@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --sv-bg: #f4f7f9;
    --sv-surface: #ffffff;
    --sv-primary: #5b8db8;
    --sv-primary-dark: #466d91;
    --sv-primary-light: #e8f1f8;
    --sv-secondary: #8fa6b5;
    --sv-success: #7fc8a9;
    --sv-success-dark: #5aa886;
    --sv-info: #7eb5d6;
    --sv-warning: #f4d06f;
    --sv-danger: #e58f8f;
    --sv-text: #3d4f5f;
    --sv-text-muted: #6c8394;
    --sv-border: #e1e9ef;
    --sv-sidebar-width: 260px;
    --sv-navbar-height: 60px;
    --sv-radius: .75rem;
    --sv-shadow: 0 4px 20px rgba(59, 89, 112, .06);
    --sv-shadow-sm: 0 2px 8px rgba(59, 89, 112, .05);
}

html {
    font-size: 14px;
}

body.app-body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--sv-bg);
    color: var(--sv-text);
    line-height: 1.5;
}

/* Top navbar */
.app-navbar {
    height: var(--sv-navbar-height);
    background: var(--sv-surface);
    border-bottom: 1px solid var(--sv-border);
    box-shadow: var(--sv-shadow-sm);
    padding-top: 0;
    padding-bottom: 0;
}

.app-navbar .navbar-brand {
    color: var(--sv-primary);
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: -.02em;
}

.app-navbar .navbar-brand:hover {
    color: var(--sv-primary-dark);
}

.app-navbar .nav-link {
    color: var(--sv-text-muted);
    font-weight: 500;
    padding: .6rem .9rem;
    border-radius: var(--sv-radius);
}

.app-navbar .nav-link:hover,
.app-navbar .nav-link:focus {
    color: var(--sv-primary);
    background: var(--sv-primary-light);
}

.app-navbar .dropdown-toggle::after {
    vertical-align: middle;
}

.app-navbar .badge {
    background-color: var(--sv-primary-light) !important;
    color: var(--sv-primary);
    font-weight: 600;
    border: 1px solid var(--sv-border);
}

/* Sidebar */
.app-sidebar {
    width: var(--sv-sidebar-width);
    min-height: calc(100vh - var(--sv-navbar-height));
    background: var(--sv-surface);
    border-right: 1px solid var(--sv-border);
    box-shadow: var(--sv-shadow);
    padding: 1rem .75rem;
    z-index: 1000;
}

.app-sidebar .nav {
    --bs-nav-link-padding-x: .85rem;
    --bs-nav-link-padding-y: .65rem;
}

.app-sidebar .nav-link {
    color: var(--sv-text-muted);
    font-weight: 500;
    border-radius: var(--sv-radius);
    margin-bottom: .35rem;
    display: flex;
    align-items: center;
    gap: .75rem;
    transition: all .15s ease;
}

.app-sidebar .nav-link i {
    font-size: 1.15rem;
    width: 1.5rem;
    text-align: center;
}

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

.app-sidebar .nav-link.active {
    color: #fff;
    background: linear-gradient(135deg, var(--sv-primary) 0%, var(--sv-info) 100%);
    box-shadow: 0 4px 12px rgba(91, 141, 184, .25);
}

.app-sidebar .nav-link.active i {
    color: #fff;
}

.app-sidebar .menu-section {
    font-size: .7rem;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--sv-text-muted);
    font-weight: 700;
    padding: 1rem .85rem .35rem;
    margin-top: .5rem;
}

/* Main */
.app-main {
    min-height: calc(100vh - var(--sv-navbar-height));
    padding: 1.75rem;
}

.app-breadcrumb {
    background: transparent;
    padding: 0;
    margin-bottom: 1.25rem;
}

.app-breadcrumb .breadcrumb-item a {
    color: var(--sv-text-muted);
    text-decoration: none;
    font-weight: 500;
}

.app-breadcrumb .breadcrumb-item.active {
    color: var(--sv-text);
    font-weight: 600;
}

/* Cards */
.card {
    background: var(--sv-surface);
    border: 1px solid var(--sv-border);
    border-radius: var(--sv-radius);
    box-shadow: var(--sv-shadow);
}

.card-header {
    background-color: #e8f1f8 !important;
    border-bottom: 1px solid var(--sv-border);
    padding: 1rem 1.25rem;
}

.card-header h5, .card-header h6 {
    color: var(--sv-primary-dark);
    font-weight: 600;
}

.card-header .btn {
    box-shadow: 0 2px 4px rgba(59, 89, 112, .08);
}

.card-body {
    padding: 1.25rem;
}

.card-stats {
    transition: transform .2s ease, box-shadow .2s ease;
    border-left: 4px solid var(--sv-primary);
}

.card-stats:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(59, 89, 112, .1);
}

.card-stats.success { border-left-color: var(--sv-success); }
.card-stats.warning { border-left-color: var(--sv-warning); }
.card-stats.danger  { border-left-color: var(--sv-danger); }
.card-stats.info    { border-left-color: var(--sv-info); }

/* Buttons */
.btn {
    font-weight: 500;
    border-radius: .6rem;
    padding: .45rem .9rem;
    transition: all .15s ease;
}

.btn-primary {
    background-color: var(--sv-primary);
    border-color: var(--sv-primary);
    color: #fff;
}

.btn-primary:hover, .btn-primary:focus {
    background-color: var(--sv-primary-dark);
    border-color: var(--sv-primary-dark);
}

.btn-success { background-color: var(--sv-success); border-color: var(--sv-success); color: #fff; }
.btn-success:hover { background-color: var(--sv-success-dark); border-color: var(--sv-success-dark); }

.btn-info { background-color: var(--sv-info); border-color: var(--sv-info); color: #fff; }
.btn-warning { background-color: var(--sv-warning); border-color: var(--sv-warning); color: #3d4f5f; }
.btn-danger { background-color: var(--sv-danger); border-color: var(--sv-danger); color: #fff; }

.btn-outline-primary { color: var(--sv-primary); border-color: var(--sv-primary); }
.btn-outline-primary:hover { background-color: var(--sv-primary); color: #fff; }

.btn-sm {
    padding: .3rem .65rem;
    font-size: .8rem;
    border-radius: .5rem;
}

/* Tables & DataTables */
.table {
    --bs-table-bg: transparent;
    --bs-table-border-color: var(--sv-border);
    color: var(--sv-text);
    margin-bottom: 0;
}

.table > thead {
    background-color: var(--sv-primary-light);
}

.table > thead th {
    color: var(--sv-primary-dark);
    font-weight: 600;
    font-size: .8rem;
    text-transform: uppercase;
    letter-spacing: .03em;
    border-bottom: 1px solid var(--sv-border);
    padding: .85rem 1rem;
    white-space: nowrap;
}

.table > tbody td {
    padding: .85rem 1rem;
    vertical-align: middle;
    border-bottom: 1px solid var(--sv-border);
}

.table-hover > tbody > tr:hover {
    background-color: rgba(91, 141, 184, .04);
}

.table-responsive {
    border-radius: var(--sv-radius);
}

/* DataTables wrapper */
.dataTables_wrapper {
    padding: 0;
}

.dataTables_length,
.dataTables_filter,
.dataTables_info,
.dataTables_paginate {
    padding: .5rem 0;
}

.dataTables_length label,
.dataTables_filter label {
    color: var(--sv-text-muted);
    font-weight: 500;
    font-size: .85rem;
}

.dataTables_filter input,
.dataTables_length select {
    border: 1px solid var(--sv-border);
    border-radius: .5rem;
    padding: .35rem .7rem;
    background: #fff;
    color: var(--sv-text);
    margin-left: .5rem;
}

.dataTables_filter input:focus,
.dataTables_length select:focus {
    outline: none;
    border-color: var(--sv-primary);
    box-shadow: 0 0 0 3px rgba(91, 141, 184, .15);
}

.dataTables_paginate .pagination {
    margin-bottom: 0;
    gap: .25rem;
}

.page-item .page-link {
    border: 1px solid var(--sv-border);
    border-radius: .5rem;
    color: var(--sv-text-muted);
    font-weight: 500;
    padding: .35rem .7rem;
}

.page-item.active .page-link {
    background-color: var(--sv-primary);
    border-color: var(--sv-primary);
    color: #fff;
}

.page-item .page-link:hover {
    background-color: var(--sv-primary-light);
    color: var(--sv-primary);
}

/* Forms */
.form-control, .form-select {
    border: 1px solid var(--sv-border);
    border-radius: .6rem;
    color: var(--sv-text);
}

.form-control:focus, .form-select:focus {
    border-color: var(--sv-primary);
    box-shadow: 0 0 0 3px rgba(91, 141, 184, .15);
}

.select2-container--default .select2-selection--single,
.select2-container--default .select2-selection--multiple {
    border: 1px solid var(--sv-border);
    border-radius: .6rem;
    min-height: calc(2.1rem + 2px);
}

.select2-container--default.select2-container--focus .select2-selection--single,
.select2-container--default.select2-container--focus .select2-selection--multiple {
    border-color: var(--sv-primary);
    box-shadow: 0 0 0 3px rgba(91, 141, 184, .15);
}

/* Login */
.login-page {
    min-height: 100vh;
    background: #f4f7fa;
}

.login-hero {
    background: linear-gradient(135deg, #0b3a5d 0%, #1565a8 50%, #0d8ecf 100%);
}

.login-hero-pattern {
    position: absolute;
    inset: 0;
    opacity: 0.08;
    background-image: radial-gradient(#ffffff 1px, transparent 1px);
    background-size: 28px 28px;
}

.login-gear {
    position: absolute;
    color: #ffffff;
    animation: spin 60s linear infinite;
    pointer-events: none;
}

.login-gear-1 {
    width: 420px;
    height: 420px;
    top: -120px;
    right: -80px;
    opacity: 0.35;
}

.login-gear-2 {
    width: 280px;
    height: 280px;
    bottom: -60px;
    left: -60px;
    opacity: 0.25;
    animation-direction: reverse;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.login-brand-icon {
    width: 72px;
    height: 72px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.login-feature-icon {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.18);
}

.login-card {
    width: 100%;
    border: none;
    border-radius: 1.25rem;
}

.login-form .input-group > .input-group-text:first-child {
    border-radius: 0.625rem 0 0 0.625rem;
}

.login-form .input-group > .input-group-text:last-child {
    border-radius: 0 0.625rem 0.625rem 0;
}

.login-form .input-group > .form-control:not(:last-child) {
    border-radius: 0;
}

.login-form .input-group > .form-control:last-child {
    border-radius: 0 0.625rem 0.625rem 0;
}

.login-form .form-control:focus {
    box-shadow: none;
    border-color: #ced4da;
}

.login-form .input-group:focus-within .input-group-text,
.login-form .input-group:focus-within .form-control {
    border-color: #86b7fe;
}

.login-form .input-group-lg > .form-control,
.login-form .input-group-lg > .input-group-text {
    padding-top: 0.85rem;
    padding-bottom: 0.85rem;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--sv-bg);
}

::-webkit-scrollbar-thumb {
    background: #c9d7e2;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #a8bcc9;
}

/* Print styles */
@media print {
    .app-navbar, .app-sidebar, .app-breadcrumb, .btn, .handle, .d-print-none, .dataTables_length, .dataTables_filter, .dataTables_info, .dataTables_paginate {
        display: none !important;
    }
    .app-main {
        padding: 0;
        margin: 0;
    }
    .card {
        box-shadow: none;
        border: none;
    }
    .card-header {
        background: #fff !important;
        border-bottom: 1px solid #000;
    }
    body {
        background: #fff;
    }
}

/* Utilities */
.text-muted { color: var(--sv-text-muted) !important; }
.border-bottom { border-color: var(--sv-border) !important; }