:root {
  --ink: #1b2430;
  --muted: #677383;
  --line: #e6ebf1;
  --brand: #1c7c54;
  --accent: #e15634;
  --bg: #f6f8fb;
  --panel: #ffffff;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--bg);
}
a { color: inherit; text-decoration: none; }
button, input, textarea, select {
  font: inherit;
}
.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  background: rgba(255,255,255,.96);
  border-bottom: 1px solid var(--line);
}
.brand {
  font-weight: 800;
  letter-spacing: 0;
}
.toolbar {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}
.btn {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  border-radius: 8px;
  padding: 8px 12px;
  cursor: pointer;
}
.btn.primary {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
}
.btn.danger {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.layout {
  max-width: 1180px;
  margin: 0 auto;
  padding: 16px;
}
.auth-panel {
  max-width: 420px;
  margin: 40px auto;
}
.admin-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.wide {
  grid-column: 1 / -1;
}
.banner {
  overflow: hidden;
  border-radius: 8px;
  background: #dce9e2;
  aspect-ratio: 16 / 6;
  display: grid;
  place-items: center;
}
.banner-link {
  display: block;
  width: 100%;
  height: 100%;
}
.banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.empty {
  padding: 20px;
  color: var(--muted);
}
.tabs {
  display: flex;
  overflow-x: auto;
  gap: 8px;
  padding: 12px 0;
}
.tab {
  white-space: nowrap;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 999px;
  padding: 8px 12px;
}
.tab.active {
  background: var(--ink);
  color: #fff;
}
.waterfall {
  columns: 2 160px;
  column-gap: 12px;
}
.card {
  break-inside: avoid;
  display: inline-block;
  width: 100%;
  margin: 0 0 12px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}
.card img {
  width: 100%;
  display: block;
  background: #e9eef3;
}
.card-body { padding: 10px; }
.meta {
  color: var(--muted);
  font-size: 13px;
}
.detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, .8fr);
  gap: 16px;
}
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
}
.form-grid {
  display: grid;
  gap: 10px;
}
.form-grid label {
  display: grid;
  gap: 6px;
  color: var(--muted);
}
.form-grid input, .form-grid textarea, .form-grid select {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px;
  background: #fff;
}
.captcha-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: end;
}
.table-wrap {
  overflow-x: auto;
  margin-top: 10px;
}
.table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
}
.mini-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px;
  margin: 10px 0;
  background: #fff;
}
.poster-result,
pre {
  white-space: pre-wrap;
  word-break: break-word;
}
.table th, .table td {
  border-bottom: 1px solid var(--line);
  padding: 10px;
  text-align: left;
  vertical-align: top;
}
.toast {
  position: fixed;
  left: 50%;
  bottom: 20px;
  transform: translateX(-50%);
  background: var(--ink);
  color: #fff;
  padding: 10px 14px;
  border-radius: 8px;
  display: none;
}
.toast.show { display: block; }
@media (max-width: 760px) {
  .detail-grid { grid-template-columns: 1fr; }
  .admin-grid { grid-template-columns: 1fr; }
  .layout { padding: 12px; }
  .topbar { align-items: flex-start; }
  .toolbar input,
  .toolbar select {
    min-width: 140px;
  }
}