:root {
  --bg: #0f1420;
  --panel: #161d2e;
  --border: #262f45;
  --text: #e6e9f0;
  --muted: #8a93a6;
  --accent: #4f8cff;
  --red: #ef5350;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 -apple-system, "Segoe UI", Roboto, sans-serif;
}

a { color: var(--accent); }

.topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 24px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}

.brand { font-weight: 700; font-size: 16px; flex: 1; }
.topbar-user { color: var(--muted); font-size: 13px; }

.content { max-width: 1400px; margin: 0 auto; padding: 24px; }
.page-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 16px; }
h1 { margin: 0; font-size: 22px; }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-bottom: 20px;
}

.login-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-card {
  width: min(420px, 100%);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}

.brand-badge {
  display: inline-block;
  margin-bottom: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(79, 140, 255, 0.15);
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
}

.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.field label { color: var(--muted); font-size: 12px; text-transform: uppercase; }
.field input, .filters select, .filters input {
  width: 100%;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  text-decoration: none;
  cursor: pointer;
  font: inherit;
}

.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-sm { padding: 6px 12px; font-size: 13px; }

.alert { padding: 12px 14px; border-radius: 8px; margin-bottom: 14px; }
.alert-error { background: rgba(239, 83, 80, 0.12); border: 1px solid var(--red); color: #ffb4b1; }

.filter-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
}

.filter-actions { display: flex; gap: 8px; align-items: end; }

.table-scroll { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: 13px; }
.table th, .table td { padding: 8px 10px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: middle; }
.table th { color: var(--muted); font-size: 11px; text-transform: uppercase; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.center { text-align: center; }

.thumb {
  width: 72px;
  height: 48px;
  object-fit: cover;
  border-radius: 4px;
  border: 1px solid var(--border);
  cursor: zoom-in;
}

.pagination { display: flex; gap: 12px; margin-top: 16px; }

.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  display: grid;
  place-items: center;
  z-index: 100;
}

.lightbox.hidden { display: none; }
.lightbox img { max-width: 92vw; max-height: 92vh; border-radius: 8px; }