:root {
    --bs-border-radius: 0.5rem;
    --bs-border-color: #e9ecef;
    --bs-primary: #244cab;
    --bs-primary-rgb: 36, 76, 171;
    --primary-darker-1: #1f408f;
    --primary-darker-2: #1d3c85;
    --primary-darker-3: #1a367a;
    --body-bg: #f8f9fa;
    --card-bg: #ffffff;
    --text-primary: #18181b;
    --text-secondary: #3f3f46;
    --text-muted: #6c757d;
    --text-inverted: #ffffff;
    --neutral-bg: #f8f9fa;
    --neutral-hover-bg: #e9ecef;
    --neutral-border-color: #dee2e6;
    --form-border-color: #ced4da;
    --sidebar-width: 220px;
}

body, html {
    font-family: 'Inter', sans-serif;
    background-color: var(--body-bg);
    height: 100%;
    margin: 0;
}

html {
    font-size: 13px;
    overflow-x: hidden;
}

body {
    overflow: hidden;
}

#wrapper {
    display: flex;
    height: 100vh;
}

.sidebar-wrapper {
    width: var(--sidebar-width);
    background-color: var(--card-bg);
    border-right: 1px solid var(--bs-border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    left: 0;
    top: 0;
    height: 100%;
    z-index: 1000;
    transition: left 0.3s ease-in-out;
}

#wrapper.toggled .sidebar-wrapper {
    left: calc(-1 * var(--sidebar-width));
}

.sidebar-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--bs-border-color);
}

.sidebar-nav {
    padding: 0.75rem;
    flex-grow: 1;
}

.nav-list {
    list-style: none;
    padding-left: 0;
    margin: 0;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.65rem 1rem;
    border-radius: 0.375rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: background-color 0.15s ease, color 0.15s ease;
}

    .nav-link:hover {
        background-color: var(--neutral-hover-bg);
        color: var(--text-primary);
    }

    .nav-link.active {
        background-color: var(--bs-primary);
        color: var(--text-inverted);
    }

    .nav-link .fa-fw {
        width: 1.25em;
        text-align: center;
    }

.sidebar-footer {
    padding: 1rem;
    border-top: 1px solid var(--bs-border-color);
}

    .sidebar-footer .user-profile {
        padding: 0.5rem;
        border-radius: 0.375rem;
        color: var(--text-secondary);
        transition: background-color 0.15s ease;
    }

        .sidebar-footer .user-profile:hover {
            background-color: var(--neutral-hover-bg);
        }

    .sidebar-footer .user-info {
        margin-left: 0.75rem;
        min-width: 0;
        line-height: 1.2;
    }

        .sidebar-footer .user-info strong {
            font-weight: 600;
        }

    .sidebar-footer .dropdown-toggle::after {
        display: none;
    }

#page-content-wrapper {
    flex: 1;
    min-width: 0;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow-y: auto;
    transition: margin-left 0.3s ease-in-out;
}

#wrapper.toggled #page-content-wrapper {
    margin-left: 0;
}

#page-content-wrapper main {
    flex-grow: 1;
}

.card {
    border-radius: var(--bs-border-radius);
    border: 1px solid var(--bs-border-color);
    background-color: var(--card-bg);
}

.btn {
    border-radius: 0.375rem;
    font-weight: 500;
    transition: all 0.15s ease-in-out;
}

.btn-primary {
    --bs-btn-bg: var(--bs-primary);
    --bs-btn-border-color: var(--bs-primary);
    --bs-btn-hover-bg: var(--primary-darker-1);
    --bs-btn-hover-border-color: var(--primary-darker-2);
    --bs-btn-active-bg: var(--primary-darker-2);
    --bs-btn-active-border-color: var(--primary-darker-3);
    --bs-btn-color: var(--text-inverted);
}

.btn-secondary {
    --bs-btn-bg: var(--neutral-bg);
    --bs-btn-border-color: var(--bs-border-color);
    --bs-btn-color: var(--text-secondary);
    --bs-btn-hover-bg: var(--neutral-hover-bg);
    --bs-btn-hover-color: var(--text-primary);
    --bs-btn-hover-border-color: var(--neutral-border-color);
}

.form-select, .form-control {
    border-radius: 0.375rem;
    border-color: var(--form-border-color);
}

    .form-select:focus, .form-control:focus, .btn:focus {
        border-color: var(--bs-primary);
        box-shadow: 0 0 0 2px rgba(var(--bs-primary-rgb), 0.25);
    }

.form-switch .form-check-input:checked {
    background-color: var(--bs-primary);
    border-color: var(--bs-primary);
}

.accordion-item {
    border: 1px solid var(--bs-border-color);
    border-radius: var(--bs-border-radius);
}

.accordion-button {
    font-weight: 500;
    color: var(--text-secondary);
}

    .accordion-button:not(.collapsed) {
        background-color: var(--neutral-bg);
        box-shadow: inset 0 -1px 0 rgba(0,0,0,.075);
    }

.table-hover > tbody > tr:hover > * {
    --bs-table-hover-bg: var(--neutral-hover-bg);
    color: var(--bs-body-color);
}

.table th, .table td {
    padding: 0.75rem 1rem;
    vertical-align: middle;
    border-bottom: 1px solid var(--bs-border-color);
}

.table thead th {
    font-weight: 500;
    color: var(--text-muted);
    border-bottom-width: 2px;
}

.badge {
    padding: 0.4em 0.7em;
    font-size: 0.75rem;
    font-weight: 500;
    line-height: 1;
    border-radius: 0.375rem;
}