@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap');

:root {
  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --primary-light: #eef2ff;
  --primary-ring: rgba(79, 70, 229, 0.25);
  --accent: #0d9488;
  --accent-light: #ccfbf1;
  --bg: #f1f5f9;
  --bg-subtle: #e8edf4;
  --surface: #ffffff;
  --surface-raised: #ffffff;
  --sidebar: #0c1222;
  --sidebar-border: rgba(255, 255, 255, 0.06);
  --sidebar-text: #94a3b8;
  --sidebar-text-active: #f8fafc;
  --sidebar-hover: rgba(255, 255, 255, 0.05);
  --sidebar-active: rgba(79, 70, 229, 0.18);
  --text: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --border: #e2e8f0;
  --border-light: #f1f5f9;
  --success: #059669;
  --success-bg: #ecfdf5;
  --warn: #d97706;
  --warn-bg: #fffbeb;
  --danger: #dc2626;
  --danger-bg: #fef2f2;
  --radius: 10px;
  --radius-sm: 8px;
  --radius-lg: 14px;
  --radius-xl: 18px;
  --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.05);
  --shadow: 0 4px 20px rgba(15, 23, 42, 0.07);
  --shadow-lg: 0 16px 48px rgba(15, 23, 42, 0.12);
  --transition: 0.18s ease;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}

.hidden { display: none !important; }

/* ── 登录页 ── */
.login-view {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.login-brand {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 60px;
  background: linear-gradient(145deg, #0c1222 0%, #1e1b4b 50%, #0f766e 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
}

.login-brand::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 80%, rgba(79, 70, 229, 0.3) 0%, transparent 50%),
              radial-gradient(circle at 80% 20%, rgba(13, 148, 136, 0.25) 0%, transparent 50%);
}

.login-brand-inner { position: relative; z-index: 1; max-width: 400px; }

.login-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 40px;
}

.login-logo-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

.login-logo-text { font-size: 18px; font-weight: 700; letter-spacing: -0.02em; }

.login-brand h2 {
  margin: 0 0 16px;
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.login-brand p {
  margin: 0;
  font-size: 15px;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.7;
}

.login-form-side {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  background: var(--surface);
}

.login-card {
  width: 100%;
  max-width: 380px;
}

.login-card h1 {
  margin: 0 0 6px;
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
}

.login-card .login-sub {
  margin: 0 0 32px;
  color: var(--text-muted);
  font-size: 14px;
}

.login-field { margin-bottom: 20px; }

.login-field label {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
}

.login-card input {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
  font-family: inherit;
  transition: border-color var(--transition), box-shadow var(--transition);
  background: var(--surface);
}

.login-card input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-ring);
}

.login-card button[type="submit"] {
  width: 100%;
  padding: 13px;
  margin-top: 8px;
  border: none;
  border-radius: var(--radius);
  background: var(--primary);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: background var(--transition), transform 0.1s;
}

.login-card button[type="submit"]:hover { background: var(--primary-hover); }
.login-card button[type="submit"]:active { transform: scale(0.99); }

.error { color: var(--danger); font-size: 13px; min-height: 18px; margin-top: 12px; }

/* ── 主布局 ── */
.app { display: flex; min-height: 100vh; }

.sidebar {
  width: 248px;
  background: var(--sidebar);
  color: #fff;
  display: flex;
  flex-direction: column;
  padding: 0;
  flex-shrink: 0;
  border-right: 1px solid var(--sidebar-border);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 22px 20px;
  border-bottom: 1px solid var(--sidebar-border);
}

.brand-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), #7c3aed);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}

.brand-text { line-height: 1.2; }

.brand-name {
  display: block;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: -0.01em;
  color: #f8fafc;
}

.brand-sub {
  display: block;
  font-size: 11px;
  color: var(--sidebar-text);
  margin-top: 2px;
}

#navMenu {
  flex: 1;
  overflow-y: auto;
  padding: 12px 12px;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.1) transparent;
}

.nav-group { margin-bottom: 2px; }

.nav-parent {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 12px;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--sidebar-text);
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  font-family: inherit;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  transition: all var(--transition);
}

.nav-parent:hover,
.nav-parent.open,
.nav-group.has-active .nav-parent {
  background: var(--sidebar-hover);
  color: #cbd5e1;
}

.nav-parent .arrow {
  font-size: 9px;
  transition: transform var(--transition);
  opacity: 0.5;
}

.nav-parent.open .arrow { transform: rotate(90deg); }

.nav-children {
  display: none;
  padding: 2px 0 4px 8px;
  margin-left: 8px;
  border-left: 1px solid var(--sidebar-border);
}

.nav-group.open .nav-children { display: block; }

.nav-item,
.nav-sub {
  width: 100%;
  text-align: left;
  padding: 9px 12px;
  margin-bottom: 1px;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--sidebar-text);
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  font-family: inherit;
  transition: all var(--transition);
}

.nav-sub { font-size: 13px; padding-left: 14px; }

.nav-item.active,
.nav-sub.active {
  background: var(--sidebar-active);
  color: var(--sidebar-text-active);
  box-shadow: inset 3px 0 0 var(--primary);
}

.nav-item:hover:not(.active),
.nav-sub:hover:not(.active) {
  background: var(--sidebar-hover);
  color: #e2e8f0;
}

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid var(--sidebar-border);
}

.logout {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--sidebar-border);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--sidebar-text);
  cursor: pointer;
  font-size: 13px;
  font-family: inherit;
  font-weight: 500;
  transition: all var(--transition);
}

.logout:hover {
  background: rgba(220, 38, 38, 0.12);
  border-color: rgba(220, 38, 38, 0.3);
  color: #fca5a5;
}

.main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  background: var(--bg);
}

.topbar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0 28px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: var(--shadow-xs);
}

.topbar-left h2 {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
}

.topbar-sub {
  margin: 2px 0 0;
  font-size: 12px;
  color: var(--text-muted);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.topbar-pill {
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
}

.content {
  padding: 28px;
  overflow: auto;
  flex: 1;
}

/* ── 工具栏 & 按钮 ── */
.toolbar {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
  flex-wrap: wrap;
  align-items: center;
}

.toolbar input,
.toolbar select {
  padding: 9px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-family: inherit;
  background: var(--surface);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.toolbar input:focus,
.toolbar select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-ring);
}

.btn {
  padding: 9px 16px;
  border: none;
  border-radius: var(--radius-sm);
  background: var(--primary);
  color: #fff;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  font-family: inherit;
  transition: background var(--transition), transform 0.1s, box-shadow var(--transition);
}

.btn:hover { background: var(--primary-hover); }
.btn:active { transform: scale(0.98); }
.btn.primary { background: var(--primary); font-weight: 600; }

.btn.outline {
  background: var(--surface);
  color: var(--text-secondary);
  border: 1.5px solid var(--border);
}

.btn.outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-light);
}

.btn.danger { background: var(--danger); }
.btn.danger:hover { background: #b91c1c; }

.btn-sm {
  padding: 6px 12px;
  border: none;
  border-radius: 6px;
  background: var(--primary-light);
  color: var(--primary);
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  font-family: inherit;
  margin: 2px;
  transition: all var(--transition);
}

.btn-sm:hover { background: var(--primary); color: #fff; }

.btn-sm.outline {
  background: var(--surface);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.btn-sm.outline:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.btn-sm.danger {
  background: var(--danger-bg);
  color: var(--danger);
}

.btn-sm.danger:hover {
  background: var(--danger);
  color: #fff;
}

/* ── 看板卡片 ── */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
}

.card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 20px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-xs);
  transition: box-shadow var(--transition), transform var(--transition);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), #7c3aed);
  opacity: 0;
  transition: opacity var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}

.card:hover::before { opacity: 1; }

.card span {
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.card strong {
  display: block;
  font-size: 28px;
  font-weight: 700;
  margin-top: 8px;
  letter-spacing: -0.02em;
  color: var(--text);
}

.card.warn strong { color: var(--warn); }
.card.warn::before { background: var(--warn); opacity: 1; }
.card.danger strong { color: var(--danger); }
.card.danger::before { background: var(--danger); opacity: 1; }
.card.success strong { color: var(--success); }
.card.success::before { background: var(--accent); opacity: 1; }

/* ── 表格 ── */
.table-wrap {
  background: var(--surface);
  border-radius: var(--radius-lg);
  overflow: auto;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-xs);
}

table { width: 100%; border-collapse: collapse; font-size: 13px; }

th, td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-light);
  text-align: left;
  vertical-align: middle;
}

th {
  background: #f8fafc;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

tbody tr { transition: background var(--transition); }
tbody tr:hover { background: #fafbfc; }
tbody tr:last-child td { border-bottom: none; }

/* ── 徽章 ── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 11px;
  font-weight: 600;
}

.badge.warn { background: var(--warn-bg); color: var(--warn); }
.badge.success { background: var(--success-bg); color: var(--success); }
.badge.danger { background: var(--danger-bg); color: var(--danger); }

.pagination {
  display: flex;
  gap: 8px;
  margin-top: 20px;
  align-items: center;
  font-size: 13px;
  color: var(--text-muted);
}

.pagination button {
  padding: 7px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  cursor: pointer;
  font-family: inherit;
  font-size: 13px;
  transition: all var(--transition);
}

.pagination button:hover:not(:disabled) {
  border-color: var(--primary);
  color: var(--primary);
}

.pagination button:disabled { opacity: 0.4; cursor: not-allowed; }

/* ── 表单 ── */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-grid .full { grid-column: 1 / -1; }

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 10px 12px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: inherit;
  background: var(--surface);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-ring);
}

.form-group textarea { min-height: 80px; resize: vertical; }

.upload-row { display: flex; gap: 8px; align-items: center; }

.upload-row img {
  width: 60px;
  height: 60px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

/* ── 弹窗 ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.5);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal {
  background: var(--surface);
  border-radius: var(--radius-xl);
  width: 90%;
  max-width: 640px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-light);
}

.modal-header h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.modal-close {
  border: none;
  background: var(--bg);
  width: 32px;
  height: 32px;
  border-radius: 8px;
  font-size: 18px;
  cursor: pointer;
  color: var(--text-muted);
  transition: all var(--transition);
}

.modal-close:hover { background: var(--danger-bg); color: var(--danger); }

.modal-body { padding: 24px; overflow-y: auto; flex: 1; }

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border-light);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  background: #fafbfc;
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
}

/* ── Toast ── */
.toast {
  position: fixed;
  bottom: 28px;
  right: 28px;
  padding: 14px 20px;
  background: var(--sidebar);
  color: #fff;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 500;
  z-index: 2000;
  box-shadow: var(--shadow-lg);
  animation: toastIn 0.3s ease;
}

.toast.error { background: var(--danger); }

@keyframes toastIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.detail-block {
  background: #f8fafc;
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 12px;
  font-size: 13px;
  border: 1px solid var(--border-light);
}

.detail-block p { margin: 4px 0; }

.empty {
  text-align: center;
  padding: 48px;
  color: var(--text-muted);
  font-size: 14px;
}

/* ── 内容运营列表 ── */
.content-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.content-header h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
}

.content-header p {
  margin: 4px 0 0;
  font-size: 13px;
  color: var(--text-muted);
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(272px, 1fr));
  gap: 20px;
}

.content-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-xs);
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}

.content-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-3px);
  border-color: rgba(79, 70, 229, 0.2);
}

.content-card-cover {
  position: relative;
  background: linear-gradient(135deg, var(--primary-light), var(--accent-light));
  overflow: hidden;
}

.content-card-cover.ratio-16-9 { aspect-ratio: 16/9; }
.content-card-cover.ratio-4-3 { aspect-ratio: 4/3; }

.content-card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.content-card-cover .no-cover {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 28px;
  opacity: 0.5;
}

.content-card-tag {
  position: absolute;
  top: 10px;
  left: 10px;
  padding: 3px 10px;
  border-radius: 6px;
  background: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(4px);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
}

.content-card-body { padding: 16px 18px; }

.content-card-title {
  font-weight: 600;
  font-size: 15px;
  margin: 0 0 6px;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  letter-spacing: -0.01em;
}

.content-card-meta {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.content-card-actions { display: flex; gap: 8px; }

.list-table-img {
  width: 48px;
  height: 36px;
  object-fit: cover;
  border-radius: 6px;
  background: var(--bg);
}

/* ── 独立编辑页 ── */
.edit-body-page {
  background: var(--bg);
  min-height: 100vh;
}

.edit-topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 28px;
  height: 64px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-xs);
}

.edit-topbar-left { display: flex; align-items: center; gap: 20px; }

.back-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  padding: 7px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  transition: all var(--transition);
}

.back-link:hover {
  background: var(--primary-light);
  border-color: transparent;
  color: var(--primary);
}

.edit-title-wrap { display: flex; align-items: center; gap: 10px; }

.edit-badge {
  padding: 4px 10px;
  border-radius: 6px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.edit-topbar h1 {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.edit-topbar-right { display: flex; gap: 10px; }

.edit-layout {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 24px;
  max-width: 1240px;
  margin: 0 auto;
  padding: 28px;
}

.edit-form-panel { display: flex; flex-direction: column; gap: 20px; }

.form-section {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 24px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-xs);
}

.form-section-title {
  margin: 0 0 20px;
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-light);
  letter-spacing: -0.01em;
}

.section-info {
  margin: -8px 0 18px;
  padding: 12px 16px;
  background: var(--primary-light);
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: var(--primary);
  line-height: 1.6;
  border-left: 3px solid var(--primary);
}

.required { color: var(--danger); margin-left: 2px; }

.form-group select {
  padding: 10px 12px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  background: var(--surface);
}

.color-input-row { display: flex; gap: 10px; align-items: center; }

.color-input-row input[type="color"] {
  width: 44px;
  height: 40px;
  padding: 2px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.color-input-row input[type="text"] {
  flex: 1;
  padding: 10px 12px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
}

.edit-side-panel { display: flex; flex-direction: column; gap: 16px; }

.side-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 22px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-xs);
}

.side-card h3 {
  margin: 0 0 16px;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.preview-frame {
  position: relative;
  width: 100%;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg);
  border: 2px dashed var(--border);
}

.preview-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.preview-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 13px;
}

.preview-icon { font-size: 28px; opacity: 0.4; }

.ratio-guide {
  position: absolute;
  bottom: 8px;
  right: 8px;
  padding: 3px 10px;
  border-radius: 6px;
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(4px);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
}

.img-specs { margin: 16px 0 12px; display: grid; gap: 6px; }

.spec-item {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  padding: 8px 12px;
  background: #f8fafc;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
}

.spec-label { color: var(--text-muted); }
.spec-value { color: var(--text); font-weight: 600; }

.img-hint {
  margin: 0 0 14px;
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.6;
}

.img-meta { margin-bottom: 14px; }

.meta-row {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  padding: 6px 0;
  border-bottom: 1px solid var(--border-light);
}

.meta-row strong { color: var(--text); }
.meta-row strong.ok { color: var(--success); }
.meta-row strong.warn { color: var(--warn); }
.meta-warn { font-size: 12px; color: var(--danger); }

.img-upload-actions { display: flex; flex-direction: column; gap: 10px; }
.upload-btn { text-align: center; cursor: pointer; }
.upload-or { text-align: center; font-size: 12px; color: var(--text-muted); }

.img-url-input {
  width: 100%;
  padding: 10px 12px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-family: inherit;
}

.img-url-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-ring);
}

.publish-card .publish-hint {
  margin: 12px 0 0;
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.5;
}

.switch-row { display: flex; align-items: center; gap: 14px; cursor: pointer; }
.switch-row input { display: none; }

.switch-slider {
  width: 46px;
  height: 26px;
  background: var(--border);
  border-radius: 999px;
  position: relative;
  transition: background var(--transition);
  flex-shrink: 0;
}

.switch-slider::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 20px;
  height: 20px;
  background: #fff;
  border-radius: 50%;
  transition: transform var(--transition);
  box-shadow: var(--shadow-xs);
}

.switch-row input:checked + .switch-slider { background: var(--primary); }
.switch-row input:checked + .switch-slider::after { transform: translateX(20px); }
.switch-text { font-size: 14px; font-weight: 600; color: var(--text); }

.coupon-preview {
  border-radius: var(--radius-lg);
  padding: 24px;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), #3730a3);
}

.coupon-preview-inner { text-align: center; }
.coupon-amount { font-size: 36px; font-weight: 800; line-height: 1; letter-spacing: -0.02em; }
.coupon-name { margin-top: 8px; font-size: 14px; opacity: 0.9; }
.coupon-rule { margin-top: 4px; font-size: 12px; opacity: 0.7; }

/* ── 响应式 ── */
@media (max-width: 900px) {
  .login-view { grid-template-columns: 1fr; }
  .login-brand { display: none; }
  .sidebar { width: 200px; }
  .edit-layout { grid-template-columns: 1fr; padding: 16px; }
  .edit-topbar { flex-direction: column; height: auto; gap: 12px; align-items: flex-start; padding: 14px 16px; }
  .edit-topbar-right { width: 100%; }
  .edit-topbar-right .btn { flex: 1; }
  .content-grid { grid-template-columns: 1fr; }
  .content { padding: 16px; }
  .topbar { padding: 0 16px; }
}

@media (max-width: 640px) {
  .app { flex-direction: column; }
  .sidebar { width: 100%; flex-direction: row; flex-wrap: wrap; }
  #navMenu { display: none; }
}