:root {
  --fg: #1a1a1a;
  --fg-muted: #6b7280;
  --fg-faint: #9ca3af;
  --bg: #fafafa;
  --card: #fff;
  --border: #e5e7eb;
  --accent: #2563eb;
  --tile-bg: #f3f4f6;
  --badge-bg: #f3f4f6;
  --long-accent: #f59e0b;
  --radius: 6px;
  --gap: 14px;
  font-family: -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  max-width: 820px;
  margin: 0 auto;
  padding: 24px 20px 80px;
}

.site-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 24px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}
.site-head h1 {
  font-size: 20px;
  font-weight: 600;
  margin: 0;
  letter-spacing: -0.01em;
}
.site-head h1 a {
  color: inherit;
  text-decoration: none;
}
.site-head h1 a:hover {
  color: var(--accent);
}
.site-head .count {
  color: var(--fg-muted);
  font-size: 13px;
  margin: 0;
  margin-right: auto;
}
.site-head .logout-link {
  font-size: 13px;
  color: var(--fg-muted);
}
.site-head .logout-link:hover {
  color: var(--accent);
}

/* Login */
.login-form {
  max-width: 360px;
  margin: 0 auto;
}
.login-error {
  background: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
  border-radius: 4px;
  padding: 8px 12px;
  margin-bottom: 10px;
  font-size: 13px;
}

/* Card */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-bottom: var(--gap);
  /* Scroll-perf: browser skips layout/paint for off-screen cards entirely */
  content-visibility: auto;
  contain-intrinsic-size: auto 220px;
}
.card-head {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 8px;
  font-size: 12px;
}
.card-head .date {
  color: var(--fg-muted);
  font-variant-numeric: tabular-nums;
  font-weight: 500;
}
.card-head .type-badge {
  background: var(--badge-bg);
  color: var(--fg-muted);
  border-radius: 4px;
  padding: 2px 7px;
  font-size: 11px;
}
.card-head .long-badge {
  background: #fef3c7;
  color: #92400e;
  border-radius: 4px;
  padding: 2px 7px;
  font-size: 11px;
  font-weight: 500;
}

.card .text {
  white-space: pre-wrap;
  overflow-wrap: break-word;
  margin: 4px 0 10px;
}

.card .external {
  margin: 6px 0;
  font-size: 13px;
  word-break: break-all;
}

.card .external-media {
  margin: 8px 0;
  max-width: 480px;
}
.card .external-media img,
.card .external-media video {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 4px;
  background: var(--tile-bg);
}

.card .empty-note {
  color: var(--fg-faint);
  font-style: italic;
  font-size: 13px;
}

/* Media grid */
.media-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 6px;
  margin-top: 8px;
}
.media-grid.single {
  grid-template-columns: minmax(0, 320px);
}
.media-tile {
  position: relative;
  display: block;
  aspect-ratio: 1 / 1;
  background: var(--tile-bg);
  border-radius: 4px;
  overflow: hidden;
}
.media-tile img,
.media-tile video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.media-tile .video-mark {
  position: absolute;
  bottom: 6px;
  right: 6px;
  background: rgba(0,0,0,0.7);
  color: #fff;
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 3px;
  font-weight: 500;
  letter-spacing: 0.03em;
}
.media-tile .missing {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--fg-faint);
  font-size: 11px;
}
.media-tile .missing.hidden { display: none; }

/* Footer meta */
.card .meta {
  margin-top: 10px;
  font-size: 12px;
  color: var(--fg-muted);
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.card .meta .album::before { content: "in "; color: var(--fg-faint); }

/* Filters */
.filters {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
  margin-bottom: 16px;
}
.filters .filter-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.filters .filter-row + .filter-row {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
}
.filters .filter-row.secondary {
  font-size: 13px;
  color: var(--fg-muted);
}
.filters .filter-text {
  flex: 1;
  min-width: 200px;
  padding: 7px 10px;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 14px;
  font-family: inherit;
  color: var(--fg);
  background: #fff;
}
.filters .filter-text:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}
.filters .filter-date input[type="date"] {
  padding: 4px 6px;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-family: inherit;
  font-size: 13px;
  color: var(--fg);
  background: #fff;
  margin-left: 4px;
}
.filters .filter-check {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  user-select: none;
}
.filters button[type="submit"] {
  padding: 7px 16px;
  background: var(--accent);
  color: #fff;
  border: 1px solid var(--accent);
  border-radius: 4px;
  font-weight: 500;
  cursor: pointer;
  font-size: 14px;
  font-family: inherit;
}
.filters button[type="submit"]:hover { background: #1d4ed8; }
.filters .filter-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 12px;
}
.filters .filter-actions a {
  font-size: 13px;
}

.empty-state {
  text-align: center;
  padding: 48px 20px;
  color: var(--fg-muted);
  font-size: 14px;
  background: var(--card);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
}

/* Pagination */
.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 24px;
  padding: 12px 0;
  gap: 12px;
  font-size: 14px;
}
.pagination a,
.pagination .disabled {
  padding: 6px 12px;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--fg);
  font-weight: 500;
}
.pagination a:hover { background: var(--badge-bg); text-decoration: none; }
.pagination .disabled { color: var(--fg-faint); cursor: not-allowed; }
.pagination .page-indicator {
  color: var(--fg-muted);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
}