:root {
    --bs-primary: #4285F4;
    --bs-primary-rgb: 66, 133, 244;

    --google-blue: #4285F4;
    --google-red: #EA4335;
    --google-yellow: #FBBC05;
    --google-green: #34A853;

    --bs-secondary: #1e293b;
    --bs-success: #34A853;
    --bs-danger: #EA4335;
    --bs-warning: #FBBC05;
    --bs-info: #4285F4;
    --bs-light: #f8fafc;
    --bs-dark: #0f172a;

    --soft-bg: #f1f5f9;
    --card-bg: rgba(255,255,255,0.9);
    --border-color: rgba(148,163,184,0.2);

    --shadow-sm: 0 4px 14px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 10px 25px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 18px 45px rgba(15, 23, 42, 0.12);

    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 24px;

    --transition: all 0.35s ease;
}

/* BODY */
body {
    background: var(--soft-bg);
    color: #334155;
    font-family: 'Inter', sans-serif;
    line-height: 1.7;
    overflow-x: hidden;
}

/* HEADINGS */
h1, h2, h3, h4, h5, h6 {
    color: #0f172a;
    font-weight: 700;
    letter-spacing: -0.5px;
}

/* LINKS */
a {
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--bs-primary);
}

/* BUTTONS */
.btn {
    border-radius: 12px;
    padding: 12px 26px;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    box-shadow: var(--shadow-sm);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-primary {
    background: linear-gradient(135deg, var(--google-blue), var(--google-green));
    color: #fff;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--google-blue), var(--google-red));
}

.btn-outline-primary {
    border: 2px solid var(--bs-primary);
    color: var(--bs-primary);
    background: transparent;
}

.btn-outline-primary:hover {
    border: 1px solid transparent;
    background: var(--bs-primary);
    color: #fff;
}

/* =====================================================
   CARDS
===================================================== */
.card {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    overflow: hidden;
}

.card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.card img {
    transition: var(--transition);
}

.card:hover img {
    transform: scale(1.05);
}

.card-title {
    font-weight: 700;
}

/* =====================================================
   NAVBAR
===================================================== */
.navbar {
    padding: 14px 0;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--bs-primary) !important;
}

.navbar-nav .nav-link {
    color: #334155 !important;
    font-size: 0.875rem;
    font-weight: 600;
    margin: 0 8px;
    position: relative;
}

.navbar-nav .nav-link::after {
    content: '';
    /* position: absolute; */
    /* left: 0; */
    /* bottom: -6px; */
    /* width: 0; */
    /* height: 2px; */
    /* background: var(--bs-primary); */
    /* transition: var(--transition); */
}

.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link.active::after {
    width: 100%;
}

/* =====================================================
   DROPDOWN
===================================================== */
.dropdown-menu {
    border: none;
    border-radius: 14px;
    box-shadow: var(--shadow-lg);
    padding: 10px;
}

.dropdown-item {
    border-radius: 10px;
    padding: 10px 14px;
    font-size: 0.875rem;
    transition: var(--transition);
}

.dropdown-item:hover {
    background: rgba(var(--bs-primary-rgb), 0.08);
    color: var(--bs-primary);
}

/* =====================================================
   FORM CONTROLS
===================================================== */
.form-control,
.form-select {
    border-radius: 12px;
    padding: 12px 16px;
    border: 1px solid #dbe2ea;
    box-shadow: none;
    transition: var(--transition);
}

.form-control:focus,
.form-select:focus {
    border-color: rgba(var(--bs-primary-rgb), 0.5);
    box-shadow: 0 0 0 0.25rem rgba(var(--bs-primary-rgb), 0.15);
}

/* =====================================================
   TABLES
===================================================== */
.table {
    border-radius: 16px;
    overflow: hidden;
    background: #fff;
}

.table thead {
    background: linear-gradient(135deg, var(--google-blue), var(--google-green));
    color: #fff;
}

.table th,
.table td {
    padding: 16px;
    vertical-align: middle;
}

.table-hover tbody tr:hover {
    background: rgba(var(--bs-primary-rgb), 0.04);
}

/* =====================================================
   BADGES
===================================================== */
.badge {
    padding: 8px 14px;
    border-radius: 50px;
    font-weight: 600;
}

.bg-primary {
    background: linear-gradient(135deg, #4f46e5, #7c3aed) !important;
}

/* =====================================================
   ALERTS
===================================================== */
.alert {
    border: none;
    border-radius: 14px;
    padding: 16px 20px;
    box-shadow: var(--shadow-sm);
}

/* =====================================================
   ACCORDION
===================================================== */
.accordion-item {
    border: none;
    border-radius: 10px !important;
    overflow: hidden;
    margin-bottom: 12px;
    /* box-shadow: var(--shadow-sm); */
}

.accordion-button {
    font-weight: 500;
    font-size: 1rem !important;
    padding: 18px 22px;
}

.accordion-button:not(.collapsed) {
    background: rgba(var(--bs-primary-rgb), 0.08);
    color: var(--bs-primary);
    box-shadow: none;
}

/* =====================================================
   MODALS
===================================================== */
.modal-content {
    border: none;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.modal-header,
.modal-footer {
    border: none;
}

/* =====================================================
   PAGINATION
===================================================== */
.pagination .page-link {
    border: none;
    margin: 0 5px;
    border-radius: 10px;
    color: #334155;
    transition: var(--transition);
}

.pagination .page-link:hover,
.pagination .page-item.active .page-link {
    background: var(--bs-primary);
    color: #fff;
}

/* =====================================================
   UTILITIES
===================================================== */
.shadow-modern {
    box-shadow: var(--shadow-lg);
}

.rounded-modern {
    border-radius: var(--radius-lg);
}

.glass-effect {
    background: rgba(255,255,255,0.75);
    backdrop-filter: blur(12px);
}

.gradient-primary {
    background: linear-gradient(135deg, var(--google-blue), var(--google-green));
}

.gradient-success {
    background: linear-gradient(135deg, var(--google-green), var(--google-blue));
}

.gradient-danger {
    background: linear-gradient(135deg, var(--google-red), var(--google-yellow));
}

/* =====================================================
   SECTION SPACING
===================================================== */
.section-padding {
    padding: 90px 0;
}

/* =====================================================
   SCROLLBAR
===================================================== */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--google-blue), var(--google-green));
    border-radius: 50px;
}

::-webkit-scrollbar-track {
    background: #e2e8f0;
}

/* =====================================================
   RESPONSIVE
===================================================== */
@media (max-width: 768px) {

    .btn {
        padding: 10px 18px;
    }

    .section-padding {
        padding: 60px 0;
    }

    .navbar-nav {
        padding-top: 10px;
    }
}