:root {
  --bg: #f5f6f8;
  --panel: #ffffff;
  --line: #e3e6ea;
  --text: #1f2329;
  --muted: #6b7280;
  --accent: #1a56c4;
  --danger: #c0392b;
  --warn: #b7791f;
  --ok: #2f855a;
}

* { box-sizing: border-box; }

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

.top {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  padding: 12px 20px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
}

.brand { display: flex; align-items: center; gap: 8px; font-weight: 600; }
.logo { width: 14px; height: 14px; border-radius: 4px; background: var(--accent); }

.stats { display: flex; gap: 18px; flex-wrap: wrap; color: var(--muted); font-size: 13px; }
.stats b { color: var(--text); font-weight: 600; }

.actions { margin-left: auto; display: flex; gap: 8px; }

main { padding: 20px; max-width: 1400px; margin: 0 auto; }

button {
  font: inherit;
  border-radius: 6px;
  border: 1px solid var(--line);
  padding: 7px 14px;
  cursor: pointer;
  background: var(--panel);
  color: var(--text);
}
button:hover:not(:disabled) { border-color: #c7ccd4; }
button:disabled { opacity: .45; cursor: not-allowed; }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
button.danger { color: var(--danger); border-color: #ecc8c4; background: #fdf3f2; }
button.danger:disabled { color: var(--muted); }
button.ghost { background: transparent; }

.toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

input, select {
  font: inherit;
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel);
  color: var(--text);
}
#search { flex: 1 1 260px; min-width: 200px; }
.check { display: flex; align-items: center; gap: 6px; color: var(--muted); user-select: none; }
.spacer { flex: 1; }

.status {
  margin: 0 0 14px;
  padding: 9px 12px;
  border-radius: 6px;
  background: #eef4ff;
  border: 1px solid #d5e3fb;
  color: #1b4ea8;
}
.status.bad { background: #fdf3f2; border-color: #ecc8c4; color: var(--danger); }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 14px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.card.selected { border-color: var(--accent); box-shadow: 0 0 0 2px #d5e3fb; }

.thumb {
  display: block;
  height: 150px;
  background: #f0f1f4;
  border-bottom: 1px solid var(--line);
}
.thumb img { width: 100%; height: 100%; object-fit: contain; display: block; }
.grid.no-thumbs .thumb { display: none; }

.card .body { padding: 10px 12px 12px; display: flex; flex-direction: column; gap: 6px; flex: 1; }

.row { display: flex; align-items: center; gap: 8px; }
.row.between { justify-content: space-between; }

.id { font-family: ui-monospace, Consolas, monospace; font-size: 12px; color: var(--muted); }
.user { font-family: ui-monospace, Consolas, monospace; font-size: 12px; }
.meta { color: var(--muted); font-size: 12px; }

.badge { font-size: 12px; padding: 2px 8px; border-radius: 999px; background: #eef1f5; color: var(--muted); }
.badge.safe { background: #eaf6ef; color: var(--ok); }
.badge.soon { background: #fdf4e6; color: var(--warn); }
.badge.critical { background: #fdf3f2; color: var(--danger); }

.links { display: flex; gap: 8px; margin-top: auto; padding-top: 4px; }
.links button { flex: 1; padding: 6px 8px; font-size: 13px; }

.login {
  max-width: 420px;
  margin: 60px auto;
  padding: 28px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
}
.login h1 { font-size: 18px; margin: 0 0 10px; }
.login form { display: flex; gap: 8px; margin-top: 16px; }
.login input { flex: 1; }
.muted { color: var(--muted); font-size: 13px; }
.error { color: var(--danger); font-size: 13px; }
.empty { color: var(--muted); text-align: center; padding: 40px 0; }

code { font-family: ui-monospace, Consolas, monospace; font-size: 12px; background: #f0f1f4; padding: 1px 5px; border-radius: 4px; }