:root {
    --brand: #0b7285;
    --brand-2: #136f63;
    --bg-soft: #f4f7fb;
    --sidebar-bg: #0b1f2a;
    --sidebar-text: #cbd5e1;
    --sidebar-active: #22b8cf;
    --card-shadow: 0 10px 24px rgba(0, 0, 0, 0.08);
}

body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(180deg, #e8f2f6 0%, #f7f9fb 60%, #ffffff 100%);
    color: #1f2937;
}

.auth-page {
    min-height: 100vh;
    background: linear-gradient(135deg, #0b1f2a 0%, #0b7285 60%, #74c0fc 100%);
}

.sidebar {
    background: var(--sidebar-bg);
    min-height: 100vh;
}

.sidebar .brand {
    color: #fff;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.sidebar a {
    color: var(--sidebar-text);
    text-decoration: none;
    display: block;
    padding: 10px 14px;
    border-radius: 8px;
    margin: 4px 0;
}

.sidebar a.active,
.sidebar a:hover {
    background: rgba(34, 184, 207, 0.15);
    color: #fff;
}

.content-wrap {
    padding: 24px;
}

.card {
    border: none;
    box-shadow: var(--card-shadow);
}

.card-header {
    background: #fff;
    border-bottom: 1px solid #e5e7eb;
}

.table thead th {
    background: #f1f5f9;
    border-bottom: none;
}

.badge-soft {
    background: #e7f5ff;
    color: #1c7ed6;
}

.btn-brand {
    background: var(--brand);
    color: #fff;
    border: none;
}

.btn-brand:hover {
    background: var(--brand-2);
    color: #fff;
}

.topbar {
    background: #fff;
    border-bottom: 1px solid #e5e7eb;
    padding: 12px 24px;
}

.alert-default {
    background: #fff3bf;
    border: 1px solid #ffe066;
    color: #7a5c00;
}

@media (max-width: 991px) {
    .sidebar {
        min-height: auto;
    }
}