/* Variables de colores inspirados en Banco Nación Argentina */
:root {
    --bna-primary: #0066cc;
    --bna-secondary: #4db8e8;
    --bna-light: #e6f3ff;
    --bna-dark: #003d7a;
    --bna-accent: #00a3e0;
    --bna-white: #ffffff;
    --bna-gray-light: #f8f9fa;
    --bna-gray: #6c757d;
    --bna-text-dark: #212529;
    --shadow-soft: 0 2px 10px rgba(0, 102, 204, 0.1);
    --shadow-medium: 0 4px 20px rgba(0, 102, 204, 0.15);
    --bna-success: #28a745;
    --bna-warning: #ffc107;
    --bna-danger: #dc3545;
    --bna-info: #17a2b8;
}

html {
    font-size: 14px;
    scroll-behavior: smooth;
}

@media (min-width: 768px) {
    html {
        font-size: 16px;
    }
}

body {
    margin-bottom: 60px;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--bna-text-dark);
    background: linear-gradient(135deg, var(--bna-light) 0%, var(--bna-white) 100%);
    min-height: 100vh;
}

/* Header y Navegación */
.navbar {
    background: linear-gradient(135deg, var(--bna-primary) 0%, var(--bna-dark) 100%) !important;
    box-shadow: var(--shadow-medium);
    padding: 1rem 0;
    border: none !important;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--bna-white) !important;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
}

    .navbar-brand:hover {
        color: var(--bna-secondary) !important;
        transform: translateY(-2px);
    }

.navbar-nav .nav-link {
    color: var(--bna-white) !important;
    font-weight: 500;
    padding: 0.75rem 1.25rem !important;
    border-radius: 25px;
    margin: 0 0.25rem;
    transition: all 0.3s ease;
    position: relative;
}

    .navbar-nav .nav-link:hover,
    .navbar-nav .nav-link:focus {
        color: var(--bna-white) !important;
        background: rgba(255, 255, 255, 0.2);
        backdrop-filter: blur(10px);
        transform: translateY(-2px);
    }

    .navbar-nav .nav-link.active {
        background: var(--bna-secondary);
        color: var(--bna-white) !important;
    }

.navbar-toggler {
    border: 2px solid var(--bna-white);
    padding: 0.5rem;
}

    .navbar-toggler:focus {
        box-shadow: 0 0 0 0.2rem rgba(255, 255, 255, 0.25);
    }

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 1%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Contenido Principal */
.container {
    position: relative;
    z-index: 1;
}

main {
    background: var(--bna-white);
    border-radius: 15px;
    box-shadow: var(--shadow-soft);
    padding: 2rem;
    margin: 2rem 0;
    min-height: calc(100vh - 200px);
}

/* Footer */
.footer {
    background: linear-gradient(135deg, var(--bna-dark) 0%, var(--bna-primary) 100%);
    color: var(--bna-white);
    border: none !important;
    padding: 1.5rem 0;
    margin-top: 3rem;
}

    .footer a {
        color: var(--bna-secondary);
        text-decoration: none;
        transition: all 0.3s ease;
    }

        .footer a:hover {
            color: var(--bna-white);
            text-decoration: underline;
        }

/* Títulos de Página */
.page-header {
    background: linear-gradient(135deg, var(--bna-primary) 0%, var(--bna-secondary) 100%);
    margin: -2rem -2rem 2rem -2rem;
    padding: 2rem;
    border-radius: 15px 15px 0 0;
    color: var(--bna-white);
}

.page-title {
    color: var(--bna-white);
    font-weight: 700;
    margin-bottom: 0.5rem;
    font-size: 2rem;
}

.page-subtitle {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
    margin: 0;
}

/* Botones */
.btn {
    border-radius: 25px;
    font-weight: 600;
    padding: 0.75rem 2rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--bna-primary) 0%, var(--bna-accent) 100%);
    color: var(--bna-white);
}

    .btn-primary:hover {
        background: linear-gradient(135deg, var(--bna-dark) 0%, var(--bna-primary) 100%);
        transform: translateY(-2px);
        box-shadow: var(--shadow-medium);
        color: var(--bna-white);
    }

.btn-secondary {
    background: linear-gradient(135deg, var(--bna-secondary) 0%, var(--bna-accent) 100%);
    color: var(--bna-white);
}

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

    .btn-outline-primary:hover {
        background: var(--bna-primary);
        color: var(--bna-white);
        transform: translateY(-2px);
    }

.btn-danger {
    background: linear-gradient(135deg, var(--bna-danger) 0%, #c82333 100%);
    color: var(--bna-white);
}

    .btn-danger:hover {
        background: linear-gradient(135deg, #c82333 0%, #a71e2a 100%);
        transform: translateY(-2px);
        box-shadow: var(--shadow-medium);
        color: var(--bna-white);
    }

.btn-success {
    background: linear-gradient(135deg, var(--bna-success) 0%, #218838 100%);
    color: var(--bna-white);
}

    .btn-success:hover {
        background: linear-gradient(135deg, #218838 0%, #1e7e34 100%);
        transform: translateY(-2px);
        box-shadow: var(--shadow-medium);
        color: var(--bna-white);
    }

/* Action Buttons */
.action-buttons {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.btn-action {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    border-radius: 20px;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.btn-edit {
    background: var(--bna-info);
    color: white;
}

    .btn-edit:hover {
        background: #138496;
        color: white;
        transform: translateY(-1px);
    }

.btn-details {
    background: var(--bna-secondary);
    color: white;
}

    .btn-details:hover {
        background: var(--bna-accent);
        color: white;
        transform: translateY(-1px);
    }

.btn-delete {
    background: var(--bna-danger);
    color: white;
}

    .btn-delete:hover {
        background: #c82333;
        color: white;
        transform: translateY(-1px);
    }

/* Formularios */
.form-container {
    background: var(--bna-white);
    border-radius: 15px;
    padding: 2rem;
    box-shadow: var(--shadow-soft);
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-control {
    border-radius: 10px;
    border: 2px solid var(--bna-light);
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
    font-size: 1rem;
}

    .form-control:focus {
        border-color: var(--bna-primary);
        box-shadow: 0 0 0 0.2rem rgba(0, 102, 204, 0.25);
        background: var(--bna-light);
    }

.form-label {
    font-weight: 600;
    color: var(--bna-dark);
    margin-bottom: 0.5rem;
}

.form-floating > .form-control-plaintext::placeholder,
.form-floating > .form-control::placeholder {
    color: var(--bna-gray);
    text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder,
.form-floating > .form-control:focus::placeholder {
    text-align: start;
}

/* Tablas */
.table-container {
    background: var(--bna-white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    margin-bottom: 2rem;
}

.table {
    margin-bottom: 0;
}

    .table thead th {
        background: linear-gradient(135deg, var(--bna-primary) 0%, var(--bna-secondary) 100%);
        color: var(--bna-white);
        border: none;
        padding: 1rem;
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 0.5px;
    }

    .table tbody td {
        padding: 1rem;
        border-color: var(--bna-light);
        vertical-align: middle;
    }

    .table tbody tr:hover {
        background: rgba(0, 102, 204, 0.05);
    }

/* Cards y Componentes */
.card {
    border: none;
    border-radius: 15px;
    box-shadow: var(--shadow-soft);
    transition: all 0.3s ease;
    overflow: hidden;
}

    .card:hover {
        transform: translateY(-5px);
        box-shadow: var(--shadow-medium);
    }

.card-header {
    background: linear-gradient(135deg, var(--bna-primary) 0%, var(--bna-secondary) 100%);
    color: var(--bna-white);
    border-radius: 15px 15px 0 0 !important;
    font-weight: 600;
    padding: 1rem 1.5rem;
}

.card-body {
    padding: 1.5rem;
}

/* Alertas */
.alert {
    border-radius: 10px;
    border: none;
    padding: 1rem 1.5rem;
    margin-bottom: 1.5rem;
}

.alert-primary {
    background: var(--bna-light);
    color: var(--bna-dark);
    border-left: 4px solid var(--bna-primary);
}

.alert-info {
    background: rgba(77, 184, 232, 0.1);
    color: var(--bna-dark);
    border-left: 4px solid var(--bna-secondary);
}

.alert-danger {
    background: rgba(220, 53, 69, 0.1);
    color: var(--bna-danger);
    border-left: 4px solid var(--bna-danger);
}

/* Details Lists */
.details-container {
    background: var(--bna-white);
    border-radius: 15px;
    padding: 2rem;
    box-shadow: var(--shadow-soft);
    margin-bottom: 2rem;
}

.details-list {
    margin: 0;
}

    .details-list dt {
        font-weight: 600;
        color: var(--bna-primary);
        margin-bottom: 0.5rem;
    }

    .details-list dd {
        color: var(--bna-text-dark);
        margin-bottom: 1.5rem;
        padding: 0.75rem;
        background: var(--bna-gray-light);
        border-radius: 8px;
        border-left: 4px solid var(--bna-secondary);
    }

/* Navigation Breadcrumb */
.breadcrumb-container {
    margin-bottom: 2rem;
}

.breadcrumb {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: 25px;
    padding: 0.75rem 1.5rem;
    box-shadow: var(--shadow-soft);
}

    .breadcrumb .breadcrumb-item a {
        color: var(--bna-primary);
        text-decoration: none;
    }

        .breadcrumb .breadcrumb-item a:hover {
            color: var(--bna-dark);
        }

    .breadcrumb .breadcrumb-item.active {
        color: var(--bna-dark);
        font-weight: 600;
    }

/* Estilos para Dropdowns del Navbar */
.navbar-nav .dropdown-menu {
    background: var(--bna-white);
    border: none;
    border-radius: 10px;
    box-shadow: var(--shadow-medium);
    margin-top: 0.5rem;
    padding: 0.5rem 0;
    min-width: 200px;
}

.navbar-nav .dropdown-item {
    color: var(--bna-text-dark);
    padding: 0.75rem 1.5rem;
    transition: all 0.3s ease;
    border-radius: 0;
    font-weight: 500;
}

    .navbar-nav .dropdown-item:hover,
    .navbar-nav .dropdown-item:focus {
        background: linear-gradient(135deg, var(--bna-light) 0%, var(--bna-secondary) 20%);
        color: var(--bna-dark);
        transform: translateX(5px);
    }

    .navbar-nav .dropdown-item i {
        color: var(--bna-primary);
        width: 16px;
        text-align: center;
    }

.navbar-nav .dropdown-divider {
    border-color: var(--bna-light);
    margin: 0.5rem 1rem;
}

/* Estilo para dropdown toggle activo */
.navbar-nav .dropdown-toggle:focus,
.navbar-nav .dropdown-toggle.show {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

/* Animación para dropdown */
.navbar-nav .dropdown-menu {
    animation: fadeInDropdown 0.3s ease-out;
}

@keyframes fadeInDropdown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Elementos decorativos */
.page-title {
    color: var(--bna-primary);
    font-weight: 700;
    margin-bottom: 2rem;
    position: relative;
    padding-bottom: 1rem;
}

    .page-title::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        width: 60px;
        height: 4px;
        background: linear-gradient(135deg, var(--bna-primary) 0%, var(--bna-secondary) 100%);
        border-radius: 2px;
    }

/* Responsividad */
@media (max-width: 768px) {
    .navbar-brand {
        font-size: 1.25rem;
    }

    main {
        padding: 1.5rem;
        margin: 1rem 0;
    }

    .btn {
        padding: 0.6rem 1.5rem;
        font-size: 0.9rem;
    }

    .page-header {
        margin: -1.5rem -1.5rem 1.5rem -1.5rem;
        padding: 1.5rem;
    }

    .page-title {
        font-size: 1.5rem;
    }

    .form-container {
        padding: 1.5rem;
    }

    .details-container {
        padding: 1.5rem;
    }

    .action-buttons {
        justify-content: center;
    }
}

@media (max-width: 991px) {
    .navbar-nav .dropdown-menu {
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(10px);
        border-radius: 0;
        box-shadow: none;
        margin-top: 0;
        padding: 0;
    }

    .navbar-nav .dropdown-item {
        padding: 0.5rem 1rem;
        border-left: 3px solid transparent;
    }

        .navbar-nav .dropdown-item:hover {
            background: var(--bna-light);
            border-left-color: var(--bna-primary);
            transform: none;
        }
}

@media (max-width: 576px) {
    main {
        padding: 1rem;
        border-radius: 10px;
    }

    .navbar {
        padding: 0.5rem 0;
    }

    .footer {
        padding: 1rem 0;
        text-align: center;
    }

    .table-container {
        overflow-x: auto;
    }
}

/* Animaciones */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Focus states accesibles */
.btn:focus,
.btn:active:focus,
.btn-link.nav-link:focus,
.form-control:focus,
.form-check-input:focus {
    box-shadow: 0 0 0 0.2rem rgba(0, 102, 204, 0.5);
}

/* Mejoras de accesibilidad */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Hover effects para interactividad */
.hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

    .hover-lift:hover {
        transform: translateY(-3px);
        box-shadow: var(--shadow-medium);
    }

/* Estilo para Select */
.form-select {
    border-radius: 10px;
    border: 2px solid var(--bna-light);
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23343a40' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");
}

    .form-select:focus {
        border-color: var(--bna-primary);
        box-shadow: 0 0 0 0.2rem rgba(0, 102, 204, 0.25);
        background: var(--bna-light);
    }

/* Validation Styles */
.text-danger {
    color: var(--bna-danger) !important;
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

.is-invalid {
    border-color: var(--bna-danger);
}

    .is-invalid:focus {
        border-color: var(--bna-danger);
        box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
    }