:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --sidebar-bg: #0f172a;
  --sidebar-text: #cbd5e1;
  --bg: #f1f5f9;
  --card: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --border: #e2e8f0;
  --danger: #dc2626;
  --success: #16a34a;
  --warning: #d97706;
  --radius: 10px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.6;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- 认证页 ---------- */
.auth-wrap {
  min-height: 100vh;
  display: flex;
  align-items: stretch;
}
.auth-side {
  flex: 1;
  background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 55%, #38bdf8 100%);
  color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 64px;
}
.auth-side h1 { font-size: 32px; margin-bottom: 16px; }
.auth-side p { font-size: 15px; opacity: 0.85; max-width: 420px; margin-bottom: 10px; }
.auth-main {
  width: 480px;
  background: var(--card);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 48px 56px;
}
.auth-main h2 { font-size: 22px; margin-bottom: 24px; }
.auth-main .switch { margin-top: 20px; color: var(--muted); font-size: 13px; }
@media (max-width: 900px) {
  .auth-side { display: none; }
  .auth-main { width: 100%; }
}

/* ---------- 控制台布局 ---------- */
.layout { display: flex; min-height: 100vh; }
.sidebar {
  width: 220px;
  background: var(--sidebar-bg);
  color: var(--sidebar-text);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
}
.sidebar .brand {
  padding: 20px;
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.sidebar .brand small { display: block; font-weight: 400; font-size: 12px; color: var(--sidebar-text); margin-top: 2px; }
.sidebar nav { flex: 1; padding: 12px 0; overflow-y: auto; }
.sidebar nav .group-title {
  padding: 14px 20px 6px;
  font-size: 12px;
  color: #64748b;
}
.sidebar nav a {
  display: block;
  padding: 9px 20px;
  color: var(--sidebar-text);
  font-size: 14px;
}
.sidebar nav a:hover { background: rgba(255, 255, 255, 0.06); text-decoration: none; color: #fff; }
.sidebar nav a.active { background: var(--primary); color: #fff; }
.sidebar .foot { padding: 16px 20px; font-size: 12px; border-top: 1px solid rgba(255, 255, 255, 0.08); }
.sidebar .foot a { color: var(--sidebar-text); }

.main { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.topbar {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  padding: 0 28px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.topbar .title { font-size: 16px; font-weight: 600; }
.topbar .user { color: var(--muted); font-size: 13px; }
.topbar .user b { color: var(--text); }
.content { padding: 28px; max-width: 1200px; width: 100%; }

/* ---------- 通用组件 ---------- */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
}
.card h3 { font-size: 15px; margin-bottom: 16px; }
.card .card-desc { color: var(--muted); font-size: 13px; margin: -10px 0 16px; }

.grid { display: grid; gap: 16px; }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 1000px) { .grid.cols-3, .grid.cols-4 { grid-template-columns: repeat(2, 1fr); } }

.stat {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
}
.stat .num { font-size: 26px; font-weight: 700; }
.stat .lbl { color: var(--muted); font-size: 13px; margin-top: 2px; }

table.list { width: 100%; border-collapse: collapse; }
table.list th, table.list td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  vertical-align: middle;
}
table.list th { color: var(--muted); font-weight: 500; background: #f8fafc; }
table.list tr:hover td { background: #f8fafc; }
table.list img.thumb { width: 44px; height: 44px; object-fit: cover; border-radius: 6px; border: 1px solid var(--border); }

.form-row { margin-bottom: 16px; }
.form-row label { display: block; font-size: 13px; color: var(--text); margin-bottom: 6px; font-weight: 500; }
.form-row .help { font-size: 12px; color: var(--muted); margin-top: 4px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 20px; }
@media (max-width: 800px) { .form-grid { grid-template-columns: 1fr; } }

input[type="text"], input[type="password"], input[type="number"], input[type="email"],
select, textarea {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  font-family: inherit;
  background: #fff;
  color: var(--text);
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}
textarea { min-height: 90px; resize: vertical; }

.btn {
  display: inline-block;
  padding: 9px 18px;
  border-radius: 8px;
  border: 1px solid transparent;
  background: var(--primary);
  color: #fff;
  font-size: 14px;
  cursor: pointer;
  font-family: inherit;
  text-decoration: none;
}
.btn:hover { background: var(--primary-dark); text-decoration: none; }
.btn.ghost { background: #fff; border-color: var(--border); color: var(--text); }
.btn.ghost:hover { border-color: var(--primary); color: var(--primary); background: #fff; }
.btn.danger { background: #fff; border-color: #fecaca; color: var(--danger); }
.btn.danger:hover { background: #fef2f2; }
.btn.small { padding: 5px 10px; font-size: 12px; border-radius: 6px; }
.btn.block { display: block; width: 100%; text-align: center; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 12px;
  background: #eef2ff;
  color: var(--primary);
}
.badge.green { background: #f0fdf4; color: var(--success); }
.badge.red { background: #fef2f2; color: var(--danger); }
.badge.gray { background: #f1f5f9; color: var(--muted); }
.badge.orange { background: #fff7ed; color: var(--warning); }

.alert {
  padding: 12px 16px;
  border-radius: 8px;
  margin-bottom: 18px;
  font-size: 13px;
  border: 1px solid;
}
.alert.ok { background: #f0fdf4; border-color: #bbf7d0; color: #166534; }
.alert.err { background: #fef2f2; border-color: #fecaca; color: #991b1b; }

.page-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.page-head h2 { font-size: 19px; }
.page-head .sub { color: var(--muted); font-size: 13px; margin-top: 2px; }
.page-head .actions { display: flex; gap: 10px; }

.empty {
  text-align: center;
  color: var(--muted);
  padding: 48px 0;
  font-size: 13px;
}

.inline-form { display: inline; }
.toolbar { display: flex; gap: 10px; margin-bottom: 16px; flex-wrap: wrap; align-items: center; }

/* ---------- 主题选择卡片 ---------- */
.theme-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 16px; }
.theme-card {
  border: 2px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  background: var(--card);
}
.theme-card.selected { border-color: var(--primary); }
.theme-card .swatch { height: 84px; }
.theme-card .meta { padding: 12px 14px; }
.theme-card .meta b { display: block; font-size: 14px; }
.theme-card .meta span { font-size: 12px; color: var(--muted); }

/* ---------- 区块编辑器 ---------- */
.builder { display: grid; grid-template-columns: 260px 1fr; gap: 20px; align-items: start; }
@media (max-width: 900px) { .builder { grid-template-columns: 1fr; } }
.builder-palette { position: sticky; top: 20px; }
.builder-palette .pal-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 8px;
  background: #fff;
  font-size: 13px;
}
.builder-palette .pal-item button { flex-shrink: 0; }
.section-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 14px;
}
.section-card .sec-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  background: #f8fafc;
  border-radius: var(--radius) var(--radius) 0 0;
}
.section-card .sec-head b { flex: 1; font-size: 13px; }
.section-card .sec-body { padding: 16px; }
.section-card.collapsed .sec-body { display: none; }
.items-editor .item-row {
  border: 1px dashed var(--border);
  border-radius: 8px;
  padding: 12px;
  margin-bottom: 10px;
  position: relative;
}
.items-editor .item-row .rm { position: absolute; top: 8px; right: 8px; }
.img-field { display: flex; gap: 8px; }
.img-field input { flex: 1; }
.img-field img.preview { width: 38px; height: 38px; object-fit: cover; border-radius: 6px; border: 1px solid var(--border); }

/* ---------- 媒体库 ---------- */
.media-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 14px; }
.media-item {
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
}
.media-item img { width: 100%; height: 100px; object-fit: cover; display: block; background: #f8fafc; }
.media-item .m-meta { padding: 8px 10px; font-size: 12px; }
.media-item .m-meta .name { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.media-item .m-meta .size { color: var(--muted); }
.media-item .m-actions { display: flex; gap: 6px; padding: 0 10px 10px; }

/* ---------- 弹窗（媒体选择器） ---------- */
.modal-mask {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.5);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
}
.modal-mask.open { display: flex; }
.modal {
  background: #fff;
  border-radius: 12px;
  width: 720px;
  max-width: 92vw;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
}
.modal .modal-head {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.modal .modal-body { padding: 20px; overflow-y: auto; }

/* ---------- 发布状态条 ---------- */
.pub-bar {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--card);
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.pub-bar .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--muted); }
.pub-bar .dot.live { background: var(--success); }
.pub-bar .spacer { flex: 1; }

code.k { background: #f1f5f9; padding: 1px 6px; border-radius: 4px; font-size: 12px; }