height: calc(var(--grid-size) * 0.75);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0d1f18, #162a20);
  color: var(--audio-accent);
  order: 2;
  gap: 6px;
  position: relative;
  overflow: hidden;
}
.audio-placeholder .audio-icon { font-size: 48px; }
.waveform { display: flex; align-items: center; gap: 3px; height: 24px; }
.waveform span { display: block; width: 3px; background: var(--audio-accent); border-radius: 3px; animation: wave 1.2s ease-in-out infinite; opacity: 0.7; }
.waveform span:nth-child(1) { height: 8px; animation-delay: 0s; }
.waveform span:nth-child(2) { height: 16px; animation-delay: 0.1s; }
.waveform span:nth-child(3) { height: 22px; animation-delay: 0.2s; }
.waveform span:nth-child(4) { height: 14px; animation-delay: 0.3s; }
.waveform span:nth-child(5) { height: 20px; animation-delay: 0.15s; }
.waveform span:nth-child(6) { height: 10px; animation-delay: 0.25s; }
.waveform span:nth-child(7) { height: 18px; animation-delay: 0.05s; }
@keyframes wave { 0%, 100% { transform: scaleY(0.5); opacity: 0.5; } 50% { transform: scaleY(1); opacity: 1; } }

.fav-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  background: rgba(20,14,8,0.65);
  color: var(--text-muted);
  border: 1px solid transparent;
  border-radius: 50%;
  width: 30px;
  height: 30px;
  cursor: pointer;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  transition: all 0.2s ease;
  backdrop-filter: blur(4px);
}
.fav-btn:hover { border-color: var(--red); color: #e8726a; background: rgba(201,74,60,0.2); }
.fav-btn.is-fav { color: #e8726a; background: rgba(201,74,60,0.3); border-color: var(--red); }

.folder-pill {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(20,14,8,0.74);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(201,137,60,0.3);
  color: var(--accent-warm);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.5px;
  padding: 2px 7px;
  border-radius: 10px;
  z-index: 5;
  max-width: calc(100% - 50px);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
}
.folder-pill:hover { background: rgba(201,137,60,0.25); border-color: var(--accent); }

.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 80px 20px;
  color: var(--text-muted);
}
.empty-icon { font-size: 48px; margin-bottom: 16px; opacity: 0.55; }

#overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(12, 9, 6, 0.97);
  flex-direction: column;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  animation: overlayFadeIn 0.25s ease;
}
@keyframes overlayFadeIn { from { opacity: 0; } to { opacity: 1; } }
#overlay.is-open { display: flex; }

.slide-arrow, .overlay-close, .copy-btn {
  background: rgba(201,137,60,0.12);
  border: 1px solid rgba(201,137,60,0.35);
  color: var(--accent-warm);
  cursor: pointer;
  z-index: 1100;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  backdrop-filter: blur(6px);
}
.slide-arrow { position: absolute; top: 50%; transform: translateY(-50%); width: 52px; height: 52px; border-radius: 50%; font-size: 22px; }
.slide-arrow:hover, .overlay-close:hover, .copy-btn:hover { background: rgba(201,137,60,0.28); border-color: var(--accent); color: #fff; }
#prevBtn { left: 24px; }
#nextBtn { right: 24px; }
.overlay-close { position: absolute; top: 20px; right: 28px; width: 42px; height: 42px; border-radius: 50%; font-size: 22px; color: var(--text-muted); }
.copy-btn { position: absolute; top: 20px; right: 84px; width: auto; height: 42px; border-radius: 999px; padding: 0 14px; color: var(--text-muted); font-size: 12px; display: none; }
.slide-counter { position: absolute; top: 26px; left: 50%; transform: translateX(-50%); font-size: 12px; color: var(--text-muted); letter-spacing: 2px; z-index: 1100; }
#overlayInfo { position: absolute; top: 66px; left: 50%; transform: translateX(-50%); font-size: 11px; color: var(--text-muted); letter-spacing: 1px; z-index: 1100; display: flex; align-items: center; gap: 14px; white-space: nowrap; max-width: 90vw; }
#overlayInfo .oi-name { color: var(--text); font-weight: 600; max-width: 55vw; overflow: hidden; text-overflow: ellipsis; }
#overlayInfo .oi-date { color: var(--accent-warm); }
#overlayInfo .oi-sep { opacity: 0.3; }

#pdfFrame { width: 80vw; height: 80vh; border: none; display: none; background: white; border-radius: 8px; }
#slideImg, #videoPlayer {
  max-width: 88%;
  max-height: 72vh;
  display: none;
  border-radius: 6px;
  box-shadow: 0 20px 80px rgba(0,0,0,0.9), 0 0 0 1px rgba(201,137,60,0.1);
  animation: mediaIn 0.3s ease;
}
@keyframes mediaIn { from { opacity:0; transform: scale(0.97); } to { opacity:1; transform: scale(1); } }
#audioWrapper {
  display: none;
  text-align: center;
  background: linear-gradient(135deg, #0d1f18 0%, #162a20 100%);
  padding: 50px 40px;
  border-radius: 20px;
  border: 1px solid rgba(125,184,158,0.3);
  width: 380px;
  max-width: 90vw;
  box-shadow: 0 20px 60px rgba(0,0,0,0.6);
}
#audioWrapper .audio-icon-lg { font-size: 60px; margin-bottom: 16px; }
#audioName { color: var(--audio-accent); font-weight: 600; margin: 0 0 20px; font-size: 15px; }
#audioPlayer { width: 100%; }

.overlay-full-path {
  position: absolute;
  bottom: 76px;
  left: 50%;
  transform: translateX(-50%);
  width: min(88vw, 1100px);
  max-width: 88vw;
  z-index: 1001;
  padding: 8px 14px;
  border: 1px solid rgba(201,137,60,0.22);
  border-radius: 10px;
  background: rgba(16,12,8,0.72);
  color: var(--text-muted);
  font-size: 11px;
  line-height: 1.35;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  backdrop-filter: blur(8px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.35);
}
.overlay-full-path:empty { display: none; }

.overlay-controls { position: absolute; bottom: 24px; left: 50%; transform: translateX(-50%); display: flex; gap: 12px; z-index: 1001; align-items: center; }
.video-seek-controls { display: none; align-items: center; gap: 8px; padding: 5px; border: 1px solid rgba(201,137,60,0.28); border-radius: 999px; background: rgba(16,12,8,0.78); backdrop-filter: blur(8px); box-shadow: 0 10px 30px rgba(0,0,0,0.35); }
.video-seek-btn { color: var(--accent-warm); background: rgba(201,137,60,0.10); border: 1px solid rgba(201,137,60,0.34); border-radius: 999px; padding: 8px 12px; font-size: 12px; font-family: 'DM Sans', sans-serif; font-weight: 700; cursor: pointer; transition: all 0.18s ease; white-space: nowrap; }
.video-seek-btn:hover { background: rgba(201,137,60,0.22); border-color: var(--accent); color: #fff; transform: translateY(-1px); }
.video-play-toggle { min-width: 82px; }
.download-btn { color: var(--accent); text-decoration: none; border: 1px solid rgba(201,137,60,0.4); background: rgba(201,137,60,0.08); padding: 9px 22px; border-radius: 7px; font-size: 12px; transition: all 0.2s; }
.download-btn:hover { background: rgba(201,137,60,0.2); border-color: var(--accent); }
.speed-control { display: none; align-items: center; gap: 8px; background: rgba(255,255,255,0.05); border: 1px solid rgba(201,137,60,0.25); border-radius: 7px; padding: 6px 14px; font-size: 11px; color: var(--text-muted); }
.speed-control input[type=range] { width: 70px; height: 3px; }
#speedLabel { color: var(--accent-warm); min-width: 28px; text-align: right; }
.btn-auto { min-width: 130px; }

.howto-btn { text-decoration: none; display: inline-flex; align-items: center; gap: 5px; padding: 6px 14px; border-radius: 20px; background: rgba(201,137,60,0.1); border: 1px solid rgba(201,137,60,0.4); color: var(--accent-warm); cursor: pointer; font-size: 11px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; transition: all 0.2s ease; white-space: nowrap; }
.howto-btn:hover, .howto-btn.open { background: rgba(201,137,60,0.23); border-color: var(--accent); color: #fff; box-shadow: 0 0 0 3px var(--accent-glow); }
.howto-btn .hb-icon { font-size: 10px; }
#howtoPanel { display: none; position: fixed; top: 20px; left: 50%; transform: translateX(-50%); width: 440px; max-width: calc(100vw - 40px); max-height: calc(100vh - 40px); background: #1e1812; border: 1px solid var(--border); border-radius: 16px; z-index: 10000; overflow-y: auto; box-shadow: 0 20px 60px rgba(0,0,0,0.7), 0 0 0 1px rgba(201,137,60,0.12); animation: howtoIn 0.25s cubic-bezier(0.34,1.56,0.64,1); }
#howtoPanel.is-open { display: block; }
@keyframes howtoIn { from { opacity: 0; transform: translateX(-50%) translateY(-10px) scale(0.97); } to { opacity: 1; transform: translateX(-50%) translateY(0) scale(1); } }
.howto-header { padding: 20px 22px 14px; border-bottom: 1px solid var(--border); display: flex; align-items: center; gap: 12px; }
.howto-title { font-family: "Playfair Display", Georgia, serif; font-size: 18px; color: var(--text); font-style: italic; flex: 1; }
.howto-icon { font-size: 22px; }
.howto-close-btn { background: none; border: none; color: var(--text-muted); font-size: 20px; cursor: pointer; line-height: 1; padding: 2px 4px; border-radius: 4px; transition: color 0.2s; margin-left: auto; }
.howto-close-btn:hover { color: var(--text); }
.howto-body { padding: 16px 22px 22px; }
.howto-section { margin-bottom: 18px; }
.howto-section-title { font-size: 9px; font-weight: 800; letter-spacing: 2.5px; text-transform: uppercase; color: var(--accent); margin-bottom: 8px; display: flex; align-items: center; gap: 7px; }
.howto-section-title::after { content: ''; flex: 1; height: 1px; background: linear-gradient(to right, var(--border), transparent); }
.howto-row { display: flex; gap: 10px; margin-bottom: 7px; align-items: flex-start; }
.hr-icon { font-size: 15px; min-width: 22px; margin-top: 1px; }
.hr-text { font-size: 12px; color: var(--text-muted); line-height: 1.55; }
.hr-text strong { color: var(--text); font-weight: 600; }
.hr-text code { background: var(--bg2); border: 1px solid var(--border); border-radius: 4px; padding: 1px 5px; font-size: 11px; color: var(--accent-warm); font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.howto-tip { margin-top: 14px; background: rgba(201,137,60,0.07); border: 1px solid rgba(201,137,60,0.2); border-left: 3px solid var(--accent); border-radius: 6px; padding: 10px 13px; font-size: 11.5px; color: var(--text-muted); line-height: 1.55; }
.howto-tip strong { color: var(--accent-warm); }

#sentinel { height: 120px; }
.page-footer { position: relative; z-index: 1; color: var(--text-muted); opacity: 0.55; font-size: 11px; text-align: center; padding: 12px 20px 30px; }

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

@media (max-width: 700px) {
  .year-range-wrapper { display: none; }
  #searchBar { width: 145px; }
  .header-controls { padding: 10px 12px; }
  .gallery { padding: 14px; gap: 12px; }
  #prevBtn { left: 10px; }
  #nextBtn { right: 10px; }
  .slide-arrow { width: 44px; height: 44px; }
  .overlay-full-path { bottom: 98px; width: min(92vw, 520px); font-size: 10px; }
  .overlay-controls { flex-wrap: wrap; justify-content: center; width: min(92vw, 520px); }
  .video-seek-controls { order: -1; width: 100%; justify-content: center; border-radius: 16px; flex-wrap: wrap; }
  .video-seek-btn { padding: 8px 10px; font-size: 11px; }
}

@media (hover: none) {
  .card-caption-overlay { transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .img-card:hover { transform: none; }
}

/* v6: duplicate grouping badge for search results */
.duplicate-badge {
  position: absolute;
  left: 10px;
  top: 10px;
  z-index: 5;
  background: rgba(20,14,8,0.78);
  border: 1px solid rgba(201,137,60,0.45);
  color: var(--accent-warm);
  border-radius: 999px;
  padding: 4px 9px;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  backdrop-filter: blur(6px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.35);
}