:root {
    --pls-primary: #1e3a5f;
    --pls-secondary: #c9a227;
    --pls-sidebar-width: 260px;
    --pls-bg: #f4f6f9;
    --pls-card-bg: #ffffff;
    --pls-text: #212529;
    --pls-border: #dee2e6;
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--pls-bg);
    color: var(--pls-text);
}

.crm-wrapper {
    display: flex;
    min-height: 100vh;
}

.crm-sidebar {
    width: var(--pls-sidebar-width);
    background: linear-gradient(180deg, var(--pls-primary) 0%, #152a45 100%);
    color: #fff;
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    z-index: 1040;
    overflow-y: auto;
    transition: transform 0.3s ease;
}

.crm-sidebar .brand {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.crm-sidebar .brand h5 {
    margin: 0;
    font-weight: 700;
    color: var(--pls-secondary);
}

.crm-sidebar .nav-link {
    color: rgba(255,255,255,0.85);
    padding: 0.75rem 1.5rem;
    border-left: 3px solid transparent;
    transition: all 0.2s;
}

.crm-sidebar .nav-link:hover,
.crm-sidebar .nav-link.active {
    color: #fff;
    background: rgba(255,255,255,0.08);
    border-left-color: var(--pls-secondary);
}

.crm-sidebar .nav-link i {
    width: 22px;
    margin-right: 0.5rem;
}

.crm-main {
    flex: 1;
    margin-left: var(--pls-sidebar-width);
    min-height: 100vh;
}

.crm-topbar {
    background: var(--pls-card-bg);
    border-bottom: 1px solid var(--pls-border);
    padding: 0.75rem 1.5rem;
    position: sticky;
    top: 0;
    z-index: 1030;
}

.crm-content {
    padding: 1.5rem;
}

.stat-card {
    background: var(--pls-card-bg);
    border: 1px solid var(--pls-border);
    border-radius: 0.75rem;
    padding: 1.25rem;
    transition: transform 0.2s, box-shadow 0.2s;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.stat-card .stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.card-crm {
    background: var(--pls-card-bg);
    border: 1px solid var(--pls-border);
    border-radius: 0.75rem;
}

.table-crm {
    background: var(--pls-card-bg);
}

.badge-status-pending { background: #ffc107; color: #000; }
.badge-status-in_progress { background: #0dcaf0; color: #000; }
.badge-status-completed { background: #198754; }
.badge-priority-high { background: #dc3545; }
.badge-priority-medium { background: #fd7e14; }
.badge-priority-low { background: #6c757d; }

.login-page {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--pls-primary) 0%, #2d5a87 50%, #1e3a5f 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-card {
    background: var(--pls-card-bg);
    border-radius: 1rem;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    max-width: 420px;
    width: 100%;
}

.notification-dropdown {
    max-height: 320px;
    overflow-y: auto;
    min-width: 300px;
}

@media (max-width: 991.98px) {
    .crm-sidebar {
        transform: translateX(-100%);
    }
    .crm-sidebar.show {
        transform: translateX(0);
    }
    .crm-main {
        margin-left: 0;
    }
}

/* —— Notification bell —— */
.notification-bell-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--pls-card-bg);
    border: 1px solid var(--pls-border);
    color: var(--pls-primary);
    text-decoration: none;
    transition: background 0.2s, border-color 0.2s, box-shadow 0.2s, color 0.2s;
}

.notification-bell-btn:hover {
    background: rgba(30, 58, 95, 0.08);
    border-color: var(--pls-primary);
    color: var(--pls-primary);
    box-shadow: 0 2px 8px rgba(30, 58, 95, 0.15);
}

.notification-bell-btn.has-unread {
    border-color: var(--pls-secondary);
    background: rgba(201, 162, 39, 0.12);
}

.notification-bell-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    transform-origin: top center;
}

.notification-bell-btn.is-ringing .notification-bell-icon {
    animation: crm-bell-ring 0.65s ease-in-out;
}

.notification-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    font-size: 0.7rem;
    font-weight: 700;
    line-height: 20px;
    text-align: center;
    color: #fff;
    background: #dc3545;
    border-radius: 10px;
    border: 2px solid var(--pls-card-bg);
    box-shadow: 0 2px 6px rgba(220, 53, 69, 0.45);
}

.notification-bell-btn.has-unread .notification-badge {
    animation: crm-badge-pulse 2s ease-in-out infinite;
}

@keyframes crm-bell-ring {
    0%, 100% { transform: rotate(0); }
    15% { transform: rotate(-14deg); }
    30% { transform: rotate(14deg); }
    45% { transform: rotate(-10deg); }
    60% { transform: rotate(10deg); }
    75% { transform: rotate(-5deg); }
    90% { transform: rotate(5deg); }
}

@keyframes crm-badge-pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.08); }
}

/* —— Professional buttons (content area) —— */
.crm-content .btn {
    font-weight: 600;
    letter-spacing: 0.02em;
    border-radius: 0.5rem;
    transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.crm-content .btn:active {
    transform: translateY(0);
}

.crm-content .btn-primary {
    background: linear-gradient(180deg, #254a75 0%, var(--pls-primary) 100%);
    border: 1px solid #152a45;
    color: #fff;
    box-shadow: 0 2px 6px rgba(30, 58, 95, 0.25);
    padding: 0.375rem 0.85rem;
    font-size: 0.875rem;
}

.crm-content .btn-primary.btn-sm,
.crm-content .btn-sm.btn-primary {
    padding: 0.3rem 0.75rem;
    font-size: 0.8125rem;
    line-height: 1.45;
    box-shadow: 0 1px 4px rgba(30, 58, 95, 0.2);
}

.crm-content .d-flex .btn-primary.btn-sm,
.crm-content .d-flex a.btn-primary.btn-sm {
    white-space: nowrap;
}

.crm-content .btn-primary:hover,
.crm-content .btn-primary:focus {
    background: linear-gradient(180deg, var(--pls-primary) 0%, #152a45 100%);
    border-color: #152a45;
    color: #fff;
    box-shadow: 0 4px 10px rgba(30, 58, 95, 0.35);
    transform: translateY(-1px);
}

.crm-content .btn-primary .bi {
    margin-right: 0.25rem;
}

.crm-content .btn-outline-primary {
    color: var(--pls-primary);
    border: 1.5px solid var(--pls-primary);
    background: transparent;
}

.crm-content .btn-outline-primary:hover {
    background: var(--pls-primary);
    border-color: var(--pls-primary);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 3px 8px rgba(30, 58, 95, 0.2);
}

.crm-content .btn-outline-secondary {
    border: 1.5px solid #adb5bd;
    color: #495057;
    background: #fff;
}

.crm-content .btn-outline-secondary:hover {
    background: #f8f9fa;
    border-color: #6c757d;
    color: #212529;
}

.crm-content .btn-outline-danger {
    border-width: 1.5px;
}

.crm-content .btn-outline-danger:hover {
    transform: translateY(-1px);
}

.crm-content .btn-sm {
    padding: 0.35rem 0.75rem;
    font-size: 0.8125rem;
    font-weight: 600;
    border-radius: 0.4rem;
}

.crm-topbar .btn-outline-secondary {
    border-radius: 0.5rem;
    width: 38px;
    height: 38px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* —— Professional tables —— */
.card-crm {
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.card-crm > .card-header {
    background: var(--pls-card-bg);
    border-bottom: 1px solid var(--pls-border);
    padding: 0.9rem 1.15rem;
    font-weight: 600;
}

.card-crm > .card-footer {
    background: #f8f9fb;
    border-top: 1px solid var(--pls-border);
    padding: 0.75rem 1.15rem;
}

.card-crm .card-footer .pagination {
    margin-bottom: 0;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.15rem;
}

.card-crm .card-footer .page-link {
    padding: 0.35rem 0.7rem;
    font-size: 0.875rem;
    line-height: 1.25;
}

.card-crm .card-footer .page-item.active .page-link {
    background-color: var(--pls-primary);
    border-color: var(--pls-primary);
}

.card-crm .table {
    margin-bottom: 0;
    --bs-table-bg: transparent;
    --bs-table-hover-bg: rgba(30, 58, 95, 0.05);
    --bs-table-striped-bg: rgba(30, 58, 95, 0.02);
}

.card-crm .table thead th {
    background: linear-gradient(180deg, #f0f3f8 0%, #e8ecf2 100%);
    color: var(--pls-primary);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.9rem 1rem;
    border-bottom: 2px solid var(--pls-primary);
    white-space: nowrap;
    vertical-align: middle;
}

.card-crm .table tbody td {
    padding: 0.85rem 1rem;
    vertical-align: middle;
    border-color: var(--pls-border);
    font-size: 0.9rem;
}

.card-crm .table tbody tr {
    transition: background 0.15s ease;
}

.card-crm .table tbody tr:last-child td {
    border-bottom: none;
}

.card-crm .table tbody tr:hover {
    background: rgba(30, 58, 95, 0.05);
}

.card-crm .table tbody a:not(.btn) {
    color: var(--pls-primary);
    font-weight: 600;
    text-decoration: none;
}

.card-crm .table tbody a:not(.btn):hover {
    text-decoration: underline;
}

.card-crm .table .text-center.text-muted,
.card-crm .table .text-center.py-4 {
    padding: 2.5rem 1rem !important;
    color: #6c757d !important;
    font-size: 0.9rem;
}

.card-crm .table .btn + form,
.card-crm .table form + .btn,
.card-crm .table .btn + .btn {
    margin-left: 0.35rem;
}

.card-crm .badge {
    font-size: 0.72rem;
    font-weight: 600;
    padding: 0.35em 0.65em;
    letter-spacing: 0.02em;
}

.badge-status-pending,
.badge-status-in_progress,
.badge-status-completed,
.badge-priority-high,
.badge-priority-medium,
.badge-priority-low {
    border-radius: 0.35rem;
}