:root {
    --app-primary: #2455a4;
    --app-primary-dark: #173d7a;
    --app-primary-light: #eaf1fc;
    --app-sidebar-width: 250px;
    --app-bg: #f3f5f9;
    --app-border: #e6e9f0;
    --app-radius: 0.65rem;
    --app-text-muted: #8a94a6;
}

* {
    box-sizing: border-box;
}

body {
    background-color: var(--app-bg);
    padding-top: 56px;
    font-family: "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, Helvetica, Arial, sans-serif;
    color: #2c3344;
}

h3, h4, h5, h6 {
    font-weight: 600;
}

/* ============ Navbar ============ */
.app-navbar {
    background: linear-gradient(135deg, var(--app-primary) 0%, var(--app-primary-dark) 100%);
    height: 56px;
    z-index: 1040;
    box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}

.app-navbar .navbar-brand {
    font-size: 1.15rem;
    letter-spacing: 0.3px;
}

.app-navbar .navbar-brand i {
    margin-right: 0.4rem;
}

/* User avatar in header */
.user-avatar {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background-color: rgba(255,255,255,0.18);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.85rem;
    margin-right: 0.5rem;
    flex-shrink: 0;
}

/* ============ Sidebar ============ */
.app-sidebar {
    background-color: #ffffff;
    border-right: 1px solid var(--app-border);
    min-height: calc(100vh - 56px);
    padding: 0;
}

@media (min-width: 768px) {
    .app-sidebar {
        width: var(--app-sidebar-width);
        flex: 0 0 var(--app-sidebar-width);
        position: sticky;
        top: 56px;
    }
}

.app-sidebar .nav-section-title {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--app-text-muted);
    padding: 0.9rem 1rem 0.35rem;
}

.app-sidebar .nav-link {
    color: #4a5266;
    padding: 0.55rem 1rem;
    font-size: 0.92rem;
    border-radius: 0;
    display: flex;
    align-items: center;
    transition: background-color 0.15s ease, color 0.15s ease;
}

.app-sidebar .nav-link i {
    width: 20px;
    font-size: 1rem;
    text-align: center;
    margin-right: 0.55rem;
    color: #9aa3b5;
    transition: color 0.15s ease;
}

.app-sidebar .nav-link:hover {
    background-color: var(--app-primary-light);
    color: var(--app-primary);
}

.app-sidebar .nav-link:hover i {
    color: var(--app-primary);
}

.app-sidebar .nav-link.active {
    background-color: var(--app-primary-light);
    color: var(--app-primary);
    font-weight: 600;
    border-right: 3px solid var(--app-primary);
}

.app-sidebar .nav-link.active i {
    color: var(--app-primary);
}

/* Group toggles (Calls / Masters) */
.app-sidebar .nav-link.group-toggle {
    font-weight: 600;
    color: #2c3344;
}

.app-sidebar .nav-link.group-toggle .bi-chevron-down {
    transition: transform 0.2s ease;
    color: var(--app-text-muted);
    font-size: 0.8rem;
}

.app-sidebar .nav-link.group-toggle[aria-expanded="true"] .bi-chevron-down {
    transform: rotate(180deg);
}

.app-sidebar .nav.flex-column.ms-3 {
    border-left: 1px solid var(--app-border);
    margin-left: 1.25rem;
}

.app-sidebar .nav.flex-column.ms-3 .nav-link {
    padding-left: 0.85rem;
}

.app-sidebar .nav.flex-column.ms-3 .nav-link.active {
    border-right: none;
    border-left: 2px solid var(--app-primary);
    margin-left: -1px;
}

/* ============ Content ============ */
.app-content {
    min-height: calc(100vh - 56px);
}

.page-header {
    margin-bottom: 1.25rem;
}

.page-header h3 {
    margin-bottom: 0.1rem;
}

/* ============ Cards ============ */
.card {
    border: 1px solid var(--app-border);
    border-radius: var(--app-radius);
}

.card-header {
    border-bottom: 1px solid var(--app-border);
    font-size: 0.95rem;
}

/* ============ Dashboard summary cards ============ */
.summary-card {
    border: 1px solid var(--app-border);
    border-radius: var(--app-radius);
    box-shadow: 0 1px 2px rgba(16, 24, 40, 0.04);
    transition: box-shadow 0.15s ease, transform 0.15s ease;
}

.summary-card:hover {
    box-shadow: 0 6px 16px rgba(16, 24, 40, 0.08);
    transform: translateY(-2px);
}

.summary-card .icon-wrap {
    width: 50px;
    height: 50px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.summary-card .summary-value {
    font-size: 1.75rem;
    font-weight: 700;
    line-height: 1.2;
}

.summary-card .summary-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: #4a5266;
}

.summary-card .summary-sub {
    font-size: 0.75rem;
    color: var(--app-text-muted);
}

/* Priority work cards */
.priority-card {
    border: 1px solid var(--app-border);
    border-left: 4px solid #dc3545;
    border-radius: var(--app-radius);
    background-color: #fff;
    transition: box-shadow 0.15s ease, transform 0.15s ease;
    display: flex;
    flex-direction: column;
}

.priority-card:hover {
    box-shadow: 0 6px 16px rgba(16, 24, 40, 0.08);
    transform: translateY(-2px);
}

.priority-card.medium {
    border-left-color: #fd7e14;
}

.priority-card .btn {
    align-self: flex-start;
}

/* Recent calls / report table */
.table thead th {
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--app-text-muted);
    border-bottom-width: 1px;
    font-weight: 700;
}

.table-hover tbody tr:hover {
    background-color: var(--app-primary-light);
}

.badge {
    font-weight: 600;
    letter-spacing: 0.02em;
}

/* ============ Services Required checkbox list ============ */
.service-checkboxlist {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0.5rem;
}

.service-checkboxlist td {
    padding: 0.5rem 0.85rem;
    border: 1px solid var(--app-border);
    border-radius: var(--app-radius);
    background-color: #fbfcfe;
    white-space: nowrap;
    transition: border-color 0.15s ease, background-color 0.15s ease, color 0.15s ease;
}

.service-checkboxlist td:hover {
    border-color: var(--app-primary);
    background-color: var(--app-primary-light);
}

.service-checkboxlist td:has(input:checked) {
    border-color: var(--app-primary);
    background-color: var(--app-primary-light);
    color: var(--app-primary);
    font-weight: 600;
}

.service-checkboxlist td input[type="checkbox"] {
    width: 1.15em;
    height: 1.15em;
    margin: 0;
    margin-right: 0.5rem;
    vertical-align: middle;
    cursor: pointer;
    accent-color: var(--app-primary);
}

.service-checkboxlist td label {
    vertical-align: middle;
    font-size: 0.92rem;
    cursor: pointer;
}

/* ============ Login page ============ */
.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--app-primary) 0%, var(--app-primary-dark) 100%);
}

.login-card {
    border: none;
    border-radius: 0.9rem;
    box-shadow: 0 8px 30px rgba(0,0,0,0.18);
    max-width: 400px;
    width: 100%;
}