:root {
  --bg: #0f0f11;
  --bg-card: #18181b;
  --bg-card-2: #1f1f23;
  --border: rgba(255, 255, 255, 0.08);
  --text: #e4e4e7;
  --text-muted: #9a9aa2;
  --accent: #2563eb;
  --accent-2: #1d4ed8;
  --danger: #ef4444;
  --danger-bg: rgba(239, 68, 68, 0.12);
  --radius: 10px;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: #3b82f6; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(145deg, #18181b 0%, #141416 100%);
}
.brand { font-weight: 700; font-size: 1.1rem; color: var(--text); }
.brand span { color: var(--accent); font-weight: 600; }
.topnav { display: flex; align-items: center; gap: 1.25rem; font-size: 0.9rem; }

.link-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-family: inherit;
  font-size: 0.9rem;
  cursor: pointer;
  padding: 0;
}
.link-btn:hover { color: var(--text); }

.content {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

.muted { color: var(--text-muted); }

/* ---------- login ---------- */
.login-wrap { display: flex; justify-content: center; padding-top: 4rem; }
.login-card {
  width: 100%;
  max-width: 340px;
  background: linear-gradient(145deg, var(--bg-card) 0%, #1a1a1d 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.login-card h1 { font-size: 1.2rem; margin: 0; }
.login-card label { font-size: 0.85rem; color: var(--text-muted); margin-top: 0.5rem; }
.login-card input {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.6rem 0.7rem;
  color: var(--text);
  font-size: 0.95rem;
}
.login-card button {
  margin-top: 0.75rem;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  border: none;
  border-radius: 8px;
  color: #fff;
  padding: 0.6rem;
  font-weight: 600;
  cursor: pointer;
}
.error {
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #fca5a5;
  border-radius: 8px;
  padding: 0.5rem 0.7rem;
  font-size: 0.85rem;
}

/* ---------- toolbar / buttons ---------- */
.toolbar { display: flex; flex-wrap: wrap; gap: 0.6rem; align-items: center; margin-bottom: 1.25rem; }
.inline { display: inline-flex; align-items: center; gap: 0.5rem; }
.search-input {
  margin-left: auto;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.5rem 0.75rem;
  color: var(--text);
  min-width: 220px;
}
.toolbar input[type=text] {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.5rem 0.75rem;
  color: var(--text);
}
.btn {
  display: inline-flex;
  align-items: center;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  padding: 0.5rem 0.9rem;
  font-size: 0.88rem;
  font-family: inherit;
  cursor: pointer;
}
.btn:hover { background: rgba(255,255,255,0.1); color: var(--text); }
.btn-primary { background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%); border-color: transparent; color: #fff; }
.btn-danger { background: var(--danger-bg); border-color: rgba(239,68,68,0.3); color: #fca5a5; }
.btn-danger:hover { background: rgba(239,68,68,0.2); color: #fecaca; }

/* ---------- gallery grid (list of galleries) ---------- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
}
.gallery-card {
  background: linear-gradient(145deg, var(--bg-card) 0%, #1a1a1d 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.gallery-card:hover { border-color: rgba(255,255,255,0.18); }
.gallery-thumb { aspect-ratio: 16 / 10; background: #000; display: flex; align-items: center; justify-content: center; }
.gallery-thumb img { width: 100%; height: 100%; object-fit: cover; }
.gallery-thumb-empty { color: var(--text-muted); font-size: 0.85rem; }
.gallery-meta { display: flex; justify-content: space-between; align-items: center; padding: 0.65rem 0.85rem; }
.gallery-name { font-weight: 600; font-size: 0.92rem; color: var(--text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.gallery-count { color: var(--text-muted); font-size: 0.82rem; background: rgba(255,255,255,0.06); border-radius: 999px; padding: 0.1rem 0.55rem; }

/* ---------- breadcrumb ---------- */
.breadcrumb { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 1rem; }
.breadcrumb span { margin: 0 0.35rem; }
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--text); }

/* ---------- panels ---------- */
.panel {
  background: linear-gradient(145deg, var(--bg-card) 0%, #1a1a1d 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  margin-bottom: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}
.field-row { display: flex; flex-direction: column; gap: 0.4rem; }
.field-row label { font-size: 0.82rem; color: var(--text-muted); }
.copy-row { display: flex; gap: 0.5rem; }
.copy-row input {
  flex: 1;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.5rem 0.7rem;
  color: var(--text);
  font-size: 0.85rem;
}
.codes-controls { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.codes-controls select {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  padding: 0.45rem 0.6rem;
  font-family: inherit;
}
#codes-output {
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.82rem;
  padding: 0.6rem 0.7rem;
  resize: vertical;
}
.upload-form input[type=file] { color: var(--text-muted); }
.settings-panel input[type=text] { flex: 1; }

/* ---------- image grid ---------- */
.image-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: 0.9rem;
}
.image-card {
  background: linear-gradient(145deg, var(--bg-card) 0%, #1a1a1d 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.image-card img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; display: block; background: #000; }
.image-meta { padding: 0.5rem 0.6rem; display: flex; flex-direction: column; gap: 0.4rem; }
.image-name { font-size: 0.78rem; color: var(--text-muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.image-actions { display: flex; gap: 0.4rem; }
.icon-btn {
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-muted);
  font-size: 0.72rem;
  padding: 0.25rem 0.5rem;
  cursor: pointer;
  font-family: inherit;
}
.icon-btn:hover { color: var(--text); background: rgba(255,255,255,0.1); }
.icon-btn-danger:hover { color: #fca5a5; background: rgba(239,68,68,0.15); }

@media (max-width: 480px) {
  .content { padding: 1.25rem 1rem 3rem; }
  .search-input { margin-left: 0; width: 100%; }
  .toolbar { flex-direction: column; align-items: stretch; }
}