:root {
  --bg: #0f1115;
  --panel: #1a1d24;
  --panel-2: #222630;
  --text: #e8eaf0;
  --muted: #8b93a5;
  --accent: #4f8cff;
  --accent-2: #3a6fd8;
  --danger: #e5534b;
  --ok: #3fb950;
  --radius: 10px;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--accent); text-decoration: none; }
h1 { font-size: 1.4rem; } h2 { font-size: 1.1rem; }
main { max-width: 1200px; margin: 0 auto; padding: 16px; }
.muted { color: var(--muted); }
.center { text-align: center; margin-top: 40px; }
.spacer { flex: 1; }
.error { color: var(--danger); min-height: 1.2em; margin: 6px 0 0; }
hr { border: 0; border-top: 1px solid var(--panel-2); margin: 14px 0; }

/* top bar */
.topbar {
  display: flex; align-items: center; gap: 16px;
  padding: 10px 16px; background: var(--panel);
  border-bottom: 1px solid var(--panel-2);
  position: sticky; top: 0; z-index: 50;
}
.brand a { color: var(--text); font-weight: 700; font-size: 1.05rem; }
.brand .tag { color: var(--accent); font-weight: 400; font-size: .8rem; }
.topbar nav { display: flex; gap: 14px; margin-left: auto; flex-wrap: wrap; }
.topbar nav a { color: var(--muted); }
.topbar nav a.active, .topbar nav a:hover { color: var(--text); }

/* cards & forms */
.card {
  background: var(--panel); border: 1px solid var(--panel-2);
  border-radius: var(--radius); padding: 16px; margin-bottom: 16px;
}
.centered { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.auth-card { width: 100%; max-width: 380px; margin: 40px auto; }
.gate { margin-top: 60px; }
label { display: block; margin: 10px 0 4px; color: var(--muted); font-size: .9rem; }
input[type=text], input[type=email], input[type=password], input[type=date],
input[type=search], select, textarea {
  width: 100%; padding: 8px 10px; margin-top: 4px;
  background: var(--panel-2); color: var(--text);
  border: 1px solid #2e3340; border-radius: 6px; font: inherit;
}
input:focus, select:focus, textarea:focus { outline: 1px solid var(--accent); }
details summary { cursor: pointer; color: var(--muted); margin: 8px 0; }

.btn {
  display: inline-block; padding: 8px 14px; margin-top: 8px;
  background: var(--panel-2); color: var(--text);
  border: 1px solid #2e3340; border-radius: 6px;
  font: inherit; cursor: pointer;
}
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { background: var(--accent-2); }
.btn.danger { color: var(--danger); }
.btn.danger:hover { border-color: var(--danger); }
.btn.tiny { padding: 0 7px; margin: 0 0 0 6px; font-size: .8rem; }
.badge {
  background: var(--panel-2); color: var(--muted);
  padding: 2px 8px; border-radius: 999px; font-size: .75rem;
}

/* toolbar (admin photos) */
.toolbar {
  display: flex; gap: 8px; flex-wrap: wrap; align-items: center;
  margin-bottom: 14px;
}
.toolbar input, .toolbar select { width: auto; margin: 0; }
.toolbar .btn { margin: 0; }

/* photo grid */
.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 8px; margin-bottom: 20px;
}
.tile {
  position: relative; border-radius: 8px; overflow: hidden;
  background: var(--panel-2); aspect-ratio: 1; cursor: pointer;
}
.tile img { width: 100%; height: 100%; object-fit: cover; display: block; }
.tile-info {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 20px 8px 6px; font-size: .72rem; color: #fff;
  background: linear-gradient(transparent, rgba(0,0,0,.75));
  display: flex; flex-direction: column; gap: 1px;
  opacity: 0; transition: opacity .15s;
}
.tile:hover .tile-info { opacity: 1; }
.tile-info .loc, .tile-info .alb { color: #cdd6e4; }

/* selection */
.selectable .tile .check {
  position: absolute; top: 6px; left: 6px;
  width: 22px; height: 22px; border-radius: 50%;
  background: rgba(0,0,0,.5); border: 2px solid #fff;
  color: transparent; font-size: 13px; line-height: 19px; text-align: center;
}
.selectable .tile.sel { outline: 3px solid var(--accent); outline-offset: -3px; }
.selectable .tile.sel .check { background: var(--accent); color: #fff; }

/* bulk action bar */
.bulkbar {
  position: fixed; left: 50%; transform: translateX(-50%);
  bottom: 14px; z-index: 60;
  display: flex; gap: 8px; align-items: center; flex-wrap: wrap;
  background: var(--panel); border: 1px solid var(--accent);
  border-radius: var(--radius); padding: 10px 14px;
  box-shadow: 0 8px 30px rgba(0,0,0,.5);
  max-width: 95vw;
}
.bulkbar input, .bulkbar select { width: auto; margin: 0; }
.bulkbar .btn { margin: 0; }
#bulk-count { font-weight: 600; white-space: nowrap; }

/* upload */
.dropzone {
  border: 2px dashed #3a4152; border-radius: var(--radius);
  padding: 40px; text-align: center; margin: 16px 0;
  transition: border-color .15s, background .15s;
}
.dropzone.over { border-color: var(--accent); background: rgba(79,140,255,.08); }
.upload-options { max-width: 480px; }
.upload-options select[multiple] { height: auto; }
.progress { height: 8px; background: var(--panel-2); border-radius: 4px; overflow: hidden; }
.progress .bar { height: 100%; width: 0; background: var(--accent); transition: width .2s; }
.upload-results { list-style: none; padding: 0; font-size: .85rem; max-height: 300px; overflow: auto; }
.upload-results .ok { color: var(--ok); }
.upload-results .fail { color: var(--danger); }

/* albums admin */
.album-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.album-head h2 { margin: 0; }
.album-head .btn { margin: 0; }
.album-edit { margin-top: 12px; border-top: 1px solid var(--panel-2); padding-top: 8px; }
.inline-form { display: flex; gap: 8px; flex-wrap: wrap; }
.inline-form input { width: auto; flex: 1; min-width: 140px; margin: 0; }
.inline-form .btn { margin: 0; }
.wl-list li, #wl-list li { margin: 4px 0; }

/* public feed */
.chips { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 18px; }
.chip {
  background: var(--panel); border: 1px solid var(--panel-2);
  color: var(--text); padding: 6px 12px; border-radius: 999px; font-size: .85rem;
}
.chip:hover, .chip.active { border-color: var(--accent); }
.chip .count { color: var(--muted); font-size: .75rem; }
.day-head {
  margin: 22px 0 10px; font-size: 1rem; color: var(--muted);
  border-bottom: 1px solid var(--panel-2); padding-bottom: 6px;
}
.album-title .back { display: inline-block; margin-bottom: 6px; color: var(--muted); }
.album-title h1 { margin: 0; }

/* lightbox */
#lightbox {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(5,6,10,.95);
  display: flex; align-items: center; justify-content: center;
}
#lightbox[hidden] { display: none; }
#lb-img { max-width: 92vw; max-height: 86vh; object-fit: contain; border-radius: 4px; }
.lb-close, .lb-prev, .lb-next {
  position: fixed; background: none; border: none; color: #fff;
  font-size: 2.2rem; cursor: pointer; opacity: .7; padding: 10px 16px; z-index: 101;
}
.lb-close:hover, .lb-prev:hover, .lb-next:hover { opacity: 1; }
.lb-close { top: 8px; right: 12px; }
.lb-prev { left: 4px; top: 50%; transform: translateY(-50%); }
.lb-next { right: 4px; top: 50%; transform: translateY(-50%); }
.lb-bar {
  position: fixed; bottom: 12px; left: 50%; transform: translateX(-50%);
  color: #cdd6e4; font-size: .85rem; background: rgba(0,0,0,.5);
  padding: 6px 14px; border-radius: 999px; white-space: nowrap;
}
.lb-bar a { margin-left: 12px; }

@media (max-width: 600px) {
  .photo-grid { grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); gap: 4px; }
  .bulkbar { bottom: 0; border-radius: var(--radius) var(--radius) 0 0; width: 100vw; max-width: 100vw; }
}