:root {
  --bg: #0f1419;
  --panel: #1a2332;
  --border: #2a3a4f;
  --text: #e7eef7;
  --muted: #8aa0b8;
  --accent: #3b82f6;
  --danger: #ef4444;
  --ok: #22c55e;
}
* { box-sizing: border-box; }
body {
  margin: 0; font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--bg); color: var(--text); min-height: 100vh;
}
.panel { max-width: 420px; margin: 10vh auto; background: var(--panel); padding: 2rem; border-radius: 12px; border: 1px solid var(--border); }
.center { text-align: center; }
.panel form { display: flex; flex-direction: column; gap: .75rem; text-align: left; }
label { display: flex; flex-direction: column; gap: .35rem; font-size: .9rem; color: var(--muted); }
input, button, .btn {
  font: inherit; border-radius: 8px; border: 1px solid var(--border); padding: .55rem .75rem;
  background: #0b1220; color: var(--text);
}
button, .btn { background: var(--accent); border-color: transparent; cursor: pointer; color: white; }
button.ghost, .ghost { background: transparent; border-color: var(--border); color: var(--text); }
.error { color: var(--danger); }
.muted { color: var(--muted); font-size: .9rem; }
.topbar {
  display: flex; align-items: center; gap: .75rem; padding: .75rem 1rem;
  border-bottom: 1px solid var(--border); background: var(--panel);
}
.brand { font-weight: 700; }
.spacer { flex: 1; }
.layout { display: grid; grid-template-columns: 220px 1fr; min-height: calc(100vh - 56px); }
aside { border-right: 1px solid var(--border); padding: 1rem; background: #121a26; }
aside ul { list-style: none; padding: 0; margin: 0; }
aside li button {
  width: 100%; text-align: left; background: transparent; border: none; color: var(--text);
  padding: .5rem .6rem; border-radius: 6px; margin-bottom: .25rem;
}
aside li button.active, aside li button:hover { background: #243247; }
main { padding: 1rem; }
.toolbar { display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin-bottom: .75rem; flex-wrap: wrap; }
.actions { display: flex; gap: .5rem; align-items: center; }
.files { width: 100%; border-collapse: collapse; }
.files th, .files td { text-align: left; padding: .55rem .4rem; border-bottom: 1px solid var(--border); font-size: .92rem; }
.files tr:hover td { background: #152033; }
.icon { width: 1.4rem; display: inline-block; }
.row-actions button { padding: .25rem .45rem; font-size: .8rem; margin-left: .25rem; }
#breadcrumbs button { background: transparent; border: none; color: var(--accent); padding: 0 .2rem; }
.admin-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; padding: 1rem; }
.admin-grid ul { list-style: none; padding: 0; }
.admin-grid li { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: .75rem; margin: .5rem 0; }
.check { flex-direction: row; align-items: center; gap: .5rem; color: var(--text); }
#preview { border: none; border-radius: 12px; padding: 0; max-width: min(96vw, 1100px); max-height: 92vh; background: #000; color: white; }
#preview::backdrop { background: rgba(0,0,0,.65); }
#preview .close { position: absolute; right: .5rem; top: .5rem; z-index: 2; }
#preview-body { padding: 1rem; display: flex; justify-content: center; align-items: center; min-width: 280px; min-height: 200px; }
#preview-body img, #preview-body video { max-width: 90vw; max-height: 85vh; }
@media (max-width: 800px) {
  .layout, .admin-grid { grid-template-columns: 1fr; }
  aside { border-right: none; border-bottom: 1px solid var(--border); }
}

.admin-form { display: flex; flex-direction: column; gap: .5rem; margin-bottom: .75rem; }
.admin-form input[type="text"], .admin-form input:not([type]), .admin-form input[type="password"] { width: 100%; }
.user-card { display: flex; flex-direction: column; gap: .35rem; }
.user-card .meta { font-size: .85rem; color: var(--muted); }
.user-card .quota-bar {
  height: 6px; background: #0b1220; border-radius: 4px; overflow: hidden; border: 1px solid var(--border);
}
.user-card .quota-bar > span { display: block; height: 100%; background: var(--accent); }
.user-card .quota-bar.over > span { background: var(--danger); }
.user-card .row-btns { display: flex; flex-wrap: wrap; gap: .35rem; margin-top: .35rem; }
.badge { display: inline-block; font-size: .72rem; padding: .1rem .4rem; border-radius: 999px; border: 1px solid var(--border); color: var(--muted); }
.badge.admin { color: #93c5fd; border-color: #3b82f6; }
.badge.disabled { color: #fca5a5; border-color: var(--danger); }
#user-edit-dialog {
  border: 1px solid var(--border); border-radius: 12px; padding: 1.25rem; background: var(--panel); color: var(--text);
  max-width: min(96vw, 420px); width: 100%;
}
#user-edit-dialog::backdrop { background: rgba(0,0,0,.55); }
#user-edit-dialog .dialog-close { position: absolute; right: .5rem; top: .5rem; margin: 0; }
#user-edit-dialog { position: relative; }
.sep { border: none; border-top: 1px solid var(--border); margin: 1rem 0; }