:root {
    --bg: #f5f6fa;
    --card: #ffffff;
    --border: #e5e7eb;
    --text: #1f2937;
    --muted: #6b7280;
    --primary: #B15D85;
    --primary-hover: #9c4e74;
    --accent: #92B7CA;
    --success: #16a34a;
    --danger: #dc2626;
    --warning: #d97706;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.04);
}

* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 14px;
    line-height: 1.5;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
code { background: #f3f4f6; padding: 2px 6px; border-radius: 4px; font-size: 12px; }

/* Auth */
.auth-body { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px; }
.auth-card { width: 100%; max-width: 380px; background: var(--card); padding: 32px; border-radius: 12px; box-shadow: var(--shadow); }
.auth-brand { font-size: 22px; font-weight: 700; color: var(--primary); margin-bottom: 4px; }
.auth-sub { color: var(--muted); margin: 0 0 24px; }
.auth-hint { margin-top: 18px; color: var(--muted); font-size: 12px; text-align: center; }

/* Layout */
.app-shell { display: grid; grid-template-columns: 240px 1fr; min-height: 100vh; }
.sidebar { background: #1e293b; color: #cbd5e1; padding: 20px 0; position: sticky; top: 0; height: 100vh; overflow-y: auto; }
.sidebar-brand { padding: 0 20px 20px; font-size: 16px; font-weight: 700; color: #fff; border-bottom: 1px solid #334155; }
.sidebar-nav { list-style: none; padding: 12px 0; margin: 0; }
.sidebar-nav li { margin: 0; }
.sidebar-nav a { display: block; padding: 10px 20px; color: #cbd5e1; font-weight: 500; }
.sidebar-nav a:hover { background: #334155; color: #fff; text-decoration: none; }
.sidebar-nav a.active { background: var(--primary); color: #fff; }
.sidebar-foot { padding: 20px; border-top: 1px solid #334155; margin-top: 12px; font-size: 12px; color: #94a3b8; }
.sidebar-foot form { display: inline; }
.sidebar-foot button { background: none; border: 0; color: #fbbf24; cursor: pointer; padding: 0; font: inherit; }
.sidebar-foot button:hover { color: #fff; text-decoration: underline; }

.main { padding: 28px 32px; max-width: 100%; }
.page-header { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 24px; }
.page-title { font-size: 22px; font-weight: 700; margin: 0; }
.page-sub { color: var(--muted); margin: 4px 0 0; font-size: 13px; }
.breadcrumb { color: var(--muted); font-size: 13px; margin-bottom: 8px; }
.breadcrumb a { color: var(--muted); }

/* Cards */
.card { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 20px; box-shadow: var(--shadow); margin-bottom: 20px; }
.card-title { font-size: 15px; font-weight: 700; margin: 0 0 14px; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.card-section { padding: 16px 0; border-top: 1px solid var(--border); }
.card-section:first-child { border-top: 0; padding-top: 0; }

/* Stats */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 18px; box-shadow: var(--shadow); }
.stat-label { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; margin-bottom: 4px; }
.stat-value { font-size: 26px; font-weight: 700; color: var(--text); }
.stat-foot { font-size: 12px; color: var(--muted); margin-top: 4px; }

/* Forms */
.form-group { margin-bottom: 14px; }
.form-group label { display: block; font-weight: 500; margin-bottom: 6px; font-size: 13px; color: var(--text); }
.form-group input, .form-group select, .form-group textarea {
    width: 100%; padding: 8px 10px; border: 1px solid var(--border); border-radius: 6px;
    background: #fff; font-family: inherit; font-size: 14px; transition: border-color .15s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(177,93,133,.12); }
.form-group .help { color: var(--muted); font-size: 12px; margin-top: 4px; }
.form-group .error { color: var(--danger); font-size: 12px; margin-top: 4px; }
.form-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.form-row-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.form-check { display: flex; align-items: center; gap: 6px; font-size: 13px; margin-bottom: 14px; cursor: pointer; }
.form-check input { width: auto; }
.form-actions { display: flex; gap: 8px; margin-top: 18px; }

/* Buttons */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 6px;
    padding: 8px 14px; border-radius: 6px; border: 1px solid transparent;
    font-family: inherit; font-size: 13px; font-weight: 500; cursor: pointer;
    text-decoration: none; transition: background-color .15s, border-color .15s;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-hover); border-color: var(--primary-hover); color: #fff; }
.btn-default { background: #fff; color: var(--text); border-color: var(--border); }
.btn-default:hover { background: #f9fafb; }
.btn-danger { background: #fff; color: var(--danger); border-color: var(--danger); }
.btn-danger:hover { background: var(--danger); color: #fff; }
.btn-sm { font-size: 12px; padding: 5px 10px; }
.btn-block { width: 100%; }

/* Tables */
.table-wrap { background: var(--card); border: 1px solid var(--border); border-radius: 10px; overflow: hidden; box-shadow: var(--shadow); }
table.data-table { width: 100%; border-collapse: collapse; }
.data-table th, .data-table td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--border); font-size: 13px; vertical-align: middle; }
.data-table th { background: #f9fafb; font-weight: 600; color: var(--muted); text-transform: uppercase; font-size: 11px; letter-spacing: .04em; }
.data-table tr:last-child td { border-bottom: 0; }
.data-table .actions { display: flex; gap: 6px; justify-content: flex-end; }
.data-table .empty { text-align: center; color: var(--muted); padding: 36px 16px; }

/* Badges */
.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 11px; font-weight: 500; }
.badge-published { background: #dcfce7; color: #166534; }
.badge-draft { background: #fef3c7; color: #92400e; }
.badge-admin { background: #fee2e2; color: #991b1b; }
.badge-customer { background: #dbeafe; color: #1e40af; }

/* Alerts */
.alert { padding: 10px 14px; border-radius: 6px; margin-bottom: 14px; font-size: 13px; }
.alert-success { background: #dcfce7; color: #166534; border: 1px solid #bbf7d0; }
.alert-error { background: #fee2e2; color: #991b1b; border: 1px solid #fecaca; }
.alert-info { background: #dbeafe; color: #1e40af; border: 1px solid #bfdbfe; }

/* Color swatch */
.swatch { display: inline-block; width: 24px; height: 24px; border-radius: 4px; border: 1px solid var(--border); vertical-align: middle; margin-right: 6px; }

@media (max-width: 768px) {
    .app-shell { grid-template-columns: 1fr; }
    .sidebar { position: static; height: auto; }
    .form-row, .form-row-3 { grid-template-columns: 1fr; }
}