/* ============================================
   CUSTOM CSS - Paleta Azul Corporativo
   Instituto Alvarenga
   ============================================ */

/* === VARIABLES DE COLORES === */
:root {
    --primary-900: #0f172a;
    --primary-800: #1e3a5f;
    --primary-700: #1e40af;
    --primary-600: #2563eb;
    --primary-500: #3b82f6;
    --primary-400: #60a5fa;
    --primary-300: #93c5fd;
    --primary-200: #bfdbfe;
    --primary-100: #dbeafe;

    --gray-900: #1e293b;
    --gray-800: #334155;
    --gray-700: #475569;
    --gray-600: #64748b;
    --gray-500: #94a3b8;
    --gray-400: #cbd5e1;
    --gray-300: #e2e8f0;
    --gray-200: #f1f5f9;
    --gray-100: #f8fafc;

    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --info: #06b6d4;

    --sidebar-bg: #0f172a;
    --sidebar-hover: #1e3a5f;
    --card-border: #e2e8f0;
}

/* === RESET Y BASE === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', 'Source Sans Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--gray-200);
    color: var(--gray-900);
    line-height: 1.6;
}

/* === SIDEBAR === */
[class*="sidebar-dark-"] {
    background-color: var(--sidebar-bg) !important;
}

.main-sidebar {
    box-shadow: 4px 0 20px rgba(0, 0, 0, 0.1);
}

.sidebar {
    background-color: var(--sidebar-bg);
}

.sidebar-dark-primary .sidebar a {
    color: var(--gray-400);
    transition: all 0.2s ease;
    border-radius: 8px;
    margin: 2px 8px;
    padding: 10px 12px;
}

.sidebar-dark-primary .sidebar a:hover {
    background-color: var(--sidebar-hover);
    color: #fff;
    padding-left: 16px;
}

.sidebar-dark-primary .sidebar a.active {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
    color: #fff;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.sidebar-dark-primary .nav-sidebar > .nav-item > .nav-link.active {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
    color: #fff;
}

/* User panel en sidebar */
.user-panel {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: 16px !important;
    margin: 0 !important;
}

.user-panel .info h6 {
    color: #fff !important;
    font-weight: 600;
    font-size: 0.9rem;
}

.user-panel .img-circle {
    border: 3px solid var(--primary-500);
    width: 35px !important;
    height: 35px !important;
    object-fit: cover;
}

/* Sidebar colapsada - imagen del usuario */
.sidebar-collapse .user-panel {
    display: flex !important;
    justify-content: center;
    padding: 12px 0 !important;
    margin: 0 !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-collapse .user-panel .image {
    display: flex !important;
    justify-content: center;
}

.sidebar-collapse .user-panel .image img {
    width: 35px !important;
    height: 35px !important;
}

.sidebar-collapse .user-panel .info {
    display: none !important;
}

/* === NAVBAR === */
.main-header.navbar {
    background-color: #fff;
    border-bottom: 1px solid var(--card-border);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    padding: 0 1rem;
}

.main-header.navbar .nav-link {
    color: var(--gray-700) !important;
    border-radius: 8px;
    padding: 8px 12px;
    transition: all 0.2s ease;
}

.main-header.navbar .nav-link:hover {
    background-color: var(--primary-100);
    color: var(--primary-600) !important;
}

/* === CONTENT WRAPPER === */
.content-wrapper {
    background-color: var(--gray-200);
    min-height: calc(100vh - 57px);
}

/* === CONTENT HEADER === */
.content-header {
    padding: 20px 24px 10px;
}

.content-header h2 {
    font-size: 1.5rem !important;
    font-weight: 700 !important;
    color: var(--gray-900);
    letter-spacing: -0.025em;
}

.breadcrumb {
    background: transparent;
    padding: 0;
    margin: 0;
}

.breadcrumb-item a {
    color: var(--primary-600);
    text-decoration: none;
    transition: color 0.2s;
}

.breadcrumb-item a:hover {
    color: var(--primary-700);
}

.breadcrumb-item.active {
    color: var(--gray-500);
}

/* === CARDS === */
.card {
    border: 1px solid var(--card-border);
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
    transition: all 0.3s ease;
    background: #fff;
    overflow: hidden;
}

.card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.card-header {
    background-color: #fff;
    border-bottom: 1px solid var(--card-border);
    padding: 16px 20px !important;
    border-radius: 12px 12px 0 0 !important;
}

.card-header .card-title {
    font-weight: 600;
    color: var(--gray-900);
    font-size: 0.95rem;
    margin: 0;
}

.card-gray {
    border: 1px solid var(--card-border);
}

.card-gray:not(.card-outline) > .card-header {
    background: linear-gradient(135deg, var(--primary-800), var(--primary-900)) !important;
}

.card-gray:not(.card-outline) > .card-header .card-title {
    color: #fff;
}

.card-gray:not(.card-outline) > .card-header .btn-tool {
    color: rgba(255, 255, 255, 0.7);
}

.card-gray:not(.card-outline) > .card-header .btn-tool:hover {
    color: #fff;
}

/* === BOTONES === */
.btn {
    border-radius: 8px !important;
    font-weight: 500;
    transition: all 0.2s ease;
    letter-spacing: 0.01em;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
    border-color: var(--primary-600);
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.25);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.35);
    transform: translateY(-1px);
}

.btn-success {
    background: linear-gradient(135deg, #059669, #047857);
    border-color: #059669;
}

.btn-success:hover {
    background: linear-gradient(135deg, #10b981, #059669);
    transform: translateY(-1px);
}

.btn-danger {
    background: linear-gradient(135deg, #dc2626, #b91c1c);
    border-color: #dc2626;
}

.btn-danger:hover {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    transform: translateY(-1px);
}

.btn-warning {
    background: linear-gradient(135deg, #d97706, #b45309);
    border-color: #d97706;
}

.btn-info {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-800)) !important;
    border-color: var(--primary-600) !important;
    color: #fff !important;
}

.btn-info:hover {
    background: linear-gradient(135deg, var(--primary-500), var(--primary-700)) !important;
}

/* === FORMULARIOS === */
.form-control,
.form-select {
    border: 1px solid var(--gray-300);
    border-radius: 8px;
    padding: 8px 12px;
    font-size: 0.875rem;
    transition: all 0.2s ease;
    background-color: #fff;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
    outline: none;
}

.form-control-sm {
    padding: 6px 12px;
    font-size: 0.8125rem;
    border-radius: 8px;
}

.form-floating > label {
    color: var(--gray-600);
}

.form-floating > .form-control:focus ~ label,
.form-floating > .form-control:not(:placeholder-shown) ~ label {
    color: var(--primary-600);
}

.input-group-text {
    background-color: var(--primary-800);
    color: #fff;
    border: none;
    border-radius: 8px 0 0 8px;
    font-size: 0.875rem;
    padding: 8px 12px;
}

.input-group > .input-group-append > .btn {
    border-radius: 0 8px 8px 0;
}

/* Select2 personalizado */
.select2-container--default .select2-selection--single {
    height: calc(1.9rem + 2px) !important;
    border: 1px solid var(--gray-300) !important;
    border-radius: 8px !important;
    transition: all 0.2s ease;
}

.select2-container--default .select2-selection--single:focus,
.select2-container--default.select2-container--focus .select2-selection--single {
    border-color: var(--primary-500) !important;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.select2-container--default .select2-selection--single .select2-selection__rendered {
    margin-top: -1px;
    color: var(--gray-800);
}

/* === TABLAS === */
.table {
    border-collapse: separate;
    border-spacing: 0;
}

.table thead th {
    background-color: var(--gray-100);
    color: var(--gray-700);
    font-weight: 600;
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 12px 16px;
    border-bottom: 2px solid var(--card-border);
}

.table tbody td {
    padding: 10px 16px;
    font-size: 0.875rem;
    color: var(--gray-800);
    border-bottom: 1px solid var(--gray-200);
    vertical-align: middle;
}

.table tbody tr:hover {
    background-color: var(--primary-100);
}

.table-striped tbody tr:nth-of-type(odd) {
    background-color: rgba(241, 245, 249, 0.5);
}

.table-bordered {
    border: 1px solid var(--card-border);
}

.table-bordered td,
.table-bordered th {
    border: 1px solid var(--card-border);
}

/* DataTables personalizado */
.dataTables_wrapper .dataTables_paginate .paginate_button.current,
.dataTables_wrapper .dataTables_paginate .paginate_button.current:hover {
    color: #fff !important;
    background: var(--primary-600);
    border-radius: 8px;
    border: none;
}

.dataTables_wrapper .dataTables_paginate .paginate_button {
    padding: 6px 14px !important;
    border-radius: 8px !important;
    margin: 0 2px;
    transition: all 0.2s ease;
}

.dataTables_wrapper .dataTables_paginate .paginate_button:hover {
    background: var(--primary-100);
    color: var(--primary-700) !important;
    border: none;
}

.dataTables_wrapper .dataTables_filter input {
    border: 1px solid var(--gray-300);
    border-radius: 8px;
    padding: 6px 12px;
    transition: all 0.2s ease;
}

.dataTables_wrapper .dataTables_filter input:focus {
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
    outline: none;
}

.dataTables_wrapper .dataTables_length select {
    border: 1px solid var(--gray-300);
    border-radius: 8px;
    padding: 4px 8px;
}

div.dataTables_wrapper div.dataTables_length select,
div.dataTables_wrapper div.dataTables_filter select {
    border: 1px solid var(--gray-300);
    border-radius: 8px;
}

/* Buttons DataTables */
.dt-button {
    padding: 8px 16px !important;
    border-radius: 8px !important;
    font-weight: 500;
    font-size: 0.8125rem;
    transition: all 0.2s ease;
    border: none !important;
}

.buttons-excel {
    background-color: var(--success) !important;
    color: white !important;
}

.buttons-excel:hover {
    background-color: #059669 !important;
    transform: translateY(-1px);
}

.buttons-print {
    background-color: var(--warning) !important;
    color: white !important;
}

.buttons-print:hover {
    background-color: #d97706 !important;
    transform: translateY(-1px);
}

.addNewRecord {
    background-color: var(--primary-600) !important;
    color: white !important;
}

.addNewRecord:hover {
    background-color: var(--primary-500) !important;
    transform: translateY(-1px);
}

.buttons-page-length {
    background-color: var(--gray-600) !important;
    color: white !important;
}

/* TableEdit */
.tabledit-toolbar {
    width: 100px !important;
    text-align: center;
}

.tabledit-toolbar .btn {
    padding: 4px 8px;
    font-size: 0.875rem;
}

/* === BADGES Y ETIQUETAS === */
.bg-success {
    background: linear-gradient(135deg, #059669, #047857) !important;
    color: white;
}

.bg-danger {
    background: linear-gradient(135deg, #dc2626, #b91c1c) !important;
    color: white;
}

.bg-warning {
    background: linear-gradient(135deg, #d97706, #b45309) !important;
    color: white;
}

.bg-info {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700)) !important;
    color: white;
}

.rounded-pill {
    font-size: 0.75rem;
    padding: 4px 12px;
    font-weight: 600;
    letter-spacing: 0.025em;
}

/* === SMALL BOX (Dashboard) === */
.small-box {
    border: none !important;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
    overflow: hidden;
}

.small-box:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.small-box .inner {
    padding: 20px;
}

.small-box h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.small-box p {
    font-size: 0.875rem;
    opacity: 0.9;
}

.small-box .icon {
    color: rgba(255, 255, 255, 0.15);
    font-size: 4rem;
}

.small-box .small-box-footer {
    background-color: rgba(0, 0, 0, 0.1);
    padding: 8px 0;
    font-size: 0.8125rem;
    transition: all 0.2s ease;
}

.small-box .small-box-footer:hover {
    background-color: rgba(0, 0, 0, 0.15);
}

/* === MODALES === */
.modal-content {
    border: none;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    overflow: hidden;
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--card-border);
}

.modal-header .modal-title {
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--gray-900);
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--card-border);
}

/* Header del modal con color */
.my-bg {
    background: linear-gradient(135deg, var(--primary-800), var(--primary-900)) !important;
}

/* === FOOTER === */
.main-footer {
    background-color: #fff;
    border-top: 1px solid var(--card-border);
    padding: 12px 24px;
    color: var(--gray-600);
    font-size: 0.8125rem;
}

.main-footer strong {
    color: var(--gray-700);
}

.main-footer a {
    color: var(--primary-600);
    text-decoration: none;
    transition: color 0.2s;
}

.main-footer a:hover {
    color: var(--primary-700);
}

/* === CLASES UTILITARIAS === */
.my-bg {
    background: linear-gradient(135deg, var(--primary-800), var(--primary-900)) !important;
}

.my-color {
    color: var(--primary-600) !important;
}

.my-text-color {
    color: var(--gray-700) !important;
}

.bg-main {
    background: linear-gradient(135deg, var(--primary-800), var(--primary-900)) !important;
    color: white !important;
}

.text-primary-custom {
    color: var(--primary-600) !important;
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-400));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Sombras utilitarias */
.shadow-sm {
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.shadow {
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
}

.shadow-md {
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.07), 0 2px 4px rgba(0, 0, 0, 0.06);
}

.shadow-lg {
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);
}

/* === NAV TABS === */
.nav-tabs .nav-item.show .nav-link,
.nav-tabs .nav-link.active {
    color: white !important;
    background-color: var(--primary-600) !important;
    border-color: var(--primary-600);
}

.nav-tabs .nav-link {
    color: var(--gray-600);
    border: 1px solid transparent;
    border-radius: 8px 8px 0 0;
    transition: all 0.2s ease;
}

.nav-tabs .nav-link:hover {
    color: var(--primary-600);
    border-color: var(--primary-200);
    background-color: var(--primary-50);
}

/* === CARD TABS === */
.card-primary.card-outline-tabs > .card-header a.active {
    background: linear-gradient(135deg, var(--primary-800), var(--primary-900)) !important;
    color: white !important;
    border-top: 3px solid var(--primary-500);
}

/* === READONLY / DISABLED === */
.readonly,
select[readonly] {
    pointer-events: none;
    touch-action: none;
    background-color: var(--gray-200) !important;
    opacity: 0.7;
}

/* === NUMERIC INPUTS === */
input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

input[type="number"] {
    -moz-appearance: textfield;
}

/* === SEARCH INPUT === */
input[type="search"] {
    border-radius: 8px !important;
    padding: 6px 12px !important;
    border: 1px solid var(--gray-300);
    transition: all 0.2s ease;
}

input[type="search"]:focus {
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
    outline: none;
}

/* === FILE INPUT === */
input[type="file"] {
    border-radius: 8px;
    padding-top: 4px;
    font-size: 0.8125rem;
}

/* === ZOOM === */
.zoom:hover {
    transform: scale(1.05);
    transition: transform 0.2s ease;
}

/* === LOADER === */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-900);
    transition: opacity 0.75s, visibility 0.75s;
    z-index: 9999;
}

.loading {
    position: fixed;
    z-index: 999;
    height: 2em;
    width: 2em;
    overflow: show;
    margin: auto;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
}

.loading:before {
    content: '';
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(rgba(15, 23, 42, 0.8), rgba(0, 0, 0, 0.8));
}

.loading:not(:required) {
    font: 0/0 a;
    color: transparent;
    text-shadow: none;
    background-color: transparent;
    border: 0;
}

.loading:not(:required):after {
    content: '';
    display: block;
    font-size: 10px;
    width: 1em;
    height: 1em;
    margin-top: -0.5em;
    animation: spinner 150ms infinite linear;
    border-radius: 0.5em;
    box-shadow: rgba(255, 255, 255, 0.75) 1.5em 0 0 0,
                rgba(255, 255, 255, 0.75) 1.1em 1.1em 0 0,
                rgba(255, 255, 255, 0.75) 0 1.5em 0 0,
                rgba(255, 255, 255, 0.75) -1.1em 1.1em 0 0,
                rgba(255, 255, 255, 0.75) -1.5em 0 0 0,
                rgba(255, 255, 255, 0.75) -1.1em -1.1em 0 0,
                rgba(255, 255, 255, 0.75) 0 -1.5em 0 0,
                rgba(255, 255, 255, 0.75) 1.1em -1.1em 0 0;
}

@keyframes spinner {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* === SCROLLBAR PERSONALIZADA === */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--gray-200);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: var(--gray-400);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-500);
}

/* === TOOLTIP PERSONALIZADO === */
.tooltip-inner {
    background-color: var(--primary-800);
    border-radius: 6px;
    padding: 6px 12px;
    font-size: 0.8125rem;
}

/* === DROPDOWN === */
.dropdown-menu {
    border: 1px solid var(--card-border);
    border-radius: 10px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.12);
    padding: 8px;
    overflow: overlay;
}

.dropdown-item {
    border-radius: 6px;
    padding: 8px 12px;
    font-size: 0.875rem;
    transition: all 0.15s ease;
}

.dropdown-item:hover {
    background-color: var(--primary-50);
    color: var(--primary-700);
}

.dropdown-toggle::after {
    margin: 0 !important;
}

/* === ICON BUTTONS === */
.icon-btn-success,
.icon-btn-danger,
.icon-btn-custom {
    width: 36px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: 6px;
    color: white;
    transition: all 0.2s ease;
    cursor: pointer;
}

.icon-btn-success {
    background-color: var(--success);
}

.icon-btn-danger {
    background-color: var(--danger);
}

.icon-btn-custom {
    background-color: var(--primary-800) !important;
}

.icon-btn-success:hover {
    background-color: #047857;
    transform: translateY(-1px);
}

.icon-btn-danger:hover {
    background-color: #b91c1c;
    transform: translateY(-1px);
}

.icon-btn-custom:hover {
    background-color: var(--primary-900) !important;
    transform: translateY(-1px);
}

/* === ANIMACIONES === */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
    animation: fadeIn 0.4s ease-out;
}

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(20px); }
    to { opacity: 1; transform: translateX(0); }
}

.animate-slide-in {
    animation: slideInRight 0.3s ease-out;
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
    .content-header h2 {
        font-size: 1.2rem !important;
    }

    .card-header {
        padding: 12px 16px !important;
    }

    .table thead th,
    .table tbody td {
        padding: 8px 10px;
        font-size: 0.8125rem;
    }

    .dt-button {
        padding: 6px 10px !important;
        font-size: 0.75rem !important;
    }
}

/* === PRINT STYLES === */
@media print {
    .main-sidebar,
    .main-header.navbar,
    .main-footer,
    .btn,
    .dt-buttons,
    .dataTables_filter {
        display: none !important;
    }

    .content-wrapper {
        margin: 0 !important;
    }

    .card {
        box-shadow: none !important;
        border: 1px solid #ddd !important;
    }
}