* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif; background: #f3f4f6; color: #1f2937; }
a { text-decoration: none; color: inherit; }

/* Login */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, #1a56db, #7c3aed); }
.login-box { background: #fff; padding: 40px; border-radius: 16px; width: 400px; box-shadow: 0 20px 60px rgba(0,0,0,0.2); }
.login-box h1 { text-align: center; font-size: 24px; margin-bottom: 8px; color: #1a56db; }
.login-box p { text-align: center; color: #6b7280; font-size: 14px; margin-bottom: 32px; }
.login-error { background: #fef2f2; color: #dc2626; padding: 12px; border-radius: 8px; font-size: 14px; margin-bottom: 20px; text-align: center; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 8px; color: #374151; }
.form-group input, .form-group textarea, .form-group select { width: 100%; padding: 12px 16px; border: 1px solid #d1d5db; border-radius: 8px; font-size: 14px; font-family: inherit; }
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { outline: none; border-color: #1a56db; box-shadow: 0 0 0 3px rgba(26,86,219,0.1); }
.btn { display: inline-block; padding: 12px 24px; border-radius: 8px; font-size: 14px; font-weight: 600; cursor: pointer; border: none; transition: all .2s; }
.btn-primary { background: #1a56db; color: #fff; width: 100%; }
.btn-primary:hover { background: #1e429f; }
.btn-sm { padding: 6px 14px; font-size: 13px; }
.btn-danger { background: #ef4444; color: #fff; }
.btn-danger:hover { background: #dc2626; }
.btn-secondary { background: #e5e7eb; color: #374151; }
.btn-secondary:hover { background: #d1d5db; }

/* Layout */
.admin-layout { display: flex; min-height: 100vh; }
.sidebar { width: 240px; background: #111827; color: #fff; flex-shrink: 0; }
.sidebar-brand { padding: 24px; font-size: 18px; font-weight: 700; border-bottom: 1px solid #374151; }
.sidebar-nav { padding: 16px 0; }
.sidebar-nav a { display: block; padding: 12px 24px; color: #9ca3af; font-size: 14px; transition: all .2s; }
.sidebar-nav a:hover { background: #1f2937; color: #fff; }
.sidebar-nav a.active { background: #1a56db; color: #fff; }
.main { flex: 1; display: flex; flex-direction: column; }
.topbar { background: #fff; padding: 16px 32px; display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid #e5e7eb; }
.topbar h2 { font-size: 18px; }
.topbar-right { display: flex; align-items: center; gap: 16px; font-size: 14px; }
.topbar-right a { color: #6b7280; }
.topbar-right a:hover { color: #1a56db; }
.content { padding: 32px; flex: 1; }

/* Cards */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-bottom: 32px; }
.stat-card { background: #fff; padding: 24px; border-radius: 12px; box-shadow: 0 1px 3px rgba(0,0,0,0.1); }
.stat-card .label { font-size: 14px; color: #6b7280; margin-bottom: 8px; }
.stat-card .value { font-size: 32px; font-weight: 700; color: #1a56db; }

/* Table */
.card { background: #fff; border-radius: 12px; box-shadow: 0 1px 3px rgba(0,0,0,0.1); overflow: hidden; }
.card-header { padding: 20px 24px; border-bottom: 1px solid #e5e7eb; display: flex; justify-content: space-between; align-items: center; }
.card-header h3 { font-size: 16px; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 14px 24px; text-align: left; font-size: 14px; border-bottom: 1px solid #f3f4f6; }
th { background: #f9fafb; font-weight: 600; color: #374151; }
tr:hover { background: #f9fafb; }
.badge { display: inline-block; padding: 3px 10px; border-radius: 12px; font-size: 12px; font-weight: 600; }
.badge-published { background: #d1fae5; color: #059669; }
.badge-draft { background: #fef3c7; color: #d97706; }
.actions { display: flex; gap: 8px; }

/* Form page */
.form-card { background: #fff; border-radius: 12px; padding: 32px; box-shadow: 0 1px 3px rgba(0,0,0,0.1); max-width: 900px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-actions { margin-top: 24px; display: flex; gap: 12px; }
.form-actions .btn { width: auto; }

/* Pagination */
.pagination { display: flex; gap: 8px; padding: 20px 24px; justify-content: flex-end; }
.pagination a, .pagination span { padding: 6px 12px; border-radius: 6px; border: 1px solid #e5e7eb; font-size: 13px; }
.pagination .current { background: #1a56db; color: #fff; border-color: #1a56db; }

/* Filters */
.filters { display: flex; gap: 12px; margin-bottom: 20px; }
.filters a { padding: 6px 16px; border-radius: 16px; background: #fff; font-size: 13px; border: 1px solid #e5e7eb; }
.filters a.active { background: #1a56db; color: #fff; border-color: #1a56db; }