/* Water District Admin Portal - Blue Theme */

:root {
    --water-dark: #0a1628;
    --water-primary: #1565c0;
    --water-secondary: #1976d2;
    --water-accent: #42a5f5;
    --water-light: #90caf9;
    --water-pale: #e3f2fd;
}

body {
    background: #f0f4f8;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.admin-sidebar {
    width: 260px;
    background: linear-gradient(180deg, var(--water-dark), var(--water-primary));
    min-height: 100vh;
    color: white;
    position: fixed;
    left: 0;
    top: 0;
}

.admin-sidebar .logo {
    padding: 20px;
    text-align: center;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.admin-sidebar .logo img {
    max-height: 60px;
}

.admin-sidebar .nav-link {
    color: rgba(255,255,255,0.8);
    padding: 15px 20px;
    border-left: 4px solid transparent;
    transition: all 0.3s;
}

.admin-sidebar .nav-link:hover,
.admin-sidebar .nav-link.active {
    background: rgba(255,255,255,0.1);
    color: white;
    border-left-color: var(--water-accent);
}

.admin-main {
    margin-left: 260px;
    padding: 20px;
}

.card {
    border: none;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    border-radius: 12px;
}

.card-header {
    background: linear-gradient(90deg, var(--water-primary), var(--water-secondary));
    color: white;
    border-radius: 12px 12px 0 0 !important;
    font-weight: 600;
}

.btn-primary {
    background: var(--water-primary);
    border-color: var(--water-primary);
}

.btn-primary:hover {
    background: var(--water-secondary);
    border-color: var(--water-secondary);
}

.table th {
    background: var(--water-pale);
    color: var(--water-dark);
    font-weight: 600;
    border-top: none;
}

.status-badge {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

.status-active {
    background: #e8f5e9;
    color: #2e7d32;
}

.status-inactive {
    background: #ffebee;
    color: #c62828;
}

.login-page {
    background: linear-gradient(135deg, var(--water-dark), var(--water-primary));
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-card {
    width: 100%;
    max-width: 400px;
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}