:root {
  --bg: #0d1117;
  --surface: #161b22;
  --surface2: #1c2330;
  --border: #30363d;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #58a6ff;
  --accent-hover: #388bfd;
  --danger: #f85149;
  --success: #3fb950;
  --warn: #d29922;
  --unity: #222c37;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
}
.container { max-width: 1100px; margin: 0 auto; padding: 1.5rem 1rem; }
h1 { font-size: 1.4rem; margin-bottom: 0.2rem; }
h2 { font-size: 1.1rem; margin-bottom: 0.75rem; }
.subtitle { color: var(--muted); font-size: 0.875rem; margin-bottom: 1.25rem; }
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem;
  margin-bottom: 1rem;
}
label { display: block; font-size: 0.8rem; color: var(--muted); margin-bottom: 0.35rem; }
input[type="password"], input[type="text"], input[type="number"] {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 0.95rem;
}
button, .btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.5rem 0.9rem;
  border-radius: 8px;
  border: none;
  font-size: 0.875rem;
  cursor: pointer;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
}
button:hover, .btn:hover { background: var(--accent-hover); }
button.secondary { background: var(--border); }
button.secondary:hover { background: #484f58; }
button.danger { background: var(--danger); }
button.success { background: var(--success); }
.toolbar { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1rem; align-items: center; }
.breadcrumb { color: var(--muted); font-size: 0.875rem; margin-bottom: 0.75rem; word-break: break-all; }
.breadcrumb a { color: var(--accent); cursor: pointer; text-decoration: none; }
table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }
th, td { text-align: left; padding: 0.6rem 0.5rem; border-bottom: 1px solid var(--border); vertical-align: middle; }
th { color: var(--muted); font-weight: 500; }
tr:hover td { background: rgba(255,255,255,0.02); }
.icon { width: 1.1rem; display: inline-block; text-align: center; }
.actions { display: flex; gap: 0.35rem; flex-wrap: wrap; }
.actions button, .actions .btn { padding: 0.3rem 0.55rem; font-size: 0.8rem; }
.hidden { display: none !important; }
.centered { max-width: 420px; margin: 4rem auto; }
.msg-error { color: var(--danger); font-size: 0.875rem; margin-top: 0.5rem; }
.msg-ok { color: var(--success); font-size: 0.875rem; margin-top: 0.5rem; }
.upload-row { display: flex; gap: 0.5rem; flex-wrap: wrap; align-items: center; }
input[type="file"] { font-size: 0.85rem; color: var(--muted); }
.size { color: var(--muted); font-variant-numeric: tabular-nums; }
.badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  font-size: 0.75rem;
  background: var(--surface2);
  border: 1px solid var(--border);
}
.badge.admin { border-color: var(--warn); color: var(--warn); }
.storage-bar-wrap { margin-bottom: 1rem; }
.storage-bar-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 0.35rem;
}
.storage-bar {
  height: 10px;
  background: var(--bg);
  border-radius: 999px;
  overflow: hidden;
  border: 1px solid var(--border);
}
.storage-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), #79c0ff);
  border-radius: 999px;
  transition: width 0.3s;
}
.storage-bar-fill.warn { background: linear-gradient(90deg, var(--warn), #e3b341); }
.storage-bar-fill.danger { background: linear-gradient(90deg, var(--danger), #ff7b72); }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 700px) { .grid-2 { grid-template-columns: 1fr; } }
.stat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.75rem; margin-bottom: 1rem; }
.stat-box {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.85rem;
}
.stat-box .label { font-size: 0.75rem; color: var(--muted); }
.stat-box .value { font-size: 1.1rem; font-weight: 600; margin-top: 0.2rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; margin-bottom: 0.75rem; }
.form-row.full { grid-template-columns: 1fr; }
.top-nav { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; flex-wrap: wrap; gap: 0.5rem; }
.api-key-box {
  font-family: ui-monospace, monospace;
  font-size: 0.8rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.5rem 0.75rem;
  word-break: break-all;
  margin-top: 0.35rem;
}
.transfer-panel {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.85rem;
  margin-bottom: 1rem;
}
.transfer-header {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  font-size: 0.875rem;
  flex-wrap: wrap;
}
.transfer-meta {
  display: flex;
  justify-content: space-between;
  margin-top: 0.35rem;
  font-variant-numeric: tabular-nums;
}
#transfer-fill {
  transition: width 0.15s ease-out;
}