:root {
    --app-bg: #f2f5fb;
    --app-surface: rgba(255, 255, 255, 0.82);
    --app-surface-solid: #ffffff;
    --app-surface-muted: #f7f9fc;
    --app-text: #1c2333;
    --app-text-soft: #5b6782;
    --app-border: rgba(128, 146, 183, 0.25);
    --app-accent: #3c63ff;
    --app-accent-soft: rgba(60, 99, 255, 0.12);
    --app-success: #1ea971;
    --app-warning: #f4a300;
    --app-danger: #de3151;
    --app-shadow: 0 18px 45px rgba(17, 33, 72, 0.12);
    --app-shadow-soft: 0 8px 24px rgba(17, 33, 72, 0.08);
    --app-radius: 18px;
    --app-radius-sm: 12px;
    --app-transition: 240ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

body[data-theme="dark"] {
    --app-bg: #0f1524;
    --app-surface: rgba(23, 32, 50, 0.84);
    --app-surface-solid: #151f33;
    --app-surface-muted: #1b2740;
    --app-text: #e8eefc;
    --app-text-soft: #b4c2de;
    --app-border: rgba(138, 166, 216, 0.25);
    --app-accent: #7b9bff;
    --app-accent-soft: rgba(123, 155, 255, 0.18);
    --app-success: #4bd49c;
    --app-warning: #f7c14a;
    --app-danger: #ff6b87;
    --app-shadow: 0 20px 48px rgba(0, 0, 0, 0.38);
    --app-shadow-soft: 0 8px 24px rgba(0, 0, 0, 0.24);
}

html,
body {
    min-height: 100%;
}

body {
    background: radial-gradient(circle at 10% 8%, rgba(93, 141, 255, 0.16), transparent 32%),
        radial-gradient(circle at 90% 6%, rgba(102, 219, 202, 0.14), transparent 28%),
        var(--app-bg);
    color: var(--app-text);
    transition: background-color var(--app-transition), color var(--app-transition);
}

a {
    color: var(--app-accent);
}

.main {
    padding-bottom: 2rem;
}

#main {
    padding: 24px;
}

.pagetitle h1,
.card-title,
.header-nav .nav-profile,
.sidebar-nav .nav-link,
.footer .copyright {
    color: var(--app-text);
}

.pagetitle .breadcrumb,
.card-title span,
.footer .credits,
.header-nav .profile .dropdown-header span {
    color: var(--app-text-soft);
}

.header,
.sidebar,
.card,
.dropdown-menu,
.footer {
    background: var(--app-surface);
    border: 1px solid var(--app-border);
    box-shadow: var(--app-shadow-soft);
    backdrop-filter: blur(14px);
}

.header {
    height: 68px;
    border-radius: 0 0 var(--app-radius) var(--app-radius);
    padding-inline: 1rem;
}

.logo span {
    letter-spacing: 0.35px;
}

.sidebar {
    top: 68px;
    bottom: 12px;
    margin: 8px 0 0 10px;
    width: 292px;
    border-radius: var(--app-radius);
    padding: 1rem;
}

.sidebar-nav .nav-link {
    border-radius: var(--app-radius-sm);
    background: transparent;
    border: 1px solid transparent;
    transition: all var(--app-transition);
}

.sidebar-nav .nav-link:not(.collapsed),
.sidebar-nav .nav-link:hover {
    background: var(--app-accent-soft);
    border-color: rgba(87, 120, 255, 0.28);
}

.sidebar-nav .nav-link.collapsed {
    color: var(--app-text);
}

.sidebar-nav .nav-link i,
.sidebar-nav .nav-link.collapsed i,
.header .toggle-sidebar-btn,
.header-nav .nav-icon {
    color: var(--app-text-soft);
}

.sidebar-nav .nav-content a {
    border-radius: 10px;
    margin: 3px 0;
    color: var(--app-text-soft);
    transition: all var(--app-transition);
}

.sidebar-nav .nav-content a:hover,
.sidebar-nav .nav-content a.active {
    background: rgba(127, 152, 230, 0.14);
    color: var(--app-accent);
}

.card {
    border-radius: var(--app-radius);
    margin-bottom: 1.2rem;
}

.card-body {
    padding: 1.1rem 1.2rem 1.25rem;
}

.table,
.table-striped,
.table-hover {
    --bs-table-bg: transparent;
    --bs-table-color: var(--app-text);
    --bs-table-border-color: var(--app-border);
    --bs-table-striped-bg: rgba(95, 126, 224, 0.07);
    --bs-table-hover-bg: rgba(95, 126, 224, 0.11);
}

.table-responsive,
.documents-table-wrapper {
    border: 1px solid var(--app-border);
    border-radius: var(--app-radius-sm);
    background: var(--app-surface-solid);
}

.table > :not(caption) > * > * {
    padding: 0.78rem 0.7rem;
}

.form-control,
.form-select,
.select2-container--default .select2-selection--single {
    border-radius: 12px;
    border: 1px solid var(--app-border);
    background: var(--app-surface-solid);
    color: var(--app-text);
    transition: all var(--app-transition);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--app-accent);
    box-shadow: 0 0 0 0.25rem rgba(74, 112, 250, 0.2);
}

.btn {
    border-radius: 999px;
    transition: transform var(--app-transition), box-shadow var(--app-transition), background var(--app-transition);
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 10px 18px rgba(27, 45, 90, 0.14);
}

.btn-primary {
    background: linear-gradient(135deg, #4e72ff, #2b52f3);
    border-color: #2f57f1;
}

.btn-secondary {
    background: rgba(128, 146, 183, 0.22);
    border-color: transparent;
    color: var(--app-text);
}

.badge {
    border-radius: 999px;
    padding: 0.38rem 0.6rem;
}

.dropdown-menu {
    border-radius: var(--app-radius-sm);
    border: 1px solid var(--app-border);
}

.dropdown-menu .dropdown-item {
    color: var(--app-text);
}

.dropdown-menu .dropdown-item:hover {
    background: var(--app-accent-soft);
}

.theme-toggle-btn {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: 1px solid var(--app-border);
    background: var(--app-surface-solid);
    color: var(--app-text-soft);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle-btn:hover {
    color: var(--app-accent);
    transform: translateY(-1px);
}

body[data-theme="dark"] .navbar,
body[data-theme="dark"] .modal-content,
body[data-theme="dark"] .swal2-popup {
    background: var(--app-surface-solid) !important;
    color: var(--app-text) !important;
}

body[data-theme="dark"] .swal2-title,
body[data-theme="dark"] .swal2-html-container {
    color: var(--app-text) !important;
}

.dataTables_wrapper .dataTables_filter input,
.dataTables_wrapper .dataTables_length select {
    border-radius: 10px;
    border: 1px solid var(--app-border);
    background: var(--app-surface-solid);
    color: var(--app-text);
}

@media (min-width: 1200px) {
    #main,
    #footer {
        margin-left: 314px;
    }

    .toggle-sidebar #main,
    .toggle-sidebar #footer {
        margin-left: 0;
    }
}

@media (max-width: 1199px) {
    #main {
        margin-left: 0;
        padding: 1rem;
        margin-top: 72px;
    }

    .header {
        border-radius: 0;
    }

    .sidebar {
        margin: 0;
        top: 68px;
        bottom: 0;
        border-radius: 0 18px 18px 0;
        width: min(90vw, 320px);
    }
}

@media (max-width: 768px) {
    .card-body {
        padding: 1rem;
    }

    .pagetitle h1 {
        font-size: 1.25rem;
    }

    .btn,
    .form-control,
    .form-select {
        min-height: 42px;
    }

    .table > :not(caption) > * > * {
        white-space: nowrap;
    }
}