/* ============================================
   Variables CSS - Sistema de Diseño E-Intellectus
   ============================================ */
:root {
    /* Colores Primarios */
    --primary-color: #1e3a8a;
    --primary-light: #1e40af;
    --primary-gradient: linear-gradient(135deg, #1e3a8a 0%, #1e40af 100%);

    /* Colores de Estado */
    --estado-proceso: #ffc107;
    --estado-proceso-text: #000000;
    --estado-pago: #0d6efd;
    --estado-pago-text: #ffffff;
    --estado-autorizado: #198754;
    --estado-autorizado-text: #ffffff;
    --estado-finalizado: #198754;
    --estado-finalizado-text: #ffffff;
    --estado-info: #0dcaf0;
    --estado-info-text: #000000;
    --estado-danger: #dc3545;
    --estado-danger-text: #ffffff;

    /* Colores Neutros */
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --text-muted: #6c757d;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --border-color: #dee2e6;

    /* Espaciado */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;

    /* Bordes */
    --border-radius-sm: 0.375rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 0.75rem;
    --border-radius-xl: 1rem;

    /* Sombras */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 12px 24px rgba(0, 0, 0, 0.25);

    /* Transiciones */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

/* ============================================
   Navbar Styling
   ============================================ */
.navbar {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    padding: 0.75rem 0;
    transition: all 0.3s ease;
}

.bg-gradient-primary {
    background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 100%) !important;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    transition: transform 0.3s ease;
}

.navbar-brand:hover {
    transform: scale(1.05);
}

.brand-icon {
    font-size: 1.75rem;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.brand-text {
    color: #ffffff;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.nav-link {
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    border-radius: 0.5rem;
    margin: 0 0.25rem;
    transition: all 0.3s ease;
    position: relative;
    color: #ffffff !important;
}

.nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.nav-link.active {
    background-color: rgba(255, 255, 255, 0.2);
    font-weight: 600;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 3px;
    background-color: #fff;
    border-radius: 2px;
}

.dropdown-menu-dark {
    background-color: rgba(30, 58, 138, 0.98);
    border: none;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
    border-radius: 0.5rem;
    padding: 0.5rem;
}

.dropdown-item {
    border-radius: 0.375rem;
    padding: 0.5rem 1rem;
    transition: all 0.2s ease;
    color: #ffffff !important;
}

.dropdown-item:hover {
    background-color: rgba(255, 255, 255, 0.15);
    transform: translateX(5px);
}

.user-avatar i {
    font-size: 1.5rem;
}

.user-name {
    font-weight: 500;
    color: #ffffff !important;
}

.navbar-toggler {
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 0.5rem;
}

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

/* Card Styling */
.card-header {
    font-weight: bold;
    letter-spacing: 0.05em;
    padding: 1rem 1.25rem;
}

.card {
    border: none;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    border-radius: 0.75rem;
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

/* Table Styling */
.table {
    margin-top: 1rem;
}

/* ============================================
   Modal Styling
   ============================================ */
.modal-content {
    border: none;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
}

.modal-header {
    background: var(--primary-gradient);
    color: white;
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
    padding: var(--spacing-lg);
}

.modal-header .btn-close {
    filter: brightness(0) invert(1);
}

.modal-title {
    font-weight: 600;
}

.modal-body {
    padding: var(--spacing-lg);
}

.modal-footer {
    padding: var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

/* ============================================
   KPI Cards (Dashboard)
   ============================================ */
.kpi-card {
    border-left: 4px solid;
    transition: var(--transition-normal);
    cursor: pointer;
}

.kpi-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.kpi-card.kpi-primary {
    border-left-color: var(--primary-color);
}

.kpi-card.kpi-success {
    border-left-color: var(--estado-autorizado);
}

.kpi-card.kpi-warning {
    border-left-color: var(--estado-proceso);
}

.kpi-card.kpi-danger {
    border-left-color: var(--estado-danger);
}

.kpi-value {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: var(--spacing-sm);
}

.kpi-label {
    color: var(--text-muted);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
}

.kpi-icon {
    font-size: 3rem;
    opacity: 0.2;
}

/* ============================================
   Estado Badges
   ============================================ */
.badge-estado {
    padding: 0.5rem 1rem;
    font-weight: 500;
    font-size: 0.875rem;
    border-radius: var(--border-radius-md);
}

.badge-estado-proceso {
    background-color: var(--estado-proceso);
    color: var(--estado-proceso-text);
}

.badge-estado-pago {
    background-color: var(--estado-pago);
    color: var(--estado-pago-text);
}

.badge-estado-autorizado {
    background-color: var(--estado-autorizado);
    color: var(--estado-autorizado-text);
}

.badge-estado-finalizado {
    background-color: var(--estado-finalizado);
    color: var(--estado-finalizado-text);
}

.badge-estado-info {
    background-color: var(--estado-info);
    color: var(--estado-info-text);
}

/* ============================================
   Botones de Acción
   ============================================ */
.btn-action {
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
    border-radius: var(--border-radius-md);
    transition: var(--transition-fast);
    border: none;
}

.btn-action:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.btn-action i {
    font-size: 1rem;
}

/* Click-to-call phone numbers */
.phone-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    transition: var(--transition-fast);
}

.phone-link:hover {
    color: var(--primary-light);
    text-decoration: underline;
}

.phone-link i {
    font-size: 0.875rem;
}

/* ============================================
   Table Enhancements
   ============================================ */
.table-responsive {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
}

.table thead th {
    background-color: var(--bg-light);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    padding: var(--spacing-md);
    border-bottom: 2px solid var(--border-color);
}

.table tbody tr {
    transition: var(--transition-fast);
}

.table tbody tr:hover {
    background-color: rgba(30, 58, 138, 0.05);
}

.table td {
    vertical-align: middle;
    padding: var(--spacing-md);
}

/* ============================================
   Alerts & Notifications
   ============================================ */
.alert-floating {
    position: fixed;
    top: 80px;
    right: 20px;
    min-width: 300px;
    max-width: 500px;
    z-index: var(--z-tooltip);
    animation: slideInRight 0.3s ease;
    box-shadow: var(--shadow-lg);
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* ============================================
   Loading States
   ============================================ */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: var(--z-modal);
}

.spinner-border-custom {
    width: 3rem;
    height: 3rem;
    border-width: 0.3rem;
}

/* ============================================
   Formulario en Modal
   ============================================ */
.modal-xl {
    max-width: 1140px;
}

.modal-dialog-scrollable .modal-body {
    max-height: calc(100vh - 200px);
    overflow-y: auto;
}

#solicitudForm .form-label {
    font-weight: 500;
    color: var(--text-primary);
}

#solicitudForm .form-control:focus,
#solicitudForm .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(30, 58, 138, 0.25);
}

#solicitudForm h4 {
    color: var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 0.5rem;
    margin-bottom: var(--spacing-lg);
}

/* ============================================
   Responsive adjustments
   ============================================ */
@media (max-width: 991.98px) {
    .navbar-collapse {
        background-color: rgba(30, 58, 138, 0.98);
        padding: 1rem;
        border-radius: 0.5rem;
        margin-top: 0.5rem;
    }

    .nav-link.active::after {
        display: none;
    }

    .dropdown-menu-dark {
        background-color: rgba(30, 64, 175, 0.98);
    }

    .kpi-value {
        font-size: 2rem;
    }

    .table {
        font-size: 0.875rem;
    }

    .alert-floating {
        right: 10px;
        left: 10px;
        min-width: auto;
    }

    .modal-xl {
        max-width: 95%;
        margin: 0.5rem;
    }

    #solicitudForm h4 {
        font-size: 1.25rem;
    }
}