/* ──────────────────────────────────────────────────────────────────────────
   PHOTO VAULT
   Reskin · class names preserved.
   Quiet catalog. One accent, used sparingly. Photos are the focus.
   ────────────────────────────────────────────────────────────────────────── */


/* ─── Tokens ────────────────────────────────────────────────────────────── */
:root {
  --bg:            #070706;
  --surface:       #0f0e0c;
  --surface-2:     #161512;
  --surface-3:     #1c1b17;

  --border:        #1d1c18;
  --border-2:      #2c2a25;

  --text:          #d6d3c8;
  --text-dim:      #8a877d;
  --text-muted:    #4d4a44;
  --text-faint:    #2e2c27;

  --accent:        #c09a2f;
  --accent-bright: #e8bc3c;
  --accent-dim:    #7a6319;
  --accent-bg:     rgba(192, 154, 47, 0.08);

  --font:          'IBM Plex Mono', 'Courier New', monospace;

  --header-h:      56px;
  --radius:        8px;
  --radius-sm:     5px;
  --radius-lg:     12px;
  --transition:    140ms ease;

  --track-eyebrow: 0.22em;
  --track-label:   0.14em;
  --track-meta:    0.06em;
}


/* ─── Reset ─────────────────────────────────────────────────────────────── */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 13px;
  line-height: 1.5;
  font-variant-numeric: tabular-nums;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}

body {
  min-height: 100dvh;
  background: var(--bg);
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
button { background: none; border: none; color: inherit; cursor: pointer; font: inherit; }
img { display: block; max-width: 100%; }

::selection { background: var(--accent-bg); color: var(--accent-bright); }


/* ─── Film grain — barely there ────────────────────────────────────────── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)'/%3E%3C/svg%3E");
}


/* ─── Shell ─────────────────────────────────────────────────────────────── */
#shell {
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
}


/* ─── Header ────────────────────────────────────────────────────────────── */
#header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(7, 7, 6, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 100%;
  padding: 0 24px;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
}

.logo {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.3em;
  color: var(--accent);
  flex-shrink: 0;
  transition: color var(--transition);
}
.logo:hover { color: var(--accent-bright); }

.breadcrumb {
  flex: 1;
  display: flex;
  align-items: center;
  overflow: hidden;
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: var(--track-meta);
}

.breadcrumb .bc-sep {
  margin: 0 10px;
  color: var(--text-faint);
}

.breadcrumb .bc-item {
  color: var(--text-dim);
  cursor: pointer;
  transition: color var(--transition);
  white-space: nowrap;
}
.breadcrumb .bc-item:hover { color: var(--text); }
.breadcrumb .bc-item.active { color: var(--text); cursor: default; }

.icon-btn {
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  border-radius: 50%;
  transition: color var(--transition), background var(--transition);
  flex-shrink: 0;
}
.icon-btn:hover {
  color: var(--accent);
  background: var(--accent-bg);
}


/* ─── Search trigger pill (header) ──────────────────────────────────────── */
/* When the search button gains the .search-trigger modifier it becomes a
   labeled pill instead of a tiny icon. Falls back gracefully to the icon
   button styling above if the extra children aren't present. */
.search-trigger {
  width: auto;
  height: 36px;
  padding: 0 10px 0 12px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-dim);
  background: var(--surface);
  border: 1px solid var(--border-2);
  border-radius: 999px;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
  min-width: 220px;
  max-width: 360px;
  flex-shrink: 0;
}
.search-trigger:hover {
  color: var(--text);
  border-color: var(--accent-dim);
  background: var(--surface-2);
}
.search-trigger:hover .st-icon { color: var(--accent); }

.search-trigger .st-icon {
  color: var(--text-muted);
  flex-shrink: 0;
  transition: color var(--transition);
}

.search-trigger .st-label {
  flex: 1;
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--text-muted);
  text-align: left;
  font-weight: 400;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.search-trigger .st-kbd {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  flex-shrink: 0;
}

.search-trigger .st-kbd kbd {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 4px;
  font-family: var(--font);
  font-size: 10px;
  font-weight: 500;
  color: var(--text-dim);
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid var(--border-2);
  border-radius: 4px;
  letter-spacing: 0;
}


/* ─── App container ─────────────────────────────────────────────────────── */
.app {
  flex: 1;
  padding: 48px 24px 80px;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
}


/* ─── Loading ───────────────────────────────────────────────────────────── */
.loading-state {
  display: flex;
  justify-content: center;
  padding-top: 96px;
}

.spinner {
  width: 16px;
  height: 16px;
  border: 1.5px solid var(--border-2);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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


/* ─── View header ───────────────────────────────────────────────────────── */
.view-header {
  margin-bottom: 40px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.view-title {
  font-size: 10px;
  letter-spacing: var(--track-eyebrow);
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 500;
}

.view-label {
  font-size: 40px;
  font-weight: 300;
  color: var(--text);
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.view-label span {
  color: var(--accent);
}

.view-count {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: var(--track-meta);
  margin-top: 6px;
}


/* ─── Year grid ─────────────────────────────────────────────────────────── */
.year-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 8px;
}

.year-card {
  background: var(--surface);
  padding: 28px 26px;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
  display: flex;
  flex-direction: column;
  gap: 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.year-card:hover {
  background: var(--surface-2);
  border-color: var(--border-2);
}

.year-card .year-num {
  font-size: 42px;
  font-weight: 300;
  color: var(--text);
  letter-spacing: -0.025em;
  line-height: 1;
}

.year-card .year-meta {
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: var(--track-meta);
}

.year-card .year-count {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: var(--track-meta);
}


/* ─── Month grid ────────────────────────────────────────────────────────── */
.month-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 8px;
}

.month-card {
  background: var(--surface);
  padding: 22px 22px;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 120px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.month-card:hover {
  background: var(--surface-2);
  border-color: var(--border-2);
}

.month-card.empty {
  opacity: 0.35;
  cursor: default;
  pointer-events: none;
  background: transparent;
  border-style: dashed;
}

.month-card .month-name {
  font-size: 22px;
  font-weight: 300;
  color: var(--text);
  letter-spacing: -0.01em;
  line-height: 1;
}

.month-card .month-num {
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: var(--track-eyebrow);
  font-weight: 500;
}

.month-card .month-count {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: var(--track-meta);
  margin-top: auto;
}


/* ─── Day grid ──────────────────────────────────────────────────────────── */
.day-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 6px;
}

.day-card {
  background: var(--surface);
  padding: 16px 16px;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 100px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}
.day-card:hover {
  background: var(--surface-2);
  border-color: var(--border-2);
}

.day-card.empty {
  opacity: 0.4;
  cursor: default;
  pointer-events: none;
  background: transparent;
  border-style: dashed;
}

.day-card .day-num {
  font-size: 28px;
  font-weight: 300;
  color: var(--text);
  letter-spacing: -0.02em;
  line-height: 1;
}

.day-card .day-dow {
  font-size: 9px;
  letter-spacing: var(--track-eyebrow);
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 500;
}

.day-card .day-count {
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: var(--track-meta);
  margin-top: auto;
}


/* ─── Gallery header ────────────────────────────────────────────────────── */
.gallery-header {
  margin-bottom: 24px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.gallery-date {
  font-size: 18px;
  font-weight: 300;
  color: var(--text);
  letter-spacing: -0.005em;
}

.gallery-total {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: var(--track-meta);
}


/* ─── Thumbnail grid ────────────────────────────────────────────────────── */
.thumb-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 6px;
}

@media (max-width: 480px) {
  .thumb-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 3px;
  }
}

@media (min-width: 1024px) {
  .thumb-grid {
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  }
}

.thumb-slot {
  position: relative;
  aspect-ratio: 3/2;
  background: var(--surface);
  overflow: hidden;
  cursor: pointer;
  border-radius: var(--radius-sm);
}

.thumb-slot::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0);
  transition: background 160ms ease;
  pointer-events: none;
}
.thumb-slot:hover::after { background: rgba(0, 0, 0, 0.25); }

.thumb-slot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 320ms ease;
}
.thumb-slot img.loaded { opacity: 1; }

.thumb-slot .thumb-skeleton {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    var(--surface) 0%,
    var(--surface-2) 50%,
    var(--surface) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 1.6s infinite;
}

.thumb-slot img.loaded ~ .thumb-skeleton,
.thumb-slot.error .thumb-skeleton {
  display: none;
}

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

.thumb-slot .thumb-error {
  position: absolute;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: var(--track-eyebrow);
  text-transform: uppercase;
  background: var(--surface);
}
.thumb-slot.error .thumb-error { display: flex; }


/* ─── Load sentinel ─────────────────────────────────────────────────────── */
.load-sentinel {
  grid-column: 1 / -1;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.load-sentinel .spinner { width: 14px; height: 14px; border-width: 1.5px; }


/* ─── Empty state ───────────────────────────────────────────────────────── */
.empty-state {
  padding: 96px 0;
  text-align: center;
  color: var(--text-muted);
  font-size: 11px;
  letter-spacing: var(--track-eyebrow);
  text-transform: uppercase;
}


/* ─── Shoot label ───────────────────────────────────────────────────────── */
.shoot-label {
  grid-column: 1 / -1;
  font-size: 10px;
  letter-spacing: var(--track-label);
  color: var(--text-dim);
  text-transform: uppercase;
  font-weight: 500;
  padding: 24px 4px 8px;
  margin-top: 12px;
}
.shoot-label:first-child {
  padding-top: 0;
  margin-top: 0;
}


/* ─── Lightbox ──────────────────────────────────────────────────────────── */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(4, 4, 4, 0.98);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 1;
  transition: opacity 180ms ease;
}
.lightbox.hidden { display: none; }
.lightbox.entering { animation: lb-in 180ms ease forwards; }

@keyframes lb-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.lb-stage {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  padding: 72px 72px 64px;
}

.lb-img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  user-select: none;
  opacity: 0;
  transition: opacity 240ms ease;
  border-radius: var(--radius);
  box-shadow: 0 30px 80px -20px rgba(0, 0, 0, 0.75);
}
.lb-img.loaded { opacity: 1; }

.lb-spinner {
  position: absolute;
  width: 18px;
  height: 18px;
  border: 1.5px solid var(--border-2);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
.lb-spinner.hidden { display: none; }

.lb-close {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 210;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  border-radius: 50%;
  transition: color var(--transition), background var(--transition);
}
.lb-close:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
}

.lb-nav {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  z-index: 210;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  border-radius: 50%;
  transition: color var(--transition), background var(--transition);
}
.lb-nav:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
}
.lb-prev { left: 12px; }
.lb-next { right: 12px; }

.lb-nav:disabled {
  opacity: 0.15;
  cursor: default;
  pointer-events: none;
}

.lb-meta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 18px 24px 20px;
  font-size: 10px;
  color: var(--text-dim);
  letter-spacing: var(--track-label);
  text-align: center;
  text-transform: uppercase;
  font-weight: 400;
  pointer-events: none;
}


/* ─── Search overlay ────────────────────────────────────────────────────── */
.search-overlay {
  position: fixed;
  inset: 0;
  z-index: 150;
  background: rgba(4, 4, 4, 0.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 18dvh;
  animation: search-in 160ms ease;
}
.search-overlay.hidden { display: none; }

@keyframes search-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.search-inner {
  width: 100%;
  max-width: 520px;
  padding: 0 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.search-input {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border-2);
  color: var(--text);
  font-family: var(--font);
  font-size: 20px;
  font-weight: 300;
  padding: 16px 20px;
  border-radius: var(--radius-lg);
  outline: none;
  letter-spacing: 0.02em;
  transition: border-color var(--transition), box-shadow var(--transition);
  caret-color: var(--accent);
}

.search-input:focus {
  border-color: var(--accent-dim);
  box-shadow: 0 0 0 4px var(--accent-bg);
}

.search-input::placeholder {
  color: var(--text-muted);
  font-size: 16px;
}

.search-results {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.search-result {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 14px 18px;
  cursor: pointer;
  font-size: 13px;
  display: flex;
  align-items: baseline;
  gap: 16px;
  border-radius: var(--radius);
  transition: background var(--transition), border-color var(--transition);
  text-align: left;
}
.search-result:hover {
  background: var(--surface-2);
  border-color: var(--border-2);
}
.search-result:hover .sr-label { color: var(--accent); }

.search-result .sr-icon {
  color: var(--text-muted);
  font-size: 10px;
  letter-spacing: var(--track-eyebrow);
  font-weight: 500;
  text-transform: uppercase;
  flex-shrink: 0;
  min-width: 56px;
}

.search-result .sr-label {
  color: var(--text);
  font-weight: 400;
  transition: color var(--transition);
}

.search-result .sr-sub {
  color: var(--text-muted);
  font-size: 10px;
  margin-left: auto;
  letter-spacing: var(--track-meta);
}

.search-hint {
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: var(--track-label);
  text-align: center;
  padding: 12px 0 0;
  text-transform: uppercase;
}

.search-close {
  align-self: center;
  font-size: 10px;
  letter-spacing: var(--track-label);
  color: var(--text-muted);
  padding: 8px 16px;
  border: 1px solid var(--border-2);
  border-radius: 999px;
  transition: color var(--transition), border-color var(--transition);
  text-transform: uppercase;
  margin-top: 8px;
}
.search-close:hover {
  color: var(--text);
  border-color: var(--text-muted);
}


/* ─── Responsive ────────────────────────────────────────────────────────── */
@media (max-width: 640px) {
  html { font-size: 12px; }
  .app { padding: 32px 16px 60px; }
  .header-inner { padding: 0 16px; gap: 16px; }

  /* Collapse the search trigger to a circular icon on narrow screens */
  .search-trigger {
    width: 36px;
    min-width: 36px;
    padding: 0;
    justify-content: center;
    gap: 0;
  }
  .search-trigger .st-label,
  .search-trigger .st-kbd { display: none; }

  .view-header { margin-bottom: 32px; }
  .view-label { font-size: 28px; }

  .year-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
  .year-card { padding: 22px 18px; }
  .year-card .year-num { font-size: 32px; }

  .month-grid { grid-template-columns: repeat(2, 1fr); }
  .month-card { padding: 18px 16px; min-height: 100px; }
  .month-card .month-name { font-size: 18px; }

  .day-grid { grid-template-columns: repeat(auto-fill, minmax(82px, 1fr)); }
  .day-card { padding: 12px; min-height: 86px; }
  .day-card .day-num { font-size: 22px; }

  .gallery-date { font-size: 15px; }

  .lb-stage { padding: 60px 50px 50px; }
  .lb-prev { left: 6px; }
  .lb-next { right: 6px; }
  .lb-nav { width: 36px; height: 52px; }

  .search-inner { padding: 0 16px; }
  .search-input { font-size: 18px; }
  .search-input::placeholder { font-size: 15px; }
}

@media (min-width: 1200px) {
  .thumb-grid { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
}


/* ─── Focus ─────────────────────────────────────────────────────────────── */
:focus { outline: none; }

:focus-visible {
  outline: 1px solid var(--accent);
  outline-offset: 2px;
}

.year-card:focus-visible,
.month-card:focus-visible,
.day-card:focus-visible,
.thumb-slot:focus-visible {
  outline: 1px solid var(--accent);
  outline-offset: -1px;
  z-index: 1;
}


/* ─── Reduced motion ───────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}