/* CITSA - CSS Variables para tema consistente */
:root {
    /* Colores principales */
    --primary-color: #2c5282;
    --primary-light: #3182ce;
    --primary-dark: #2a4f7c;
    --secondary-color: #4a5568;

    /* Colores de estado */
    --success-color: #38a169;
    --warning-color: #d69e2e;
    --danger-color: #e53e3e;
    --info-color: #3182ce;

    /* Colores de fondo */
    --bg-color: #f7fafc;
    --bg-light: #ffffff;
    --bg-dark: #1a202c;
    --bg-gray: #edf2f7;

    /* Sombras */
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-hover: 0 8px 25px -8px rgba(0, 0, 0, 0.25);

    /* Bordes */
    --border-radius: 0.75rem;
    --border-radius-sm: 0.5rem;
    --border-radius-lg: 1rem;

    /* Tipografía */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;

    /* Transiciones */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease-in-out;
}

/* Reset y configuración base */
* {
    box-sizing: border-box;
}

html {
    line-height: 1.15;
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: #2d3748;
    background-color: var(--bg-color);
    margin: 0;
    padding: 0;
}

/* Tipografía mejorada */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 1rem;
    color: #1a202c;
}

.h2 {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--primary-dark);
}

/* Cards con estilo moderno */
.card {
    border: none !important;
    border-radius: var(--border-radius) !important;
    box-shadow: var(--shadow) !important;
    transition: var(--transition) !important;
    background: var(--bg-light);
    overflow: hidden;
}

.card:hover {
    box-shadow: var(--shadow-md) !important;
    transform: translateY(-1px);
}

.card-body {
    padding: 1.5rem !important;
}

.card-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%) !important;
    border: none !important;
    color: white !important;
    padding: 1rem 1.5rem !important;
    font-weight: 600;
}

/* Botones modernos */
.btn {
    border-radius: var(--border-radius-sm) !important;
    font-weight: 500 !important;
    padding: 0.625rem 1.25rem !important;
    transition: var(--transition) !important;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

/* Botones sólidos sin borde */
.btn-primary,
.btn-secondary,
.btn-success,
.btn-warning,
.btn-danger,
.btn-info,
.btn-light,
.btn-dark {
    border: none !important;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%) !important;
    color: white !important;
    box-shadow: var(--shadow) !important;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%) !important;
    box-shadow: var(--shadow-md) !important;
    transform: translateY(-1px);
    color: white !important;
}

.btn-secondary {
    background: linear-gradient(135deg, var(--secondary-color) 0%, #6b7280 100%) !important;
    color: white !important;
    box-shadow: var(--shadow) !important;
}

.btn-secondary:hover {
    background: linear-gradient(135deg, #374151 0%, var(--secondary-color) 100%) !important;
    box-shadow: var(--shadow-md) !important;
    transform: translateY(-1px);
    color: white !important;
}

.btn-success {
    background: linear-gradient(135deg, var(--success-color) 0%, #48bb78 100%) !important;
    color: white !important;
}

.btn-warning {
    background: linear-gradient(135deg, var(--warning-color) 0%, #ecc94b 100%) !important;
    color: white !important;
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger-color) 0%, #f56565 100%) !important;
    color: white !important;
}

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

.btn-outline-primary:hover {
    background: var(--primary-color) !important;
    color: white !important;
    box-shadow: var(--shadow-md) !important;
    transform: translateY(-1px);
}

.btn-outline-secondary {
    border: 2px solid var(--secondary-color) !important;
    color: var(--secondary-color) !important;
    background: transparent !important;
}

.btn-outline-secondary:hover {
    background: var(--secondary-color) !important;
    color: white !important;
    box-shadow: var(--shadow-md) !important;
    transform: translateY(-1px);
}

.btn-outline-danger,
.btn-group .btn-outline-danger,
.btn-group-sm .btn-outline-danger,
button.btn.btn-outline-danger {
    border: 2px solid var(--danger-color) !important;
    border-width: 2px !important;
    border-style: solid !important;
    border-color: var(--danger-color) !important;
    color: var(--danger-color) !important;
    background: transparent !important;
}

.btn-outline-danger:hover,
.btn-group .btn-outline-danger:hover,
button.btn.btn-outline-danger:hover {
    background: var(--danger-color) !important;
    color: white !important;
    box-shadow: var(--shadow-md) !important;
    transform: translateY(-1px);
}

.btn-outline-warning {
    border: 2px solid var(--warning-color) !important;
    color: var(--warning-color) !important;
    background: transparent !important;
}

.btn-outline-warning:hover {
    background: var(--warning-color) !important;
    color: #1a202c !important;
    box-shadow: var(--shadow-md) !important;
    transform: translateY(-1px);
}

.btn-outline-success {
    border: 2px solid var(--success-color) !important;
    color: var(--success-color) !important;
    background: transparent !important;
}

.btn-outline-success:hover {
    background: var(--success-color) !important;
    color: white !important;
    box-shadow: var(--shadow-md) !important;
    transform: translateY(-1px);
}

.btn-outline-info,
.btn-group .btn-outline-info,
.btn-group-sm .btn-outline-info,
button.btn.btn-outline-info {
    border: 2px solid var(--info-color) !important;
    border-width: 2px !important;
    border-style: solid !important;
    border-color: var(--info-color) !important;
    color: var(--info-color) !important;
    background: transparent !important;
}

.btn-outline-info:hover,
.btn-group .btn-outline-info:hover,
button.btn.btn-outline-info:hover {
    background: var(--info-color) !important;
    color: white !important;
    box-shadow: var(--shadow-md) !important;
    transform: translateY(-1px);
}

.btn-sm {
    padding: 0.375rem 0.75rem !important;
    font-size: var(--font-size-sm) !important;
}

/* Formularios modernos */
.form-control {
    border: 2px solid #e2e8f0 !important;
    border-radius: var(--border-radius-sm) !important;
    padding: 0.75rem 1rem !important;
    transition: var(--transition) !important;
    font-size: var(--font-size-base);
    background-color: var(--bg-light);
}

.form-control:focus {
    border-color: var(--primary-color) !important;
    box-shadow: 0 0 0 3px rgba(44, 82, 130, 0.1) !important;
    outline: none !important;
}

.form-select {
    border: 2px solid #e2e8f0 !important;
    border-radius: var(--border-radius-sm) !important;
    padding: 0.75rem 1rem !important;
    transition: var(--transition) !important;
    background-color: var(--bg-light);
}

.form-select:focus {
    border-color: var(--primary-color) !important;
    box-shadow: 0 0 0 3px rgba(44, 82, 130, 0.1) !important;
    outline: none !important;
}

.form-label {
    font-weight: 600 !important;
    color: #374151 !important;
    margin-bottom: 0.5rem !important;
}

/* Tablas modernas */
.table {
    border-collapse: separate !important;
    border-spacing: 0 !important;
}

.table thead th {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%) !important;
    border: none !important;
    font-weight: 600 !important;
    color: #374151 !important;
    padding: 1rem !important;
    text-transform: uppercase;
    font-size: var(--font-size-sm);
    letter-spacing: 0.05em;
}

.table tbody tr {
    transition: var(--transition) !important;
    border: none !important;
}

.table tbody tr:hover {
    background-color: #f8f9fa !important;
    transform: scale(1.01);
}

.table tbody td {
    padding: 1rem !important;
    border-color: #f1f5f9 !important;
    vertical-align: middle !important;
}

.table-responsive {
    border-radius: var(--border-radius) !important;
    overflow: hidden;
}

/* Badges modernos */
.badge {
    font-weight: 500 !important;
    padding: 0.5rem 0.875rem !important;
    border-radius: 9999px !important;
    font-size: 0.75rem !important;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

.bg-success {
    background: linear-gradient(135deg, var(--success-color), #48bb78) !important;
}

.bg-warning {
    background: linear-gradient(135deg, var(--warning-color), #ecc94b) !important;
}

.bg-danger {
    background: linear-gradient(135deg, var(--danger-color), #f56565) !important;
}

.bg-info {
    background: linear-gradient(135deg, var(--info-color), #63b3ed) !important;
}

.bg-secondary {
    background: linear-gradient(135deg, var(--secondary-color), #6b7280) !important;
}

/* Navegación */
.navbar {
    box-shadow: var(--shadow) !important;
    border: none !important;
    padding: 1rem 0 !important;
}

.navbar-brand {
    font-weight: 700 !important;
    font-size: var(--font-size-xl) !important;
    color: var(--primary-dark) !important;
}

.nav-link {
    font-weight: 500 !important;
    transition: var(--transition) !important;
    border-radius: var(--border-radius-sm) !important;
    padding: 0.5rem 1rem !important;
    margin: 0 0.25rem !important;
}

.nav-link:hover {
    background-color: rgba(44, 82, 130, 0.1) !important;
    transform: translateY(-1px);
}

.dropdown-menu {
    border: none !important;
    box-shadow: var(--shadow-lg) !important;
    border-radius: var(--border-radius) !important;
    padding: 0.5rem !important;
    margin-top: 0.5rem !important;
}

.dropdown-item {
    border-radius: var(--border-radius-sm) !important;
    padding: 0.75rem 1rem !important;
    margin: 0.125rem 0 !important;
    transition: var(--transition) !important;
    font-weight: 500;
}

.dropdown-item:hover {
    background-color: rgba(44, 82, 130, 0.1) !important;
    color: var(--primary-dark) !important;
    transform: translateX(4px);
}

/* Sidebar */
.sidebar {
    background: linear-gradient(180deg, #f8f9fa 0%, #e9ecef 100%) !important;
    box-shadow: var(--shadow) !important;
}

.sidebar .nav-link {
    color: #374151 !important;
    margin: 0.25rem 0 !important;
    border-radius: var(--border-radius-sm) !important;
}

.sidebar .nav-link:hover {
    background-color: rgba(44, 82, 130, 0.1) !important;
    color: var(--primary-dark) !important;
    transform: translateX(4px);
}

.sidebar .nav-link.active {
    background-color: var(--primary-color) !important;
    color: white !important;
}

/* Paginación */
.pagination {
    gap: 0.25rem;
}

.page-link {
    border: none !important;
    border-radius: var(--border-radius-sm) !important;
    padding: 0.75rem 1rem !important;
    margin: 0 !important;
    transition: var(--transition) !important;
    color: var(--primary-color) !important;
    font-weight: 500;
}

.page-link:hover {
    background-color: rgba(44, 82, 130, 0.1) !important;
    color: var(--primary-dark) !important;
    transform: translateY(-1px);
}

.page-item.active .page-link {
    background-color: var(--primary-color) !important;
    color: white !important;
    box-shadow: var(--shadow) !important;
}

/* Alertas */
.alert {
    border: none !important;
    border-radius: var(--border-radius) !important;
    padding: 1rem 1.5rem !important;
    font-weight: 500;
    box-shadow: var(--shadow) !important;
}

/* Modales */
.modal-content {
    border: none !important;
    border-radius: var(--border-radius) !important;
    box-shadow: var(--shadow-lg) !important;
}

.modal-header {
    border-bottom: 2px solid #f1f5f9 !important;
    padding: 1.5rem !important;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%) !important;
}

.modal-body {
    padding: 1.5rem !important;
}

.modal-footer {
    border-top: 2px solid #f1f5f9 !important;
    padding: 1.5rem !important;
    background-color: #f8f9fa !important;
}

.modal-title {
    font-weight: 600 !important;
    color: var(--primary-dark) !important;
}

/* Iconos */
.bi {
    vertical-align: -0.125em;
}

/* Utilidades */
.text-muted {
    color: #6b7280 !important;
}

.border-bottom {
    border-bottom: 2px solid #e5e7eb !important;
}

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

.fade-in {
    animation: fadeIn 0.5s ease-out;
}

/* Estados de carga */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* Responsive mejoras */
@media (max-width: 768px) {
    .card {
        margin: 0.5rem !important;
    }

    .table-responsive {
        font-size: var(--font-size-sm);
    }

    .btn {
        padding: 0.5rem 1rem !important;
    }
}

/* Dark mode support (preparación futura) */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-color: #1a202c;
        --bg-light: #2d3748;
        --text-color: #f7fafc;
    }
}

/* Print styles */
@media print {
    .btn,
    .sidebar,
    .navbar {
        display: none !important;
    }

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

/* Template search and selection */
.template-search-container {
    position: relative;
}

.template-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border: 1px solid #ced4da;
    border-top: none;
    max-height: 250px;
    overflow-y: auto;
    z-index: 1000;
    display: none;
    border-radius: 0 0 var(--border-radius-sm) var(--border-radius-sm);
}

.template-dropdown-item {
    padding: 10px 12px;
    cursor: pointer;
    border-bottom: 1px solid #f1f3f4;
    transition: var(--transition-fast);
}

.template-dropdown-item:hover {
    background-color: #f8f9fa;
}

.selected-template-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px 8px 16px;
    background: #e7f3ff;
    border-radius: 20px;
    margin-right: 8px;
    margin-bottom: 8px;
    transition: var(--transition-fast);
}

.selected-template-badge:hover {
    background: #d0e7ff;
}

.selected-template-badge .template-name {
    font-weight: 500;
    color: #0a58ca;
    font-size: 0.9em;
}

.selected-template-badge .template-info {
    font-size: 0.75em;
    color: #6c757d;
    margin-left: 4px;
}

.selected-template-badge .btn-remove {
    background: none;
    border: none;
    color: #6c757d;
    cursor: pointer;
    padding: 0;
    margin: 0;
    width: 16px;
    height: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
    font-size: 14px;
    line-height: 1;
    outline: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

.selected-template-badge .btn-remove:hover {
    color: #dc3545;
    transform: scale(1.2);
}

.selected-template-badge .btn-remove:active {
    transform: scale(1);
}