/* Gallery — Carbon-inspired: true black, IBM blue, sharp corners. */

:root {
  --bg: #000000;
  --layer: #0d0d0d;
  --layer-2: #161616;
  --border: #262626;
  --text: #f4f4f4;
  --text-2: #a8a8a8;
  --blue: #0f62fe;
  --blue-hover: #0353e9;
  --blue-dim: #002d9c;
  --danger: #da1e28;
  --ok: #24a148;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  background: var(--bg);
  color: var(--text);
  font-family: "IBM Plex Sans", -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 15px;
  line-height: 1.45;
}

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

/* ---------- top bar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: 0.75rem;
  height: 48px; padding: 0 1rem;
  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.topbar .brand {
  font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
  font-size: 0.8rem;
}
.topbar .brand .dot { color: var(--blue); }
.topbar .crumb { color: var(--text-2); font-size: 0.85rem; overflow: hidden;
  text-overflow: ellipsis; white-space: nowrap; flex: 1; }
.topbar .spacer { flex: 1; }
.topbar button, .topbar a.btn-ghost {
  background: none; border: none; color: var(--text-2);
  padding: 0.4rem 0.6rem; font-size: 0.8rem;
}
.topbar button:hover, .topbar a.btn-ghost:hover { color: var(--text); }

.back-btn {
  background: none; border: none; color: var(--blue);
  font-size: 1.1rem; padding: 0.25rem 0.5rem 0.25rem 0;
}

/* ---------- layout ---------- */
.page { padding: 1rem; max-width: 1100px; margin: 0 auto; }
.page-title { font-size: 1.35rem; font-weight: 300; margin: 0.5rem 0 0.25rem; }
.page-sub { color: var(--text-2); font-size: 0.82rem; margin-bottom: 1rem; }

.empty {
  color: var(--text-2); text-align: center; padding: 3.5rem 1rem;
  border: 1px dashed var(--border); margin-top: 1rem; font-size: 0.9rem;
}

/* ---------- tile grids ---------- */
.grid { display: grid; gap: 2px; grid-template-columns: repeat(2, 1fr); }
@media (min-width: 640px) { .grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 960px) { .grid { grid-template-columns: repeat(4, 1fr); } }

.tile {
  position: relative; display: block; background: var(--layer);
  aspect-ratio: 3 / 4; overflow: hidden; border: 1px solid transparent;
}
.tile img { width: 100%; height: 100%; object-fit: cover; }
.tile:active { border-color: var(--blue); }
@media (hover: hover) {
  .tile:hover { border-color: var(--blue); }
  .tile:hover img { opacity: 0.85; }
}
.tile .label {
  position: absolute; inset: auto 0 0 0;
  padding: 1.4rem 0.6rem 0.5rem;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.85));
  font-size: 0.85rem; font-weight: 500;
}
.tile .label small { display: block; color: var(--text-2); font-weight: 400;
  font-size: 0.72rem; }
.tile.no-cover { display: flex; align-items: center; justify-content: center;
  color: var(--text-2); font-size: 0.8rem; }

/* image grid inside a set: tighter, square-ish */
.grid.photos .tile { aspect-ratio: 1 / 1; }

/* locked (above-grade) tiles: server already serves a blurred teaser */
.tile .clip-badge {
  position: absolute; right: 8px; bottom: 8px;
  font-size: 11px; line-height: 1;
  color: #fff; background: rgba(0, 0, 0, 0.55);
  border-radius: 4px; padding: 4px 6px;
  pointer-events: none;
}
.tile .lock-badge {
  position: absolute; inset: auto 0 0 0;
  display: flex; align-items: center; justify-content: center; gap: 0.45rem;
  padding: 1.1rem 0.5rem 0.45rem;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.75));
  color: var(--text); font-size: 0.95rem; pointer-events: none;
}
.tile .lock-badge .grade-meter i { background: rgba(255, 255, 255, 0.25); }
.tile .lock-badge .grade-meter i.on { background: #78a9ff; }
.tile .lock-badge .lock-title {
  flex: 1; min-width: 0; text-align: left;
  font-size: 0.72rem; font-style: italic; color: var(--text);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.lightbox .lb-bar .lb-title {
  font-style: italic; color: var(--text);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  max-width: 40vw; display: inline-block; vertical-align: bottom;
}

/* ---------- grade meter (signature) ---------- */
.grade-meter { display: inline-flex; gap: 2px; vertical-align: middle; }
.grade-meter i {
  width: 10px; height: 4px; background: var(--border); display: block;
}
.grade-meter i.on { background: var(--blue); }
.grade-meter.g5 i.on { background: #78a9ff; }

/* ---------- lightbox ---------- */
.lightbox {
  position: fixed; inset: 0; z-index: 50; background: #000;
  display: none; flex-direction: column;
}
.lightbox.open { display: flex; }
.lightbox .lb-stage { flex: 1; display: flex; align-items: center;
  justify-content: center; min-height: 0; touch-action: pan-y; }
.lightbox .lb-stage img,
.lightbox .lb-stage video { max-width: 100vw; max-height: 100%; object-fit: contain; }
.lightbox .lb-bar {
  display: flex; align-items: center; gap: 0.75rem; padding: 0.6rem 1rem;
  border-top: 1px solid var(--border); font-size: 0.8rem; color: var(--text-2);
}
.lightbox .lb-bar .spacer { flex: 1; }
.lightbox .lb-bar button {
  background: none; border: 1px solid var(--border); color: var(--text);
  padding: 0.45rem 0.9rem; min-width: 44px;
}
.lightbox .lb-bar button:hover { border-color: var(--blue); }
.lightbox .lb-close {
  position: absolute; top: 0.5rem; right: 0.5rem; z-index: 51;
  background: rgba(0,0,0,0.6); border: 1px solid var(--border);
  color: var(--text); width: 44px; height: 44px; font-size: 1.1rem;
}

/* ---------- forms ---------- */
.field { margin-bottom: 1rem; }
.field label { display: block; font-size: 0.75rem; color: var(--text-2);
  margin-bottom: 0.35rem; letter-spacing: 0.03em; }
input[type="text"], input[type="password"], input[type="number"], select {
  width: 100%; padding: 0.65rem 0.75rem;
  background: var(--layer-2); color: var(--text);
  border: none; border-bottom: 1px solid var(--border);
  font: inherit; outline: none;
}
input:focus, select:focus { border-bottom-color: var(--blue); }

.btn {
  display: inline-block; background: var(--blue); color: #fff;
  border: none; padding: 0.7rem 1.4rem; font-size: 0.9rem;
}
.btn:hover { background: var(--blue-hover); }
.btn.secondary { background: var(--layer-2); border: 1px solid var(--border); }
.btn.secondary:hover { border-color: var(--blue); }
.btn.danger { background: none; border: 1px solid var(--danger); color: var(--danger); }
.btn.small { padding: 0.4rem 0.8rem; font-size: 0.78rem; }
.btn[disabled] { opacity: 0.5; cursor: default; }

.error-msg { color: #ff8389; font-size: 0.82rem; min-height: 1.2em; margin: 0.5rem 0; }

/* ---------- login ---------- */
.login-wrap {
  min-height: 100dvh; display: flex; align-items: center; justify-content: center;
  padding: 1.5rem;
}
.login-card { width: 100%; max-width: 360px; }
.login-card .brand { font-size: 0.8rem; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--text-2); margin-bottom: 0.4rem; }
.login-card .brand b { color: var(--text); }
.login-card .brand .dot { color: var(--blue); }
.login-card h1 { font-weight: 300; font-size: 1.6rem; margin-bottom: 1.5rem; }
.login-card .btn { width: 100%; margin-top: 0.5rem; }

/* ---------- admin ---------- */
.tabs { display: flex; border-bottom: 1px solid var(--border); margin-bottom: 1rem; }
.tabs button {
  background: none; border: none; border-bottom: 2px solid transparent;
  color: var(--text-2); padding: 0.7rem 1rem; font-size: 0.85rem;
}
.tabs button.active { color: var(--text); border-bottom-color: var(--blue); }

.card {
  background: var(--layer); border: 1px solid var(--border);
  padding: 1rem; margin-bottom: 0.75rem;
}
.card h3 { font-weight: 500; font-size: 0.95rem; }
.row { display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap; }
.muted { color: var(--text-2); font-size: 0.8rem; }
.pill {
  display: inline-block; padding: 0.1rem 0.5rem; font-size: 0.7rem;
  border: 1px solid var(--border); color: var(--text-2); white-space: nowrap;
}
.pill.warn { border-color: #f1c21b; color: #f1c21b; }
.pill.blue { border-color: var(--blue); color: #78a9ff; }

.check-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 0.25rem 0.75rem; margin: 0.5rem 0; }
.check-grid label { display: flex; align-items: center; gap: 0.45rem;
  font-size: 0.85rem; padding: 0.3rem 0; }
input[type="checkbox"] { width: 18px; height: 18px; accent-color: var(--blue); }

.grade-picker { display: inline-flex; gap: 2px; }
.grade-picker button {
  width: 38px; height: 34px; background: var(--layer-2);
  border: 1px solid var(--border); color: var(--text-2); font-size: 0.85rem;
}
.grade-picker button.sel { background: var(--blue); border-color: var(--blue);
  color: #fff; }

.item-row {
  display: flex; gap: 0.75rem; align-items: center;
  border-bottom: 1px solid var(--border); padding: 0.6rem 0;
}
.item-row .thumbs { display: flex; gap: 2px; overflow-x: auto; }
.item-row .thumbs img { width: 72px; height: 72px; object-fit: cover;
  flex-shrink: 0; }
.item-row .meta { min-width: 90px; }

.toast {
  position: fixed; bottom: 1rem; left: 50%; transform: translateX(-50%);
  background: var(--layer-2); border-left: 3px solid var(--blue);
  padding: 0.7rem 1.2rem; font-size: 0.85rem; z-index: 100;
  opacity: 0; transition: opacity 0.2s; pointer-events: none;
  max-width: 90vw;
}
.toast.show { opacity: 1; }
.toast.err { border-left-color: var(--danger); }

.modal-back {
  position: fixed; inset: 0; background: rgba(0,0,0,0.7); z-index: 40;
  display: none; align-items: flex-end; justify-content: center;
}
@media (min-width: 640px) { .modal-back { align-items: center; } }
.modal-back.open { display: flex; }
.modal {
  background: var(--layer); border: 1px solid var(--border);
  width: 100%; max-width: 520px; max-height: 90dvh; overflow-y: auto;
  padding: 1.25rem;
}
.modal h2 { font-weight: 300; font-size: 1.2rem; margin-bottom: 1rem; }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}
:focus-visible { outline: 2px solid var(--blue); outline-offset: 1px; }