:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #dbeafe;
    --sidebar-bg: #0f172a;
    --sidebar-hover: #1e293b;
    --sidebar-active: #2563eb;
    --bg: #f1f5f9;
    --card-bg: #ffffff;
    --text: #1e293b;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --radius: 8px;
    --shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,.1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 14px;
    color: var(--text);
    background: var(--bg);
    line-height: 1.5;
}

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

/* Layout */
.admin-layout { display: flex; min-height: 100vh; }

.sidebar {
    width: 240px;
    background: var(--sidebar-bg);
    color: #94a3b8;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; bottom: 0;
    z-index: 100;
}

.sidebar-brand {
    padding: 20px 24px;
    border-bottom: 1px solid rgba(255,255,255,.08);
}

.sidebar-brand h1 {
    color: #fff;
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -.02em;
}

.sidebar-brand span {
    font-size: 12px;
    color: #64748b;
    display: block;
    margin-top: 2px;
}

.sidebar-nav { flex: 1; padding: 12px 0; overflow-y: auto; }

.nav-group { margin-bottom: 8px; }

.nav-group-title {
    padding: 8px 24px 4px;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: #475569;
}

.nav-item a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 24px;
    color: #94a3b8;
    transition: all .15s;
    border-left: 3px solid transparent;
}

.nav-item a:hover { background: var(--sidebar-hover); color: #e2e8f0; }
.nav-item.active a { background: rgba(37,99,235,.15); color: #fff; border-left-color: var(--sidebar-active); }

.nav-icon { width: 18px; text-align: center; font-size: 16px; }

.sidebar-footer {
    padding: 16px 24px;
    border-top: 1px solid rgba(255,255,255,.08);
    font-size: 13px;
}

.sidebar-footer .user-name { color: #e2e8f0; font-weight: 500; }
.sidebar-footer a { color: #64748b; font-size: 12px; }

.main-content {
    flex: 1;
    margin-left: 240px;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.topbar {
    background: var(--card-bg);
    border-bottom: 1px solid var(--border);
    padding: 16px 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 50;
}

.page-title { font-size: 20px; font-weight: 600; color: var(--text); }

.page-body { padding: 24px 28px; flex: 1; }

/* Cards */
.card {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-header h3 { font-size: 15px; font-weight: 600; }
.card-body { padding: 20px; }

/* Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 20px 24px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    border-left: 4px solid var(--primary);
}

.stat-card.green { border-left-color: var(--success); }
.stat-card.orange { border-left-color: var(--warning); }
.stat-card.red { border-left-color: var(--danger); }

.stat-label { font-size: 13px; color: var(--text-muted); margin-bottom: 8px; }
.stat-value { font-size: 28px; font-weight: 700; color: var(--text); }

/* Table */
.table-wrap { overflow-x: auto; }

table { width: 100%; border-collapse: collapse; }

thead th {
    background: #f8fafc;
    padding: 10px 14px;
    text-align: left;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: .04em;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

tbody td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

tbody tr:hover { background: #f8fafc; }
tbody tr:last-child td { border-bottom: none; }

/* Badge */
.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 500;
}

.badge-blue { background: #dbeafe; color: #1d4ed8; }
.badge-green { background: #d1fae5; color: #065f46; }
.badge-yellow { background: #fef3c7; color: #92400e; }
.badge-red { background: #fee2e2; color: #991b1b; }
.badge-gray { background: #f1f5f9; color: #475569; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    border: none;
    transition: all .15s;
    line-height: 1.4;
}

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

.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #059669; color: #fff; }

.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #dc2626; color: #fff; }

.btn-outline {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text);
}
.btn-outline:hover { background: #f8fafc; }

.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn-group { display: flex; gap: 6px; flex-wrap: wrap; }

/* Form */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 20px; }
.form-grid.full { grid-template-columns: 1fr; }

.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group.span-2 { grid-column: span 2; }

.form-label { font-size: 13px; font-weight: 500; color: var(--text); }
.form-label .required { color: var(--danger); }

.form-control {
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 14px;
    color: var(--text);
    background: #fff;
    transition: border-color .15s;
    width: 100%;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}

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

.form-actions {
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
    display: flex;
    gap: 10px;
}

/* Search bar */
.search-bar {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.search-bar .form-control { width: auto; min-width: 200px; }

/* Pagination */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 16px;
    border-top: 1px solid var(--border);
}

.pagination a, .pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 32px;
    height: 32px;
    padding: 0 8px;
    border-radius: 6px;
    font-size: 13px;
    color: var(--text);
    border: 1px solid var(--border);
}

.pagination a:hover { background: var(--primary-light); border-color: var(--primary); color: var(--primary); }
.pagination .active span { background: var(--primary); border-color: var(--primary); color: #fff; }
.pagination .disabled span { color: var(--text-muted); cursor: not-allowed; }

/* Login */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 50%, #2563eb 100%);
}

.login-box {
    width: 400px;
    background: #fff;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    padding: 40px;
}

.login-box h2 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--text);
}

.login-box .subtitle {
    color: var(--text-muted);
    margin-bottom: 28px;
    font-size: 14px;
}

.login-box .form-group { margin-bottom: 16px; }

.login-box .btn { width: 100%; justify-content: center; padding: 10px; font-size: 15px; margin-top: 8px; }

/* Result page */
.result-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg);
}

.result-box {
    text-align: center;
    background: #fff;
    padding: 48px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    max-width: 420px;
}

.result-icon { font-size: 48px; margin-bottom: 16px; }
.result-msg { font-size: 16px; margin-bottom: 8px; }
.result-wait { color: var(--text-muted); font-size: 13px; }

/* Grid layout for dashboard */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.empty-tip {
    text-align: center;
    padding: 40px;
    color: var(--text-muted);
}

.text-muted { color: var(--text-muted); }
.text-right { text-align: right; }
.mb-16 { margin-bottom: 16px; }

/* Data board */
.board-overview {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 24px;
}

.stat-sub {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 6px;
}

.board-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.board-grid .span-2 { grid-column: span 2; }

.bar-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
}

.bar-row:last-child { margin-bottom: 0; }

.bar-label {
    width: 72px;
    flex-shrink: 0;
    font-size: 13px;
    color: var(--text-muted);
}

.bar-track {
    flex: 1;
    height: 10px;
    background: #f1f5f9;
    border-radius: 999px;
    overflow: hidden;
}

.bar-fill {
    height: 100%;
    border-radius: 999px;
    transition: width .3s ease;
}

.bar-fill.bar-blue { background: linear-gradient(90deg, #3b82f6, #2563eb); }
.bar-fill.bar-orange { background: linear-gradient(90deg, #fbbf24, #f59e0b); }

.bar-value {
    width: 36px;
    text-align: right;
    font-weight: 600;
    font-size: 13px;
}

.funnel-grid {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 8px;
    min-height: 120px;
    padding-top: 8px;
}

.funnel-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}

.funnel-count {
    font-size: 18px;
    font-weight: 700;
    color: var(--text);
}

.funnel-bar {
    width: 100%;
    max-width: 48px;
    background: linear-gradient(180deg, #60a5fa, #2563eb);
    border-radius: 4px 4px 0 0;
    min-height: 12px;
}

.funnel-label {
    font-size: 11px;
    color: var(--text-muted);
    text-align: center;
    line-height: 1.3;
}

.funnel-amount {
    font-size: 11px;
    color: var(--primary);
    font-weight: 500;
}

@media (max-width: 1024px) {
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .board-overview { grid-template-columns: repeat(2, 1fr); }
    .dashboard-grid { grid-template-columns: 1fr; }
    .board-grid { grid-template-columns: 1fr; }
    .board-grid .span-2 { grid-column: span 1; }
    .form-grid { grid-template-columns: 1fr; }
    .form-group.span-2 { grid-column: span 1; }
}

@media (max-width: 768px) {
    .sidebar { display: none; }
    .main-content { margin-left: 0; }
    .stats-grid { grid-template-columns: 1fr; }
    .board-overview { grid-template-columns: 1fr; }
}

/* RBAC permission panel */
.perm-panel {
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.perm-panel h4 {
    font-size: 15px;
    margin-bottom: 16px;
}

.perm-group {
    margin-bottom: 16px;
}

.perm-group-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 8px;
}

.perm-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 16px;
}

.perm-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--text);
    cursor: pointer;
}

.perm-item input { cursor: pointer; }

code {
    background: #f1f5f9;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 12px;
}