/* ===================================
   VOLLEYBALL STATS - CSS MODERNO
   Optimizado para Bootstrap 5 & jQuery
   =================================== */

/* ===================================
   VARIABLES CSS PERSONALIZADAS
   =================================== */
:root {
    /* Colores del tema Voleibol */
    --primary: #0d6efd;
    --primary-dark: #0a58ca;
    --primary-light: #6ea8fe;
    --secondary: #6c757d;
    --success: #198754;
    --danger: #dc3545;
    --warning: #ffc107;
    --info: #0dcaf0;
    --light: #f8f9fa;
    --dark: #212529;
    
    /* Colores extendidos */
    --orange: #fd7e14;
    --purple: #6f42c1;
    --pink: #d63384;
    --teal: #20c997;
    --cyan: #0dcaf0;
    
    /* Gradientes modernos */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-success: linear-gradient(135deg, #56ab2f 0%, #a8e063 100%);
    --gradient-danger: linear-gradient(135deg, #eb3349 0%, #f45c43 100%);
    --gradient-warning: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-info: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-dark: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    
    /* Sombras */
    --shadow-sm: 0 .125rem .25rem rgba(0,0,0,.075);
    --shadow: 0 .5rem 1rem rgba(0,0,0,.15);
    --shadow-lg: 0 1rem 3rem rgba(0,0,0,.175);
    --shadow-xl: 0 2rem 4rem rgba(0,0,0,.2);
    
    /* Bordes */
    --border-radius: .375rem;
    --border-radius-lg: .5rem;
    --border-radius-xl: 1rem;
    --border-radius-pill: 50rem;
    
    /* Espaciado */
    --spacing-xs: .25rem;
    --spacing-sm: .5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 3rem;
}

/* ===================================
   CONFIGURACIÓN BASE
   =================================== */
html {
    font-size: 16px;
    scroll-behavior: smooth;
    scroll-padding-top: 4rem;
    height: 100%;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #ffffff;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

main {
    flex: 1;
    background-color: #f5f7fa;
    padding-top: 1.5rem;
    padding-bottom: 5rem;
    min-height: calc(100vh - 200px);
    position: relative; /* Si existe, esto puede causar el problema */
    z-index: 1; /* AGREGA ESTO - main tiene z-index bajo */
}

.container, .container-fluid {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
}

/* ===================================
   NAVBAR MODERNO CON BOOTSTRAP
   =================================== */
.navbar {
    background: var(--gradient-primary) !important;
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    position: relative; /* AGREGA */
    z-index: 1000; /* AGREGA - navbar tiene z-index alto */
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    color: white !important;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar-brand:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 0 10px rgba(255,255,255,0.5));
}

.navbar-brand i {
    font-size: 1.75rem;
    animation: volleyball-bounce 2s ease-in-out infinite;
}

@keyframes volleyball-bounce {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-8px) rotate(180deg); }
}

.navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.9) !important;
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    border-radius: var(--border-radius);
    transition: all 0.3s ease;
    position: relative;
    margin: 0 0.25rem;
}

.navbar-nav .nav-link:hover {
    background-color: rgba(255, 255, 255, 0.15);
    color: white !important;
    transform: translateY(-2px);
}

.navbar-nav .nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: white;
    transition: width 0.3s ease;
    border-radius: 2px;
}

.navbar-nav .nav-link:hover::before {
    width: 70%;
}

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

/* Dropdown en navbar */
.navbar .dropdown-menu {
    border: none;
    box-shadow: var(--shadow-lg);
    border-radius: var(--border-radius-lg);
    margin-top: 0.5rem;
    animation: fadeInDown 0.3s ease;
    /* overflow: hidden; /* ORIGINAL */
    overflow: visible; /* CAMBIAR ESTO */
    z-index: 1050; /* AGREGAR ESTO */
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.navbar .dropdown-item {
    padding: 0.75rem 1.25rem;
    transition: all 0.2s ease;
    font-weight: 500;
    color: var(--dark) !important;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.navbar .dropdown-item:hover {
    background: var(--gradient-primary);
    color: white !important;
    transform: translateX(5px);
}

.navbar .dropdown-item i {
    width: 1.25rem;
    text-align: center;
}

.navbar .dropdown-divider {
    margin: 0.5rem 0;
    opacity: 0.1;
}

/* Navbar toggler para móviles */
.navbar-toggler {
    border: 2px solid rgba(255, 255, 255, 0.3);
    padding: 0.5rem 0.75rem;
}

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

.navbar-toggler-icon {
    width: 1.5rem;
    height: 1.5rem;
}

/* ===================================
   CARDS MEJORADOS CON BOOTSTRAP
   =================================== */
.card {
    border: none;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    /*overflow: hidden;*/ /* ORIGINAL */
    overflow: visible; /* CAMBIAR ESTO */
    background: white;
    position: relative; /* AGREGA */
    z-index: 10; /* AGREGA - card con z-index bajo */
}

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

.card-header {
    background: var(--gradient-primary);
    color: white !important;
    border: none;
    padding: 1.25rem 1.5rem;
    font-weight: 600;
    font-size: 1.125rem;
    border-radius: var(--border-radius-xl) var(--border-radius-xl) 0 0 !important;
}

.card-header h1,
.card-header h2,
.card-header h3,
.card-header h4,
.card-header h5,
.card-header h6 {
    color: white !important;
    margin: 0;
}

.card-header i {
    color: white !important;
}

.card-header i.opposite {
    color: var(--dark) !important;
}

.card-header.bg-primary {
    background: var(--gradient-primary) !important;
    color: white !important;
}

.card-header.bg-success {
    background: var(--gradient-success) !important;
    color: white !important;
}

.card-header.bg-warning {
    background: var(--gradient-warning) !important;
    color: var(--dark) !important;
}

.card-header.bg-warning h1,
.card-header.bg-warning h2,
.card-header.bg-warning h3,
.card-header.bg-warning h4,
.card-header.bg-warning h5,
.card-header.bg-warning h6,
.card-header.bg-warning i {
    color: var(--dark) !important;
}

.card-header.bg-info {
    background: var(--gradient-info) !important;
    color: white !important;
}

.card-header.bg-danger {
    background: var(--gradient-danger) !important;
    color: white !important;
}

.card-body {
    padding: 1.5rem;
}

.card-footer {
    background-color: rgba(0, 0, 0, 0.02);
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    padding: 1rem 1.5rem;
}

/* Cards de estadísticas del dashboard */
.card.text-white {
    position: relative;
    overflow: hidden;
}

.card.text-white::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 200px;
    height: 200px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
}

.card.text-white::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 150px;
    height: 150px;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 50%;
}

.card.text-white .card-body {
    position: relative;
    z-index: 1;
}

.card.bg-primary {
    background: var(--gradient-primary) !important;
}

.card.bg-success {
    background: var(--gradient-success) !important;
}

.card.bg-warning {
    background: var(--gradient-warning) !important;
}

.card.bg-info {
    background: var(--gradient-info) !important;
}

.card.bg-light {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%) !important;
}

/* ===================================
   BOTONES MEJORADOS BOOTSTRAP
   =================================== */
.btn {
    font-weight: 600;
    padding: 0.625rem 1.5rem;
    border-radius: var(--border-radius-lg);
    border: none;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: white !important;
}

.btn:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

.btn-primary {
    background: var(--gradient-primary);
    color: white !important;
}

.btn-success {
    background: var(--gradient-success);
    color: white !important;
}

.btn-danger {
    background: var(--gradient-danger);
    color: white !important;
}

.btn-warning {
    background: var(--gradient-warning);
    color: var(--dark) !important;
}

.btn-info {
    background: var(--gradient-info);
    color: white !important;
}

.btn-secondary {
    background: var(--gradient-dark);
    color: white !important;
}

.btn-light {
    background: white;
    color: var(--dark) !important;
    border: 2px solid #dee2e6;
}

.btn-light:hover {
    background: var(--light);
    border-color: #adb5bd;
    color: var(--dark) !important;
}

/* Tamaños de botones */
.btn-lg {
    padding: 0.875rem 2rem;
    font-size: 1.125rem;
    border-radius: var(--border-radius-xl);
}

.btn-sm {
    padding: 0.375rem 1rem;
    font-size: 0.875rem;
}

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

.btn-outline-primary:hover {
    background: var(--primary) !important;
    border-color: var(--primary) !important;
    color: white !important;
}

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

.btn-outline-success:hover {
    background: var(--success) !important;
    border-color: var(--success) !important;
    color: white !important;
}

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

.btn-outline-danger:hover {
    background: var(--danger) !important;
    border-color: var(--danger) !important;
    color: white !important;
}

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

.btn-outline-warning:hover {
    background: var(--warning) !important;
    border-color: var(--warning) !important;
    color: var(--dark) !important;
}

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

.btn-outline-info:hover {
    background: var(--info) !important;
    border-color: var(--info) !important;
    color: white !important;
}

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

.btn-outline-secondary:hover {
    background: var(--secondary) !important;
    border-color: var(--secondary) !important;
    color: white !important;
}

/* Grupos de botones */
.btn-group .btn {
    box-shadow: none;
    color: white !important;
}

.btn-group .btn:hover {
    z-index: 1;
    color: white !important;
}

.btn-group .btn-warning {
    color: var(--dark) !important;
}

.btn-group .btn-light {
    color: var(--dark) !important;
}

/* ===================================
   FORMULARIOS BOOTSTRAP MEJORADOS
   =================================== */
.form-control,
.form-select {
    border: 2px solid #e9ecef;
    border-radius: var(--border-radius-lg);
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.1);
    background-color: white;
}

.form-label {
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 0.5rem;
    font-size: 0.9375rem;
}

.form-check-input {
    border: 2px solid #dee2e6;
    border-radius: 0.25rem;
    cursor: pointer;
}

.form-check-input:checked {
    background-color: var(--primary);
    border-color: var(--primary);
}

.form-check-input:focus {
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.1);
}

.form-check-label {
    cursor: pointer;
}

/* Validation states */
.was-validated .form-control:valid,
.form-control.is-valid {
    border-color: var(--success);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'%3e%3cpath fill='%23198754' d='M2.3 6.73L.6 4.53c-.4-1.04.46-1.4 1.1-.8l1.1 1.4 3.4-3.8c.6-.63 1.6-.27 1.2.7l-4 4.6c-.43.5-.8.4-1.1.1z'/%3e%3c/svg%3e");
}

.was-validated .form-control:invalid,
.form-control.is-invalid {
    border-color: var(--danger);
}

/* Input groups */
.input-group {
    box-shadow: var(--shadow-sm);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
}

.input-group .form-control {
    border-radius: 0;
    border: none;
}

.input-group-text {
    background: var(--gradient-primary);
    color: white;
    border: none;
    font-weight: 600;
}

/* ===================================
   TABLAS BOOTSTRAP MEJORADAS
   =================================== */
.table-responsive {
    border-radius: var(--border-radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.table {
    margin-bottom: 0;
}

.table > thead {
    background: var(--gradient-primary);
    color: white;
}

.table > thead > tr > th {
    border: none;
    padding: 1rem 1.25rem;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.5px;
    vertical-align: middle;
}

.table > tbody > tr {
    transition: all 0.2s ease;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.table-hover > tbody > tr:hover {
    background-color: rgba(13, 110, 253, 0.05);
    transform: scale(1.01);
    box-shadow: var(--shadow-sm);
}

.table > tbody > tr > td {
    padding: 1rem 1.25rem;
    vertical-align: middle;
    border: none;
}

.table-striped > tbody > tr:nth-of-type(odd) > * {
    background-color: rgba(0, 0, 0, 0.02);
}

/* Tablas pequeñas */
.table-sm > thead > tr > th,
.table-sm > tbody > tr > td {
    padding: 0.5rem;
}

/* ===================================
   BADGES BOOTSTRAP MEJORADOS
   =================================== */
.badge {
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-pill);
    font-weight: 700;
    font-size: 0.8125rem;
    letter-spacing: 0.5px;
    box-shadow: var(--shadow-sm);
}

.badge.bg-primary {
    background: var(--gradient-primary) !important;
}

.badge.bg-success {
    background: var(--gradient-success) !important;
}

.badge.bg-warning {
    background: var(--gradient-warning) !important;
    color: var(--dark) !important;
}

.badge.bg-info {
    background: var(--gradient-info) !important;
}

.badge.bg-danger {
    background: var(--gradient-danger) !important;
}

.badge.bg-secondary {
    background: var(--gradient-dark) !important;
}

.badge i {
    margin-right: 0.375rem;
}

/* ===================================
   ALERTAS BOOTSTRAP MEJORADAS
   =================================== */
.alert {
    border: none;
    border-radius: var(--border-radius-xl);
    padding: 1.25rem 1.5rem;
    box-shadow: var(--shadow);
    border-left: 5px solid;
    animation: slideInRight 0.5s ease;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.alert-success {
    background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
    border-left-color: var(--success);
    color: #065f46;
}

.alert-danger {
    background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
    border-left-color: var(--danger);
    color: #991b1b;
}

.alert-warning {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border-left-color: var(--warning);
    color: #92400e;
}

.alert-info {
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    border-left-color: var(--info);
    color: #1e3a8a;
}

.alert i:first-child {
    margin-right: 0.75rem;
    font-size: 1.25rem;
}

.alert-dismissible .btn-close {
    opacity: 0.5;
}

.alert-dismissible .btn-close:hover {
    opacity: 1;
}

/* ===================================
   BREADCRUMBS MEJORADOS
   =================================== */
.breadcrumb {
    background: white;
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: 1.5rem;
}

.breadcrumb-item + .breadcrumb-item::before {
    content: '›';
    font-size: 1.25rem;
    color: var(--secondary);
}

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

/* ===================================
   PAGINATION MEJORADA
   =================================== */
.pagination {
    gap: 0.5rem;
}

.page-link {
    border: none;
    border-radius: var(--border-radius);
    padding: 0.5rem 1rem;
    font-weight: 600;
    color: var(--primary);
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.page-link:hover {
    background: var(--gradient-primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.page-item.active .page-link {
    background: var(--gradient-primary);
    border: none;
}

.page-item.disabled .page-link {
    opacity: 0.5;
    box-shadow: none;
}

/* ===================================
   MODALS BOOTSTRAP MEJORADOS
   =================================== */
.modal-content {
    border: none;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

.modal-header {
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: 1.5rem;
}

.modal-header .btn-close {
    filter: invert(1) brightness(2);
    opacity: 0.8;
}

.modal-header .btn-close:hover {
    opacity: 1;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    padding: 1rem 1.5rem;
}

/* ===================================
   TOOLTIPS & POPOVERS MEJORADOS
   =================================== */
.tooltip-inner {
    background: var(--dark);
    border-radius: var(--border-radius);
    padding: 0.5rem 1rem;
    font-weight: 600;
    box-shadow: var(--shadow-lg);
}

.popover {
    border: none;
    box-shadow: var(--shadow-xl);
    border-radius: var(--border-radius-lg);
}

.popover-header {
    background: var(--gradient-primary);
    color: white;
    border: none;
    font-weight: 600;
}

/* ===================================
   PROGRESS BARS MEJORADAS
   =================================== */
.progress {
    height: 1.5rem;
    border-radius: var(--border-radius-pill);
    background-color: #e9ecef;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
    overflow: visible;
}

.progress-bar {
    background: var(--gradient-primary);
    border-radius: var(--border-radius-pill);
    box-shadow: var(--shadow);
    font-weight: 700;
    position: relative;
}

.progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

/* ===================================
   SPINNERS MEJORADOS
   =================================== */
.spinner-border {
    border-color: var(--primary);
    border-right-color: transparent;
}

.spinner-grow {
    background-color: var(--primary);
}

/* ===================================
   LIST GROUPS MEJORADOS
   =================================== */
.list-group {
    border-radius: var(--border-radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.list-group-item {
    border: none;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: all 0.2s ease;
    padding: 1rem 1.25rem;
}

.list-group-item:hover {
    background-color: rgba(13, 110, 253, 0.05);
    transform: translateX(5px);
}

.list-group-item.active {
    background: var(--gradient-primary);
    border-color: transparent;
}

.list-group-item-action:hover {
    color: var(--primary);
}

/* ===================================
   FOOTER MEJORADO
   =================================== */
.footer {
    background: var(--gradient-dark);
    color: white;
    padding: 2rem 0;
    margin-top: 3rem;
    box-shadow: 0 -4px 6px rgba(0, 0, 0, 0.1);
    width: 100%;
}

.footer a {
    color: rgba(255, 255, 255, 0.8);
    transition: color 0.3s ease;
    text-decoration: none;
}

.footer a:hover {
    color: white;
    text-decoration: none;
}

.footer .container {
    margin-bottom: 0;
}

/* ===================================
   UTILIDADES PERSONALIZADAS
   =================================== */

/* Texto con gradiente */
.text-gradient-primary {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

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

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

.hover-zoom {
    transition: transform 0.3s ease;
}

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

/* Animaciones de entrada */
.fade-in {
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.slide-up {
    animation: slideUp 0.5s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Scroll personalizado */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--light);
}

::-webkit-scrollbar-thumb {
    background: var(--gradient-primary);
    border-radius: var(--border-radius-pill);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* ===================================
   RESPONSIVE MEJORAS
   =================================== */
@media (max-width: 768px) {
    html {
        font-size: 14px;
    }
    
    .card {
        margin-bottom: 1rem;
    }
    
    .btn-group {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .table-responsive {
        font-size: 0.875rem;
    }
    
    .navbar-collapse {
        background: rgba(102, 126, 234, 0.95);
        padding: 1rem;
        border-radius: var(--border-radius-lg);
        margin-top: 1rem;
    }
}

@media (max-width: 576px) {
    .card-header {
        font-size: 1rem;
        padding: 1rem;
    }
    
    .card-body {
        padding: 1rem;
    }
}

/* ===================================
   MEJORAS ESPECÍFICAS JQUERY
   =================================== */

/* Efectos de transición para elementos manipulados con jQuery */
.jquery-transition {
    transition: all 0.3s ease;
}

/* Clases para show/hide de jQuery */
.jquery-fade-in {
    animation: jqueryFadeIn 0.4s ease;
}

@keyframes jqueryFadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Slide effects para jQuery */
.jquery-slide-down {
    animation: slideDown 0.4s ease;
}

@keyframes slideDown {
    from {
        max-height: 0;
        opacity: 0;
    }
    to {
        max-height: 500px;
        opacity: 1;
    }
}

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

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 2rem;
    height: 2rem;
    margin: -1rem 0 0 -1rem;
    border: 3px solid var(--primary);
    border-right-color: transparent;
    border-radius: 50%;
    animation: spin 0.75s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ===================================
   PRINT STYLES
   =================================== */
@media print {
    .navbar,
    .footer,
    .btn,
    .no-print {
        display: none !important;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #dee2e6;
    }
    
    body {
        background: white;
    }
}

/* ===================================
   NAVBAR MODERNO
   =================================== */
.navbar {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%) !important;
    box-shadow: var(--shadow-lg);
    padding: 1rem 0;
    backdrop-filter: blur(10px);
    border-bottom: none !important;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: -0.5px;
    transition: transform var(--transition-base);
    color: white !important;
}

.navbar-brand:hover {
    transform: scale(1.05);
    color: white !important;
}

.navbar-brand i {
    margin-right: 0.5rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-5px);
    }
}

.nav-link {
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    border-radius: var(--border-radius);
    transition: all var(--transition-base);
    position: relative;
    color: rgba(255, 255, 255, 0.9) !important;
}

.nav-link:hover {
    color: white !important;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: white;
    transition: all var(--transition-base);
    transform: translateX(-50%);
}

.nav-link:hover::after {
    width: 80%;
}

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

/* Dropdown toggle en navbar */
.navbar .dropdown-toggle {
    color: rgba(255, 255, 255, 0.9) !important;
}

.navbar .dropdown-toggle:hover {
    color: white !important;
}

.navbar .dropdown-toggle::after {
    margin-left: 0.5rem;
}

/* Dropdown menu */
.dropdown-menu {
    border: none;
    box-shadow: var(--shadow-xl);
    border-radius: var(--border-radius);
    padding: 0.5rem;
    margin-top: 0.5rem;
    animation: slideDown var(--transition-base);
    background-color: white;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.dropdown-item {
    border-radius: calc(var(--border-radius) - 0.25rem);
    padding: 0.5rem 1rem;
    transition: all var(--transition-fast);
    font-weight: 500;
    color: var(--text-primary) !important;
}

.dropdown-item:hover {
    background-color: var(--primary-light);
    color: white !important;
    transform: translateX(5px);
}

.dropdown-item:focus {
    background-color: var(--primary-light);
    color: white !important;
}

.dropdown-item i {
    margin-right: 0.5rem;
    width: 1rem;
    text-align: center;
}

.dropdown-divider {
    margin: 0.5rem 0;
    opacity: 0.1;
}

/* Botones dentro de dropdown-item (como logout) */
.dropdown-item button {
    background: none;
    border: none;
    padding: 0;
    color: inherit;
    font: inherit;
    cursor: pointer;
    text-decoration: none;
    display: inline;
}

.dropdown-item button:hover {
    text-decoration: none;
}

/* Navbar toggler para móviles */
.navbar-toggler {
    border-color: rgba(255, 255, 255, 0.3);
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 0.25rem 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, 0.9%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Navbar collapse en móviles */
@media (max-width: 576px) {
    .navbar-collapse {
        background-color: rgba(79, 70, 229, 0.95);
        padding: 1rem;
        border-radius: var(--border-radius);
        margin-top: 1rem;
    }
}

/* ===================================
   CARDS MODERNOS
   =================================== */
.card {
    border: none;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    overflow: hidden;
    background: white;
}

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

.card-header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border: none;
    padding: 1.25rem 1.5rem;
    font-weight: 600;
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0 !important;
}

.card-header.bg-success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%) !important;
}

.card-header.bg-warning {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%) !important;
}

.card-header.bg-info {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%) !important;
}

.card-header.bg-danger {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%) !important;
}

.card-body {
    padding: 1.5rem;
}

/* Cards de estadísticas del dashboard */
.card.bg-primary,
.card.bg-success,
.card.bg-warning,
.card.bg-info {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border: none;
    position: relative;
    overflow: hidden;
}

.card.bg-primary::before,
.card.bg-success::before,
.card.bg-warning::before,
.card.bg-info::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transform: translate(30%, -30%);
}

.card.bg-success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%) !important;
}

.card.bg-warning {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%) !important;
}

.card.bg-info {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%) !important;
}

/* ===================================
   BOTONES MODERNOS
   =================================== */
.btn {
    border-radius: var(--border-radius);
    font-weight: 600;
    padding: 0.625rem 1.25rem;
    border: none;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width var(--transition-base), height var(--transition-base);
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

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

.btn:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

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

.btn-success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.btn-warning {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
}

.btn-info {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
}

.btn-danger {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
}

.btn-secondary {
    background: linear-gradient(135deg, #64748b 0%, #475569 100%);
}

.btn-light {
    background: white;
    color: var(--text-primary);
    box-shadow: var(--shadow-md);
}

.btn-light:hover {
    background: var(--light);
    color: var(--text-primary);
}

/* Botones outline */
.btn-outline-primary,
.btn-outline-success,
.btn-outline-warning,
.btn-outline-info,
.btn-outline-danger {
    background: transparent;
    border: 2px solid currentColor;
}

.btn-outline-primary:hover {
    background: var(--primary);
    border-color: var(--primary);
}

.btn-outline-success:hover {
    background: var(--success-color);
    border-color: var(--success-color);
}

/* Tamaños de botones */
.btn-lg {
    padding: 0.875rem 1.75rem;
    font-size: 1.125rem;
    border-radius: var(--border-radius-lg);
}

.btn-sm {
    padding: 0.375rem 0.875rem;
    font-size: 0.875rem;
}

/* Grupos de botones */
.btn-group .btn {
    border-radius: 0;
}

.btn-group .btn:first-child {
    border-radius: var(--border-radius) 0 0 var(--border-radius);
}

.btn-group .btn:last-child {
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

/* ===================================
   FORMULARIOS MODERNOS
   =================================== */
.form-control,
.form-select {
    border: 2px solid #e2e8f0;
    border-radius: var(--border-radius);
    padding: 0.75rem 1rem;
    transition: all var(--transition-base);
    background-color: var(--bg-white);
    font-size: 0.9375rem;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1);
    background-color: white;
}

/*.form-label {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 0.9375rem;
}*/

.form-check-input:checked {
    background-color: var(--primary);
    border-color: var(--primary);
}

.form-check-input:focus {
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1);
}

/* ===================================
   TABLAS MODERNAS
   =================================== */
.table-responsive {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.table {
    margin-bottom: 0;
}

.table thead {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
}

.table thead th {
    border: none;
    padding: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.5px;
}

.table tbody tr {
    transition: all var(--transition-fast);
    border-bottom: 1px solid #f1f5f9;
}

.table-hover tbody tr:hover {
    background-color: #f8fafc;
    transform: scale(1.01);
    box-shadow: var(--shadow-sm);
}

.table tbody td {
    padding: 1rem;
    vertical-align: middle;
    border: none;
}

.table-striped tbody tr:nth-of-type(odd) {
    background-color: rgba(0, 0, 0, 0.02);
}

/* ===================================
   BADGES MODERNOS
   =================================== */
.badge {
    padding: 0.5rem 0.875rem;
    border-radius: var(--border-radius-full);
    font-weight: 600;
    font-size: 0.8125rem;
    letter-spacing: 0.3px;
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
}

.badge.bg-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%) !important;
}

.badge.bg-success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%) !important;
}

.badge.bg-warning {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%) !important;
}

.badge.bg-info {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%) !important;
}

.badge.bg-danger {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%) !important;
}

.badge.bg-secondary {
    background: linear-gradient(135deg, #64748b 0%, #475569 100%) !important;
}

/* ===================================
   ALERTAS MODERNAS
   =================================== */
.alert {
    border: none;
    border-radius: var(--border-radius-lg);
    padding: 1.25rem 1.5rem;
    box-shadow: var(--shadow-md);
    border-left: 4px solid;
    animation: slideInRight var(--transition-base);
}

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

.alert-success {
    background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
    border-left-color: var(--success-color);
    color: #065f46;
}

.alert-danger {
    background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
    border-left-color: var(--danger-color);
    color: #991b1b;
}

.alert-warning {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border-left-color: var(--warning-color);
    color: #92400e;
}

.alert-info {
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    border-left-color: var(--info-color);
    color: #1e3a8a;
}

.alert i {
    margin-right: 0.5rem;
}

/* ===================================
   FOOTER MODERNO
   =================================== */
.footer {
    bottom: 0;
    width: 100%;
    background: linear-gradient(135deg, var(--bg-dark) 0%, #1e293b 100%);
    color: var(--text-light);
    padding: 1.5rem 0;
    box-shadow: 0 -4px 6px -1px rgba(0, 0, 0, 0.1);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* ===================================
   UTILIDADES Y ANIMACIONES
   =================================== */
.text-gradient {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hover-scale {
    transition: transform var(--transition-base);
}

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

.fade-in {
    animation: fadeIn var(--transition-slow);
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* ===================================
   LOADING SPINNER
   =================================== */
.spinner-border {
    border-color: var(--primary-light);
    border-right-color: transparent;
}

/* ===================================
   ESTILOS PERSONALIZADOS ADICIONALES
   =================================== */

/* Display numérico grande */
.display-1, .display-2, .display-3, .display-4, .display-5, .display-6 {
    font-weight: 700;
    line-height: 1.2;
}

/* Línea horizontal mejorada */
hr {
    opacity: 0.1;
    margin: 2rem 0;
}

/* Links mejorados */
a {
    color: var(--primary);
    text-decoration: none;
    transition: all var(--transition-fast);
}

a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* Imágenes responsivas */
img {
    max-width: 100%;
    height: auto;
}

/* Scroll suave */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--primary) var(--light);
}

*::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

*::-webkit-scrollbar-track {
    background: var(--light);
}

*::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: var(--border-radius-full);
}

*::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* ===================================
   RESPONSIVE
   =================================== */
@media (max-width: 768px) {
    .card {
        margin-bottom: 1rem;
    }
    
    .btn-group {
        flex-direction: column;
    }
    
    .btn-group .btn {
        border-radius: var(--border-radius) !important;
        margin-bottom: 0.5rem;
    }
    
    .table-responsive {
        font-size: 0.875rem;
    }
}

/* ===================================
   MODO OSCURO (Preparado para futuro)
   =================================== */
@media (prefers-color-scheme: dark) {
    /* Aquí se pueden agregar estilos para modo oscuro si se desea */
}

/* ===================================
   OPTIMIZACIONES MÓVIL/TABLET
   =================================== */

/* Tablets en Portrait (768px - 1024px) */
@media (min-width: 768px) and (max-width: 1024px) {
    .card {
        margin-bottom: 1.5rem;
    }
    
    .table-responsive {
        font-size: 0.9rem;
    }
    
    .btn {
        padding: 0.5rem 1rem;
    }
}

/* Móviles (hasta 767px) */
@media (max-width: 767px) {
    /* Formularios touch-friendly */
    .form-control,
    .form-select {
        min-height: 48px;
        font-size: 16px; /* Evita zoom en iOS */
    }
    
    /* Botones más grandes */
    .btn {
        min-height: 44px;
        padding: 0.75rem 1rem;
    }
    
    /* Tablas responsivas */
    .table {
        font-size: 0.85rem;
    }
    
    .table thead th {
        padding: 0.5rem 0.25rem;
        font-size: 0.75rem;
    }
    
    .table tbody td {
        padding: 0.5rem 0.25rem;
    }
    
    /* Cards más compactos */
    .card-header {
        padding: 0.875rem 1rem;
        font-size: 1rem;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    /* Grupos de botones en columna */
    .btn-group {
        flex-direction: column;
        width: 100%;
    }
    
    .btn-group .btn {
        width: 100%;
        margin-bottom: 0.5rem;
        border-radius: var(--border-radius-lg) !important;
    }
    
    /* Container con menos padding */
    .container,
    .container-fluid {
        padding-left: 1rem;
        padding-right: 1rem;
    }
}

/* Móviles pequeños (hasta 576px) */
@media (max-width: 576px) {
    html {
        font-size: 14px;
    }
    
    .display-1 { font-size: 2.5rem; }
    .display-2 { font-size: 2rem; }
    .display-3 { font-size: 1.75rem; }
    .display-4 { font-size: 1.5rem; }
    
    .navbar-brand {
        font-size: 1.25rem;
    }
    
    .btn-lg {
        padding: 0.75rem 1.25rem;
        font-size: 1rem;
    }
    
    .badge {
        padding: 0.375rem 0.75rem;
        font-size: 0.75rem;
    }
}

/* Orientación landscape */
@media (max-height: 500px) and (orientation: landscape) {
    .navbar {
        padding: 0.25rem 0;
    }
    
    .card-header {
        padding: 0.5rem 1rem;
    }
    
    main {
        padding-top: 0.5rem;
        padding-bottom: 1rem;
    }
}

/* Touch targets mejorados */
@media (hover: none) and (pointer: coarse) {
    .btn,
    .nav-link,
    .dropdown-item,
    a {
        min-height: 44px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }
    
    /* Feedback táctil */
    .btn:active,
    .nav-link:active {
        transform: scale(0.98);
        opacity: 0.9;
    }
}

/* Clases utility móvil */
@media (max-width: 767px) {
    .hide-mobile {
        display: none !important;
    }
    
    .mobile-center {
        text-align: center !important;
    }
    
    .mobile-stack > * {
        width: 100% !important;
        margin-bottom: 0.5rem;
    }
}

.show-mobile {
    display: none !important;
}

@media (max-width: 767px) {
    .show-mobile {
        display: block !important;
    }
}