:root {
    --brand-950: #0b1c2c;
    --brand-900: #102a43;
    --brand-800: #173d5a;
    --brand-700: #1f5578;
    --brand-500: #2a7bb0;
    --accent-500: #20b2a5;
    --accent-300: #7dd3c7;
    --surface-0: #f4f7fb;
    --surface-1: #ffffff;
    --text-900: #0b1726;
    --text-700: #304255;
    --text-600: #4a5a6b;
    --border-200: #dde4ee;
    --shadow-soft: 0 18px 40px rgba(10, 30, 50, 0.12);
}

html[data-theme="dark"] {
    --surface-0: #0b1420;
    --surface-1: #121d2b;
    --text-900: #e2e8f0;
    --text-700: #cbd5f5;
    --text-600: #94a3b8;
    --border-200: #203149;
    --shadow-soft: 0 18px 40px rgba(0, 0, 0, 0.35);
}

body {
    font-family: "Work Sans", "Segoe UI", Tahoma, sans-serif;
    color: var(--text-900);
    background: radial-gradient(circle at top, #f7f9fc 0%, #edf2f7 55%, #e8eef6 100%);
    padding-top: 64px;
}

html[data-theme="dark"] body {
    background: radial-gradient(circle at top, #101a28 0%, #0d1622 55%, #0b141f 100%);
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    background:
        radial-gradient(circle at 15% 10%, rgba(32, 178, 165, 0.08), transparent 40%),
        radial-gradient(circle at 85% 5%, rgba(42, 123, 176, 0.10), transparent 45%);
    pointer-events: none;
    z-index: -1;
}

main.container {
    padding-top: 2.5rem;
}
.main-offset {
    padding-top: 4.5rem;
}

@media (max-width: 991.98px) {
    body {
        padding-top: 72px;
    }
}

h1, h2, h3, h4, h5, h6,
.navbar-brand span {
    font-family: "Space Grotesk", "Segoe UI", sans-serif;
    letter-spacing: 0.2px;
}

h1 { font-size: clamp(1.9rem, 1.5rem + 1.2vw, 2.6rem); }
h2 { font-size: clamp(1.6rem, 1.25rem + 0.9vw, 2.1rem); }
h3 { font-size: clamp(1.3rem, 1.1rem + 0.6vw, 1.7rem); }
h4 { font-size: clamp(1.1rem, 1rem + 0.4vw, 1.4rem); }
h5 { font-size: 1.05rem; }
h6 { font-size: 0.95rem; }

.navbar.bg-primary {
    background: linear-gradient(90deg, var(--brand-950), var(--brand-700));
    box-shadow: 0 12px 30px rgba(8, 26, 44, 0.35);
}

html[data-theme="dark"] .navbar.bg-primary {
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.45);
}

.navbar-brand span {
    font-weight: 600;
}

.brand-logo {
    height: 30px;
    width: 30px;
    filter: drop-shadow(0 6px 12px rgba(0, 0, 0, 0.25));
}

.card {
    border: 1px solid var(--border-200);
    border-radius: 18px;
    box-shadow: var(--shadow-soft);
    background-color: var(--surface-1);
}

.oficio-form-card {
    background: linear-gradient(180deg, #f2f7fc 0%, #e7eef7 100%);
}

.oficio-form-card .card-header {
    background: linear-gradient(180deg, #e9f1fb 0%, #dde8f5 100%);
}

.oficio-form-card .card-body .form-control,
.oficio-form-card .card-body .form-select {
    background-color: #f7faff;
    border-color: #c2d1e6;
}

.oficio-form-card .card-body .form-control:focus,
.oficio-form-card .card-body .form-select:focus {
    background-color: #ffffff;
    border-color: #9fc0de;
    box-shadow: 0 0 0 0.2rem rgba(42, 123, 176, 0.2);
}

html[data-theme="dark"] .oficio-form-card .card-body .form-control,
html[data-theme="dark"] .oficio-form-card .card-body .form-select {
    background-color: #0f1a28;
    border-color: #203149;
    color: var(--text-900);
}

html[data-theme="dark"] .oficio-form-card .card-body .form-control::placeholder {
    color: #9fb0c6;
}

html[data-theme="dark"] .oficio-form-card .card-body .form-control:focus,
html[data-theme="dark"] .oficio-form-card .card-body .form-select:focus {
    background-color: #0f1a28;
    border-color: #2a7bb0;
    box-shadow: 0 0 0 0.2rem rgba(42, 123, 176, 0.25);
}

html[data-theme="dark"] .oficio-form-card {
    background: linear-gradient(180deg, #121d2b 0%, #0f1a28 100%);
}

.card-header {
    border-bottom: 1px solid var(--border-200);
    background: linear-gradient(180deg, #f8fbff 0%, #f1f6fb 100%);
}

.login-header {
    background: linear-gradient(120deg, var(--brand-900), var(--brand-700));
    color: #ffffff;
}

html[data-theme="dark"] .login-header {
    background: linear-gradient(120deg, var(--brand-950), var(--brand-700));
    color: #ffffff;
}

.login-header h4,
.login-header p {
    color: #ffffff;
}

html[data-theme="dark"] .card-header {
    background: linear-gradient(180deg, #182433 0%, #141f2e 100%);
}

.btn {
    border-radius: 12px;
    font-weight: 600;
}

.btn-primary {
    background: linear-gradient(120deg, var(--brand-700), var(--brand-500));
    border-color: transparent;
    box-shadow: 0 10px 18px rgba(31, 85, 120, 0.25);
}

.btn-primary:hover,
.btn-primary:focus {
    background: linear-gradient(120deg, var(--brand-800), var(--brand-700));
    border-color: transparent;
}

.btn-outline-secondary {
    border-color: var(--border-200);
    color: var(--text-700);
    background-color: #f7f9fc;
}

html[data-theme="dark"] .btn-outline-secondary {
    background-color: #101a28;
}

.btn-outline-secondary:hover {
    background-color: #edf2f7;
    border-color: #d1dbe8;
    color: var(--text-900);
}

.dropdown-menu {
    border-radius: 14px;
    border: 1px solid var(--border-200);
    box-shadow: 0 20px 40px rgba(8, 31, 53, 0.18);
}

html[data-theme="dark"] .dropdown-menu {
    background-color: var(--surface-1);
}

html[data-theme="dark"] .dropdown-item {
    color: var(--text-700);
}

html[data-theme="dark"] .dropdown-item:hover,
html[data-theme="dark"] .dropdown-item:focus {
    background-color: #1a2738;
    color: var(--text-900);
}

html[data-theme="dark"] .card,
html[data-theme="dark"] .card-body,
html[data-theme="dark"] .card-title,
html[data-theme="dark"] .card-text,
html[data-theme="dark"] .list-group-item,
html[data-theme="dark"] .text-muted,
html[data-theme="dark"] .small-muted {
    color: var(--text-900);
}

html[data-theme="dark"] .text-muted,
html[data-theme="dark"] .small-muted {
    color: var(--text-600) !important;
}

html[data-theme="dark"] .card-text {
    color: var(--text-700);
}

html[data-theme="dark"] .list-group-item {
    background-color: transparent;
    border-color: var(--border-200);
}

html[data-theme="dark"] .home-card .card-body {
    color: var(--text-900);
}

/* Estados y acciones con paleta institucional moderna */
.badge {
    border-radius: 999px;
    font-weight: 600;
    letter-spacing: 0.2px;
}

.badge.bg-secondary {
    background-color: #2c4a61 !important;
}

.badge.bg-warning {
    background-color: #f0b429 !important;
    color: #1b1b1b !important;
}

.badge.bg-primary {
    background-color: #2a7bb0 !important;
}

.badge.bg-success {
    background-color: #1f9d8a !important;
}

.badge.bg-danger {
    background-color: #d64545 !important;
}

.badge.bg-violet {
    background-color: #6a5acd !important;
    color: #ffffff !important;
}

.btn-warning {
    background: linear-gradient(120deg, #f6c74a, #e6a61f);
    border-color: transparent;
    color: #1b1b1b;
}

.btn-warning:hover,
.btn-warning:focus {
    background: linear-gradient(120deg, #eab836, #d89512);
    color: #1b1b1b;
}

.btn-danger {
    background: linear-gradient(120deg, #de4a4a, #c93636);
    border-color: transparent;
}

.btn-danger:hover,
.btn-danger:focus {
    background: linear-gradient(120deg, #d13d3d, #b62c2c);
}

.btn-outline-primary {
    border-color: #2a7bb0;
    color: #2a7bb0;
}

.btn-outline-primary:hover,
.btn-outline-primary:focus {
    background-color: #2a7bb0;
    color: #ffffff;
}

.table thead th {
    background-color: #f1f5fb;
    color: var(--text-700);
    border-bottom: 1px solid var(--border-200);
}

html[data-theme="dark"] .table thead th {
    background-color: #182433;
    color: var(--text-700);
}

html[data-theme="dark"] .table {
    color: var(--text-900);
}

.alert {
    border-radius: 14px;
}

html[data-theme="dark"] .alert {
    background-color: #131f2f;
    border: 1px solid #22344a;
    color: var(--text-900);
    box-shadow: 0 12px 26px rgba(0, 0, 0, 0.35);
}

html[data-theme="dark"] .alert-success {
    background-color: rgba(31, 157, 138, 0.16);
    border-color: rgba(31, 157, 138, 0.45);
    color: #d7f4ef;
}

html[data-theme="dark"] .alert-danger {
    background-color: rgba(214, 69, 69, 0.18);
    border-color: rgba(214, 69, 69, 0.5);
    color: #ffd6d6;
}

html[data-theme="dark"] .alert-warning {
    background-color: rgba(240, 180, 41, 0.18);
    border-color: rgba(240, 180, 41, 0.55);
    color: #ffe7b3;
}

html[data-theme="dark"] .alert-info {
    background-color: rgba(42, 123, 176, 0.18);
    border-color: rgba(42, 123, 176, 0.5);
    color: #d9ecff;
}

html[data-theme="dark"] .alert-secondary {
    background-color: rgba(148, 163, 184, 0.16);
    border-color: rgba(148, 163, 184, 0.4);
    color: #e2e8f0;
}

footer {
    border-top: 1px solid var(--border-200);
    background-color: rgba(255, 255, 255, 0.8);
}

html[data-theme="dark"] footer {
    background-color: rgba(15, 23, 42, 0.9);
}

html[data-theme="dark"] .bg-light {
    background-color: rgba(15, 23, 42, 0.9) !important;
    color: var(--text-700);
}

html[data-theme="dark"] footer .text-muted {
    color: var(--text-600) !important;
}

html[data-theme="dark"] body {
    background-color: #0b1420;
}

html[data-theme="dark"] .form-control,
html[data-theme="dark"] .form-select {
    background-color: #0f1a28;
    border-color: var(--border-200);
    color: var(--text-900);
}

html[data-theme="dark"] .form-control-plaintext {
    color: var(--text-900);
}


html[data-theme="dark"] input[type="file"] {
    color: var(--text-900);
}

html[data-theme="dark"] input[type="file"]::file-selector-button {
    background-color: #1f5578;
    color: #ffffff;
    border: 0;
}

html[data-theme="dark"] input[type="file"]::file-selector-button:hover {
    background-color: #1f5578;
    color: #ffffff;
}


html[data-theme="dark"] .form-control::placeholder {
    color: var(--text-600);
}

html[data-theme="dark"] label,
html[data-theme="dark"] .form-label,
html[data-theme="dark"] .form-check-label,
html[data-theme="dark"] .form-text {
    color: var(--text-900);
}

html[data-theme="dark"] .table {
    background-color: transparent;
    color: var(--text-900);
}

html[data-theme="dark"] .table > :not(caption) > * > * {
    background-color: #121d2b;
    border-color: var(--border-200);
    color: var(--text-900);
}

html[data-theme="dark"] .table-striped > tbody > tr:nth-of-type(odd) > * {
    background-color: #0f1a28;
}

html[data-theme="dark"] .table-hover > tbody > tr:hover > * {
    background-color: #162336;
}

html[data-theme="dark"] .form-control:focus,
html[data-theme="dark"] .form-select:focus {
    background-color: #0f1a28;
    color: var(--text-900);
    border-color: #2a7bb0;
    box-shadow: 0 0 0 0.2rem rgba(42, 123, 176, 0.25);
}

html[data-theme="dark"] .select2-container--bootstrap-5 .select2-selection {
    background-color: #0f1a28;
    border-color: var(--border-200);
    color: var(--text-900);
}

html[data-theme="dark"] .select2-container--bootstrap-5 .select2-selection--single .select2-selection__rendered,
html[data-theme="dark"] .select2-container--bootstrap-5 .select2-selection--multiple .select2-selection__rendered {
    color: var(--text-900);
}

html[data-theme="dark"] .select2-container--bootstrap-5 .select2-selection--multiple .select2-selection__choice {
    background-color: #182433;
    color: var(--text-900);
    border-color: var(--border-200);
}

html[data-theme="dark"] .select2-container--bootstrap-5 .select2-dropdown {
    background-color: #121d2b;
    border-color: var(--border-200);
    color: var(--text-900);
}

html[data-theme="dark"] .select2-container--bootstrap-5 .select2-results__option--highlighted {
    background-color: #1a2738;
    color: var(--text-900);
}

html[data-theme="dark"] .select2-container--bootstrap-5 .select2-search__field {
    background-color: #0f1a28;
    color: var(--text-900);
    border-color: var(--border-200);
}

html[data-theme="dark"] .pagination .page-link {
    background-color: #0f1a28;
    border-color: var(--border-200);
    color: var(--text-900);
}

html[data-theme="dark"] .pagination .page-item.active .page-link {
    background-color: #2a7bb0;
    border-color: #2a7bb0;
    color: #ffffff;
}

html[data-theme="dark"] .pagination .page-item.disabled .page-link {
    background-color: #121d2b;
    border-color: var(--border-200);
    color: var(--text-600);
}

html[data-theme="dark"] .modal-content,
html[data-theme="dark"] .modal-header,
html[data-theme="dark"] .modal-body,
html[data-theme="dark"] .modal-footer {
    background-color: #121d2b;
    color: var(--text-900);
    border-color: var(--border-200);
}

html[data-theme="dark"] .btn-close {
    filter: invert(1);
    opacity: 0.8;
}

html[data-theme="dark"] .input-group-text {
    background-color: #0f1a28;
    color: var(--text-700);
    border-color: var(--border-200);
}

html[data-theme="dark"] .modal-backdrop.show {
    opacity: 0.4;
}

html[data-theme="dark"] .modal-content {
    box-shadow: 0 20px 55px rgba(0, 0, 0, 0.45);
}

.welcome-hero {
    background: linear-gradient(135deg, rgba(16, 42, 67, 0.92), rgba(32, 178, 165, 0.85));
    color: #ffffff;
    border-radius: 20px;
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
}

.welcome-hero::after {
    content: "";
    position: absolute;
    inset: -40% -10% auto auto;
    width: 280px;
    height: 280px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.25), transparent 60%);
    opacity: 0.6;
    pointer-events: none;
}

.welcome-hero img {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 18px;
    padding: 10px;
}

.modal {
    padding-top: 6rem;
}

.modal-dialog {
    margin-top: 0;
}

.modal .table-responsive {
    max-height: 240px;
    overflow-y: auto;
}

.modal-backdrop {
    z-index: 1040;
}

.modal {
    z-index: 1050;
}

.modal-dialog,
.modal-content {
    position: relative;
    z-index: 1060;
    pointer-events: auto;
}

@media (max-width: 991.98px) {
    .modal {
        padding-top: 7rem;
    }
}

.home-card {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    animation: fadeUp 0.5s ease both;
}

.home-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 22px 45px rgba(10, 30, 50, 0.18);
}

.home-card:nth-child(1) { animation-delay: 0.05s; }
.home-card:nth-child(2) { animation-delay: 0.1s; }
.home-card:nth-child(3) { animation-delay: 0.15s; }
.home-card:nth-child(4) { animation-delay: 0.2s; }
.home-card:nth-child(5) { animation-delay: 0.25s; }

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}