:root {
    --dexis-blue: #003A5D;
    --dexis-purple: #712D91;
    --dexis-blue-light: #004d7a;
    --dexis-purple-light: #8a3db0;
    --sidebar-width: 260px;
    --sidebar-collapsed-width: 60px;
    --topbar-height: 50px;
}

body {
    background-color: #f5f7fa;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

/* ===== SIDEBAR ===== */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background-color: var(--dexis-blue);
    color: #fff;
    display: flex;
    flex-direction: column;
    z-index: 1000;
    transition: width 0.3s ease;
    overflow-y: auto;
    overflow-x: hidden;
}

.sidebar.collapsed {
    width: var(--sidebar-collapsed-width);
}

.sidebar.collapsed .sidebar-header span,
.sidebar.collapsed .sidebar-brand span,
.sidebar.collapsed .nav-link span,
.sidebar.collapsed .nav-section,
.sidebar.collapsed .sidebar-user span,
.sidebar.collapsed .sidebar-user .badge {
    display: none;
}

.sidebar.collapsed .sidebar-header,
.sidebar.collapsed .sidebar-brand {
    justify-content: center;
    padding: 0 0 12px 0;
}

.sidebar.collapsed .nav-link {
    justify-content: center;
    padding: 10px 0;
}

.sidebar.collapsed .nav-link i {
    margin-right: 0;
    font-size: 1.2rem;
}

.sidebar-header {
    padding: 16px 16px 12px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar-brand {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: #fff;
    font-weight: 600;
    font-size: 1rem;
    gap: 10px;
}

.sidebar-brand:hover {
    color: #fff;
}

.sidebar-nav {
    list-style: none;
    padding: 8px 0;
    margin: 0;
    flex: 1;
}

.sidebar-nav .nav-section {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: rgba(255,255,255,0.4);
    padding: 16px 16px 4px;
    font-weight: 600;
}

.sidebar-nav .nav-link {
    display: flex;
    align-items: center;
    padding: 8px 16px;
    color: rgba(255,255,255,0.75);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.2s;
    border-left: 3px solid transparent;
}

.sidebar-nav .nav-link:hover {
    color: #fff;
    background-color: rgba(255,255,255,0.08);
    border-left-color: rgba(255,255,255,0.3);
}

.sidebar-nav .nav-link.active {
    color: #fff;
    background-color: rgba(255,255,255,0.12);
    border-left-color: var(--dexis-purple);
    font-weight: 500;
}

.sidebar-nav .nav-link i {
    font-size: 1.05rem;
    margin-right: 10px;
    width: 20px;
    text-align: center;
}

.sidebar-footer {
    padding: 12px 16px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.8);
}

.sidebar-user i {
    font-size: 1.3rem;
}

.sidebar-user .badge {
    font-size: 0.65rem;
}

/* ===== MAIN CONTENT ===== */
.main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    transition: margin-left 0.3s ease;
}

.main-content.sidebar-collapsed {
    margin-left: var(--sidebar-collapsed-width);
}

.main-content.no-sidebar {
    margin-left: 0;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--topbar-height);
    padding: 0 20px;
    background-color: #fff;
    border-bottom: 1px solid #e9ecef;
    box-shadow: 0 1px 2px rgba(0,0,0,0.04);
}

.topbar .sidebar-toggle {
    color: var(--dexis-blue);
    font-size: 1.3rem;
    padding: 4px 8px;
}

.topbar .sidebar-toggle:hover {
    color: var(--dexis-purple);
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 4px;
}

.topbar-right .btn-link {
    color: #555;
    text-decoration: none;
    font-size: 0.9rem;
}

.topbar-right .btn-link:hover {
    color: var(--dexis-purple);
}

.content-wrapper {
    padding: 20px;
}

/* ===== EXISTING STYLES ===== */
.btn-dexis {
    background-color: var(--dexis-purple);
    border-color: var(--dexis-purple);
    color: #fff;
}

.btn-dexis:hover {
    background-color: var(--dexis-purple-light);
    border-color: var(--dexis-purple-light);
    color: #fff;
}

.btn-outline-dexis {
    color: var(--dexis-purple);
    border-color: var(--dexis-purple);
}

.btn-outline-dexis:hover {
    background-color: var(--dexis-purple);
    color: #fff;
}

.card {
    box-shadow: 0 1px 3px rgba(0,0,0,.08);
    border: none;
}

.table th {
    font-weight: 600;
    color: #555;
}

.badge {
    font-weight: 500;
}

.btn-sm i {
    font-size: .9rem;
}

.card-header {
    background-color: #f8f9fa;
    border-bottom: 1px solid #eee;
}

.pagination {
    margin-bottom: 0;
}

.page-item.active .page-link {
    background-color: var(--dexis-purple);
    border-color: var(--dexis-purple);
}

.page-link {
    color: var(--dexis-purple);
}

.page-link:hover {
    color: var(--dexis-purple-light);
}

a {
    color: var(--dexis-purple);
}

a:hover {
    color: var(--dexis-purple-light);
}

.table a {
    color: var(--dexis-blue);
}

.table a:hover {
    color: var(--dexis-blue-light);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 991px) {
    .sidebar {
        width: var(--sidebar-collapsed-width);
    }

    .sidebar .sidebar-header span,
    .sidebar .sidebar-brand span,
    .sidebar .nav-link span,
    .sidebar .nav-section,
    .sidebar .sidebar-user span,
    .sidebar .sidebar-user .badge {
        display: none;
    }

    .sidebar .sidebar-header,
    .sidebar .sidebar-brand {
        justify-content: center;
        padding: 0 0 12px 0;
    }

    .sidebar .nav-link {
        justify-content: center;
        padding: 10px 0;
    }

    .sidebar .nav-link i {
        margin-right: 0;
        font-size: 1.2rem;
    }

    .sidebar:hover {
        width: var(--sidebar-width);
    }

    .sidebar:hover .sidebar-header span,
    .sidebar:hover .sidebar-brand span,
    .sidebar:hover .nav-link span,
    .sidebar:hover .nav-section,
    .sidebar:hover .sidebar-user span,
    .sidebar:hover .sidebar-user .badge {
        display: inline;
    }

    .sidebar:hover .sidebar-header,
    .sidebar:hover .sidebar-brand {
        justify-content: flex-start;
        padding: 16px 16px 12px;
    }

    .sidebar:hover .nav-link {
        justify-content: flex-start;
        padding: 8px 16px;
    }

    .sidebar:hover .nav-link i {
        margin-right: 10px;
        font-size: 1.05rem;
    }

    .main-content {
        margin-left: var(--sidebar-collapsed-width);
    }

    .main-content.sidebar-collapsed {
        margin-left: 0;
    }
}

@media (max-width: 575px) {
    .sidebar {
        width: 0;
    }

    .main-content {
        margin-left: 0;
    }

    .content-wrapper {
        padding: 12px;
    }
}