/* =====================================
   Multi-User Aadhaar App — Global Styles
   ===================================== */

:root {
    --primary: #4f46e5;
    --primary-dark: #4338ca;
    --primary-light: #eef2ff;
    --success: #16a34a;
    --danger: #dc2626;
    --warning: #f59e0b;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --sidebar-width: 250px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--gray-100);
    color: var(--gray-800);
    min-height: 100vh;
}

/* ---- Login Page ---- */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-card {
    background: #fff;
    border-radius: 16px;
    padding: 48px 40px;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.15);
}

.login-card h1 {
    font-size: 24px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 4px;
    text-align: center;
}

.login-card p.subtitle {
    color: var(--gray-500);
    font-size: 14px;
    text-align: center;
    margin-bottom: 32px;
}

.login-card .form-group {
    margin-bottom: 20px;
}

.login-card label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 6px;
}

.login-card input[type="text"],
.login-card input[type="password"] {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid var(--gray-300);
    border-radius: 8px;
    font-size: 15px;
    transition: border-color 0.2s;
    outline: none;
}

.login-card input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 600;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
    width: 100%;
    padding: 12px;
    font-size: 15px;
}

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

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

.btn-success:hover {
    background: #15803d;
}

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

.btn-danger:hover {
    background: #b91c1c;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

.alert {
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 14px;
    margin-bottom: 16px;
}

.alert-error {
    background: #fef2f2;
    color: var(--danger);
    border: 1px solid #fecaca;
}

.alert-success {
    background: #f0fdf4;
    color: var(--success);
    border: 1px solid #bbf7d0;
}

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

/* ---- Sidebar ---- */
.sidebar {
    width: var(--sidebar-width);
    background: var(--gray-900);
    color: #fff;
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
}

.sidebar-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--gray-700);
}

.sidebar-header h2 {
    font-size: 18px;
    font-weight: 700;
    color: #fff;
}

.sidebar-header .badge {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 4px;
    margin-top: 4px;
    text-transform: uppercase;
}

.badge-admin {
    background: var(--warning);
    color: var(--gray-900);
}

.badge-user {
    background: var(--primary);
    color: #fff;
}

.sidebar-nav {
    flex: 1;
    padding: 16px 0;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 24px;
    color: var(--gray-400);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.15s;
}

.sidebar-nav a:hover {
    background: var(--gray-800);
    color: #fff;
}

.sidebar-nav a.active {
    background: var(--primary);
    color: #fff;
}

.sidebar-nav a .icon {
    font-size: 18px;
    width: 24px;
    text-align: center;
}

.sidebar-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--gray-700);
}

.sidebar-footer .user-info {
    font-size: 13px;
    color: var(--gray-400);
    margin-bottom: 8px;
}

.sidebar-footer .user-info strong {
    color: #fff;
    display: block;
}

.sidebar-footer a {
    color: var(--gray-400);
    text-decoration: none;
    font-size: 13px;
}

.sidebar-footer a:hover {
    color: var(--danger);
}

/* ---- Main Content ---- */
.main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    padding: 32px;
    min-height: 100vh;
}

.page-header {
    margin-bottom: 28px;
}

.page-header h1 {
    font-size: 26px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 4px;
}

.page-header p {
    color: var(--gray-500);
    font-size: 14px;
}

/* ---- Cards ---- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.stat-card {
    background: #fff;
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}

.stat-card .stat-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.stat-card .stat-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--gray-900);
}

.stat-card .stat-icon {
    font-size: 24px;
    margin-bottom: 12px;
}

/* ---- Card Component ---- */
.card {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
    margin-bottom: 24px;
    overflow: hidden;
}

.card-header {
    padding: 16px 24px;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-header h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--gray-900);
}

.card-body {
    padding: 24px;
}

/* ---- Tables ---- */
.table-container {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

table th {
    text-align: left;
    padding: 12px 16px;
    font-weight: 600;
    color: var(--gray-500);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 2px solid var(--gray-200);
    background: var(--gray-50);
}

table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--gray-100);
    color: var(--gray-700);
}

table tr:hover td {
    background: var(--gray-50);
}

table .text-muted {
    color: var(--gray-400);
    font-size: 12px;
}

/* ---- Form ---- */
.form-card {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
    padding: 32px;
    max-width: 600px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 6px;
}

.form-group select,
.form-group input[type="file"],
.form-group input[type="number"] {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid var(--gray-300);
    border-radius: 8px;
    font-size: 15px;
    background: #fff;
    transition: border-color 0.2s;
    outline: none;
}

.form-group select:focus,
.form-group input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

/* ---- Status Badge ---- */
.status-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.status-active {
    background: #dcfce7;
    color: #166534;
}

.status-inactive {
    background: #fef2f2;
    color: #991b1b;
}

/* ---- Empty State ---- */
.empty-state {
    text-align: center;
    padding: 48px 24px;
    color: var(--gray-400);
}

.empty-state .icon {
    font-size: 48px;
    margin-bottom: 12px;
}

.empty-state p {
    font-size: 14px;
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
    .sidebar {
        width: 60px;
        overflow: hidden;
    }
    .sidebar-header h2,
    .sidebar-header .badge,
    .sidebar-nav a span,
    .sidebar-footer .user-info,
    .sidebar-footer a span {
        display: none;
    }
    .sidebar-nav a {
        justify-content: center;
        padding: 14px;
    }
    .sidebar-nav a .icon {
        margin: 0;
    }
    .main-content {
        margin-left: 60px;
        padding: 20px;
    }
    .form-row {
        grid-template-columns: 1fr;
    }
    .stats-grid {
        grid-template-columns: 1fr;
    }
}