:root {
    --pf-primary: #2563eb;
    --pf-primary-dark: #1d4ed8;
    --pf-secondary: #475569;
    --pf-bg-light: #f8fafc;
    --pf-border: #e2e8f0;
    --pf-success: #10b981;
    --pf-danger: #ef4444;
    --pf-warning: #f59e0b;
    --pf-info: #3b82f6;
    --pf-sidebar-width: 290px;
}

body {
    background-color: var(--pf-bg-light);
    color: var(--pf-secondary);
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    -webkit-font-smoothing: antialiased;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

/* Animations */
.fade-in {
    animation: fadeIn 0.4s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Base Layout (Mobile First) */
.pf-app-layout {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.pf-main-content {
    flex: 1;
    padding: 1rem;
    width: 100%;
    transition: margin-left 0.3s ease;
}

.pf-sidebar-right {
    position: fixed;
    top: 0;
    left: -320px;
    width: var(--pf-sidebar-width);
    height: 100vh;
    background-color: #ffffff;
    z-index: 1050;
    display: flex;
    flex-direction: column;
    transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.pf-sidebar-right.show {
    left: 0;
}

.pf-sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(15, 23, 42, 0.4);
    backdrop-filter: blur(2px);
    z-index: 1040;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.pf-sidebar-overlay.show {
    opacity: 1;
    visibility: visible;
}

/* Desktop Layout Override */
@media (min-width: 992px) {
    .pf-app-layout {
        flex-direction: row;
    }

    .pf-main-content {
        margin-left: var(--pf-sidebar-width);
        padding: 2rem 3.5rem;
    }

    .pf-sidebar-right {
        left: 0;
        border-right: 1px solid var(--pf-border);
    }

    .pf-sidebar-overlay {
        display: none !important;
    }
}

/* Custom Scrollbar for Sidebar */
.pf-sidebar-body::-webkit-scrollbar {
    width: 6px;
}

.pf-sidebar-body::-webkit-scrollbar-track {
    background: transparent;
}

.pf-sidebar-body::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
}

.pf-sidebar-body:hover::-webkit-scrollbar-thumb {
    background: #94a3b8;
}

/* Navigation Links Styling */
.pf-nav .nav-link {
    color: var(--pf-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.65rem 1rem;
    border-radius: 0.5rem;
    margin-bottom: 0.25rem;
    transition: all 0.2s ease;
}

.pf-nav .nav-link:hover {
    background-color: var(--pf-bg-light);
    color: var(--pf-primary);
    transform: translateX(3px);
}

.pf-nav .nav-link.active,
.pf-nav .nav-link:focus {
    color: var(--pf-primary);
}

/* Submenu adjustments */
.pf-submenu .nav-link {
    font-size: 0.88rem;
    padding: 0.5rem 1rem;
    margin-bottom: 0.15rem;
    color: #64748b;
}

.pf-submenu .nav-link:hover {
    color: var(--pf-primary);
    background-color: transparent;
    transform: translateX(4px);
}

.pf-chevron {
    font-size: 0.8rem;
    transition: transform 0.2s;
}

/* Cards and UI Elements Modernization */
.card {
    border-radius: 1rem;
    border: 1px solid var(--pf-border);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    background-color: #ffffff;
}

.card:hover {
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.025);
}

.card-header {
    background-color: transparent;
    border-bottom: 1px solid var(--pf-border);
    padding: 1.25rem 1.5rem;
    font-weight: 600;
}

.card-body {
    padding: 1.5rem;
}

.btn {
    font-weight: 500;
    border-radius: 0.5rem;
    padding: 0.5rem 1rem;
    transition: all 0.2s;
}

.btn-pf-primary,
.btn-primary {
    background-color: var(--pf-primary);
    border-color: var(--pf-primary);
    color: #ffffff;
    box-shadow: 0 2px 4px rgba(37, 99, 235, 0.15);
}

.btn-pf-primary:hover,
.btn-pf-primary:focus,
.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--pf-primary-dark);
    border-color: var(--pf-primary-dark);
    color: #ffffff;
    transform: translateY(-1px);
    box-shadow: 0 4px 6px -1px rgba(37, 99, 235, 0.25);
}

.btn-outline-pf-primary,
.btn-outline-primary {
    color: var(--pf-primary);
    border-color: var(--pf-primary);
    background-color: transparent;
}

.btn-outline-pf-primary:hover,
.btn-outline-pf-primary:focus,
.btn-outline-primary:hover,
.btn-outline-primary:focus {
    background-color: var(--pf-primary);
    color: #ffffff;
    transform: translateY(-1px);
    box-shadow: 0 4px 6px -1px rgba(37, 99, 235, 0.2);
}

.form-control,
.form-select {
    border-radius: 0.5rem;
    border-color: #cbd5e1;
    padding: 0.6rem 1rem;
    font-size: 0.95rem;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--pf-primary);
    box-shadow: 0 0 0 0.25rem rgba(37, 99, 235, 0.15);
}

.table {
    vertical-align: middle;
}

.table th {
    font-weight: 600;
    color: #475569;
    border-bottom: 2px solid var(--pf-border);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
}

.table td {
    color: #334155;
    border-bottom: 1px solid var(--pf-border);
}

.badge {
    padding: 0.35em 0.65em;
    font-weight: 600;
}

/* Fix table corners in cards */
.table-responsive {
    border-radius: 0.5rem;
}