/**
 * Estilos Personalizados - Sistema de Inventario
 * Nueva paleta de colores
 */

/* ===== VARIABLES CSS ===== */
:root {
    /* Nueva paleta de colores */
    --color-primary: #93C840;      /* Verde claro/lima */
    --color-secondary: #236B47;    /* Verde oscuro */
    --color-tertiary: #0E3C65;     /* Azul marino */
    --color-quaternary: #614432;   /* Marrón */
    --color-accent: #EF6A25;       /* Naranja */
    --color-white: #FFFFFF;        /* Blanco */
    
    /* Variantes de los colores principales */
    --color-primary-light: #A8D655;
    --color-primary-dark: #7DB32B;
    --color-secondary-light: #2E7A52;
    --color-secondary-dark: #1B5538;
    --color-tertiary-light: #1A4A7A;
    --color-tertiary-dark: #0A2E50;
    --color-quaternary-light: #725047;
    --color-quaternary-dark: #4A3020;
    --color-accent-light: #F17B40;
    --color-accent-dark: #D85A0F;
    
    /* Colores de estado */
    --color-success: #28a745;
    --color-warning: var(--color-accent);
    --color-danger: #dc3545;
    --color-info: var(--color-tertiary);
    
    /* Colores neutros */
    --color-gray-100: #f8f9fa;
    --color-gray-200: #e9ecef;
    --color-gray-300: #dee2e6;
    --color-gray-400: #ced4da;
    --color-gray-500: #adb5bd;
    --color-gray-600: #6c757d;
    --color-gray-700: #495057;
    --color-gray-800: #343a40;
    --color-gray-900: #212529;
    
    /* Gradientes personalizados */
    --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-dark) 100%);
    --gradient-tertiary: linear-gradient(135deg, var(--color-tertiary) 0%, var(--color-tertiary-dark) 100%);
    --gradient-quaternary: linear-gradient(135deg, var(--color-quaternary) 0%, var(--color-quaternary-dark) 100%);
    --gradient-accent: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
    --gradient-main: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 35%, var(--color-tertiary) 70%, var(--color-quaternary) 100%);
    
    /* Sombras */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 8px rgba(0,0,0,0.12);
    --shadow-lg: 0 8px 16px rgba(0,0,0,0.15);
    --shadow-xl: 0 12px 24px rgba(0,0,0,0.18);
    
    /* Bordes redondeados */
    --border-radius-sm: 6px;
    --border-radius-md: 10px;
    --border-radius-lg: 15px;
    --border-radius-xl: 20px;
}

/* ===== ESTILOS GLOBALES ===== */
body {
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* ===== ESTILOS DEL LOGIN ===== */
.login-body {
    background: var(--gradient-main);
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

/* Patrón de fondo animado */
.login-body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(255,255,255,0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255,255,255,0.1) 0%, transparent 50%);
    z-index: -1;
}

/* Elementos flotantes decorativos */
.floating-element {
    position: absolute;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    animation: float 6s ease-in-out infinite;
}

.floating-element:nth-child(1) {
    width: 80px;
    height: 80px;
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.floating-element:nth-child(2) {
    width: 120px;
    height: 120px;
    top: 60%;
    right: 10%;
    animation-delay: 2s;
}

.floating-element:nth-child(3) {
    width: 60px;
    height: 60px;
    bottom: 20%;
    left: 15%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-20px) rotate(120deg); }
    66% { transform: translateY(10px) rotate(240deg); }
}

.login-container {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    box-shadow: 
        0 30px 60px rgba(0, 0, 0, 0.2),
        0 0 0 1px rgba(255, 255, 255, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.4);
    padding: 3rem 2.5rem;
    width: 100%;
    max-width: 480px;
    margin: 0 auto;
    position: relative;
    z-index: 10;
    animation: slideInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Brillo sutil en el contenedor */
.login-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.8), transparent);
    border-radius: 24px 24px 0 0;
}

.logo-container {
    text-align: center;
    margin-bottom: 2.5rem;
}

/* Estilos para el logo PNG */
.logo-image {
    width: 120px;
    height: 120px;
    max-width: 120px;
    max-height: 120px;
    object-fit: contain;
    margin-bottom: 1.2rem;
    border-radius: 20px;
    background: var(--color-white);
    padding: 10px;
    box-shadow: 
        0 15px 35px rgba(147, 200, 64, 0.4),
        0 5px 15px rgba(0, 0, 0, 0.1);
    animation: logoGlow 3s ease-in-out infinite alternate;
    transition: all 0.3s ease;
}

.logo-image:hover {
    transform: scale(1.05);
    box-shadow: 
        0 20px 40px rgba(35, 107, 71, 0.5),
        0 8px 20px rgba(0, 0, 0, 0.15);
}

/* Fallback para cuando no hay logo PNG */
.logo-fallback {
    width: 90px;
    height: 90px;
    background: var(--gradient-main);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2.2rem;
    margin-bottom: 1.2rem;
    box-shadow: 
        0 15px 35px rgba(147, 200, 64, 0.4),
        0 5px 15px rgba(0, 0, 0, 0.1);
    position: relative;
    animation: logoGlow 3s ease-in-out infinite alternate;
}

.logo-fallback::before {
    content: '';
    position: absolute;
    top: -3px;
    left: -3px;
    right: -3px;
    bottom: -3px;
    border-radius: 50%;
    background: var(--gradient-main);
    z-index: -1;
    filter: blur(8px);
    opacity: 0.6;
}

@keyframes logoGlow {
    0% { 
        box-shadow: 0 15px 35px rgba(147, 200, 64, 0.4), 0 5px 15px rgba(0, 0, 0, 0.1); 
    }
    100% { 
        box-shadow: 0 20px 40px rgba(35, 107, 71, 0.5), 0 8px 20px rgba(0, 0, 0, 0.15); 
    }
}

/* Logo con texto */
.logo-text {
    display: block;
    margin-top: 0.8rem;
    font-size: 0.85rem;
    color: #718096;
    font-weight: 500;
}

.app-title {
    color: #2d3748;
    font-weight: 700;
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.app-subtitle {
    color: #4a5568;
    font-size: 1rem;
    font-weight: 500;
}

/* Estilos de formulario del login */
.login-container .form-floating {
    margin-bottom: 1.5rem;
    position: relative;
}

.login-container .form-control {
    border: 2px solid #e2e8f0;
    border-radius: 16px;
    padding: 1rem 1.2rem;
    font-size: 1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
}

.login-container .form-control:focus {
    border-color: var(--color-primary);
    box-shadow: 
        0 0 0 0.35rem rgba(147, 200, 64, 0.15),
        0 4px 12px rgba(147, 200, 64, 0.1);
    transform: translateY(-1px);
    background: rgba(255, 255, 255, 0.95);
}

.login-container .form-label {
    font-weight: 600;
    color: #4a5568;
    padding-left: 0.5rem;
}

.login-container .input-group-text {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border: 2px solid #e2e8f0;
    border-right: none;
    border-radius: 16px 0 0 16px;
    color: #4a5568;
    font-weight: 600;
}

.login-container .input-group .form-control {
    border-left: none;
    border-radius: 0 16px 16px 0;
}

.login-container .input-group:focus-within .input-group-text {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.password-toggle {
    cursor: pointer;
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 5;
    color: #718096;
    transition: all 0.3s ease;
    font-size: 1.1rem;
}

.password-toggle:hover {
    color: var(--color-primary);
    transform: translateY(-50%) scale(1.1);
}

.password-input-container {
    position: relative;
}

.btn-login {
    background: var(--gradient-main);
    border: none;
    border-radius: 16px;
    padding: 1rem 2rem;
    font-weight: 700;
    font-size: 1.05rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    width: 100%;
    color: white;
    position: relative;
    overflow: hidden;
}

.btn-login::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.6s ease;
}

.btn-login:hover::before {
    left: 100%;
}

.btn-login:hover {
    transform: translateY(-3px);
    box-shadow: 
        0 20px 40px rgba(147, 200, 64, 0.3),
        0 10px 20px rgba(0, 0, 0, 0.1);
    color: white;
}

.btn-login:active {
    transform: translateY(-1px);
}

/* Alertas en login */
.login-container .alert {
    border-radius: 16px;
    border: none;
    margin-bottom: 1.5rem;
    padding: 1.2rem;
    font-weight: 500;
    position: relative;
}

.login-container .alert-danger {
    background: rgba(220, 53, 69, 0.1);
    color: #c53030;
    border-left: 4px solid #e53e3e;
}

.version-info {
    text-align: center;
    margin-top: 2.5rem;
    color: #718096;
    font-size: 0.85rem;
    font-weight: 500;
}

/* Placeholder para cuando se está cargando el logo */
.logo-loading {
    width: 120px;
    height: 120px;
    background: linear-gradient(45deg, #f0f0f0 25%, transparent 25%), 
                linear-gradient(-45deg, #f0f0f0 25%, transparent 25%), 
                linear-gradient(45deg, transparent 75%, #f0f0f0 75%), 
                linear-gradient(-45deg, transparent 75%, #f0f0f0 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
    border-radius: 20px;
    margin-bottom: 1.2rem;
    animation: loading 1s linear infinite;
}

@keyframes loading {
    0% { background-position: 0 0, 0 10px, 10px -10px, -10px 0px; }
    100% { background-position: 20px 20px, 20px 30px, 30px 10px, 10px 20px; }
}

/* Efectos de carga */
.loading {
    position: relative;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid transparent;
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Animación de entrada */
@keyframes slideInUp {
    0% {
        opacity: 0;
        transform: translateY(60px) scale(0.95);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* ===== NAVBAR PERSONALIZADO ===== */
.navbar {
    background: var(--gradient-main) !important;
    box-shadow: var(--shadow-md);
    border-bottom: 3px solid var(--color-primary);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.4rem;
    color: var(--color-white) !important;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
}

.navbar-brand:hover {
    color: var(--color-primary-light) !important;
    transform: scale(1.05);
    transition: all 0.3s ease;
}

/* ===== SIDEBAR PERSONALIZADO ===== */
.sidebar {
    background: var(--color-white);
    border-right: 4px solid var(--color-primary);
    box-shadow: var(--shadow-lg);
}

.sidebar .nav-link {
    color: var(--color-gray-700);
    padding: 1.2rem 1.5rem;
    border-bottom: 1px solid var(--color-gray-200);
    transition: all 0.3s ease;
    font-weight: 500;
}

.sidebar .nav-link:hover {
    background: var(--gradient-primary);
    color: var(--color-gray-800);
    transform: translateX(8px);
    border-radius: 0 var(--border-radius-lg) var(--border-radius-lg) 0;
    box-shadow: var(--shadow-md);
}

.sidebar .nav-link.active {
    background: var(--gradient-secondary);
    color: var(--color-white);
    font-weight: 600;
    border-left: 4px solid var(--color-tertiary);
    transform: translateX(5px);
}

.sidebar .nav-link i {
    width: 24px;
    margin-right: 12px;
    font-size: 1.1rem;
}

/* ===== BOTONES PERSONALIZADOS ===== */
.btn-primary {
    background: var(--gradient-primary);
    border: 2px solid var(--color-primary);
    color: var(--color-gray-800);
    font-weight: 600;
    border-radius: var(--border-radius-md);
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: var(--gradient-secondary);
    border-color: var(--color-secondary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: var(--color-white);
}

.btn-success {
    background: var(--gradient-primary);
    border: 2px solid var(--color-primary);
    color: var(--color-gray-800);
}

.btn-success:hover {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-warning {
    background: var(--gradient-accent);
    border: 2px solid var(--color-accent);
    color: var(--color-white);
}

.btn-warning:hover {
    background: var(--color-accent-dark);
    border-color: var(--color-accent-dark);
    color: var(--color-white);
}

.btn-info {
    background: var(--gradient-tertiary);
    border: 2px solid var(--color-tertiary);
    color: var(--color-white);
}

.btn-info:hover {
    background: var(--color-tertiary-dark);
    border-color: var(--color-tertiary-dark);
    color: var(--color-white);
}

/* Botones outline */
.btn-outline-primary {
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-outline-primary:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-gray-800);
}

.btn-outline-secondary {
    color: var(--color-secondary);
    border-color: var(--color-secondary);
}

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

/* ===== TARJETAS PERSONALIZADAS ===== */
.card {
    border: none;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    overflow: hidden;
}

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

.card-header {
    background: var(--gradient-primary);
    color: var(--color-gray-800);
    border-bottom: 3px solid var(--color-secondary);
    font-weight: 600;
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0 !important;
}

/* Tarjetas de estadísticas */
.stat-card {
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border-left: 4px solid var(--color-primary);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-main);
}

.stat-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
}

/* Dashboard stat cards específicas */
.dashboard-stat-card {
    background: white;
    border-radius: var(--border-radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
    border-left: 4px solid var(--color-primary);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    height: 100%;
}

.dashboard-stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
}

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

.dashboard-stat-card.secondary {
    border-left-color: var(--color-secondary);
}

.dashboard-stat-card.secondary::before {
    background: var(--gradient-secondary);
}

.dashboard-stat-card.tertiary {
    border-left-color: var(--color-tertiary);
}

.dashboard-stat-card.tertiary::before {
    background: var(--gradient-tertiary);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: #2d3748;
    margin: 0;
    line-height: 1;
}

.stat-label {
    color: #4a5568;
    font-size: 0.95rem;
    font-weight: 600;
    margin: 0.5rem 0 0 0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Iconos de estadísticas */
.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--color-white);
    margin-bottom: 1rem;
    background: var(--gradient-primary);
    position: relative;
    overflow: hidden;
}

.stat-icon::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255,255,255,0.3), transparent);
    transform: rotate(45deg);
    transition: all 0.6s ease;
}

.stat-card:hover .stat-icon::before {
    animation: shimmer 1.5s ease-in-out;
}

@keyframes shimmer {
    0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
    100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
}

.dashboard-stat-card.secondary .stat-icon {
    background: var(--gradient-secondary);
}

.dashboard-stat-card.tertiary .stat-icon {
    background: var(--gradient-tertiary);
}

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

.bg-success-gradient {
    background: var(--gradient-secondary);
}

.bg-warning-gradient {
    background: var(--gradient-accent);
}

.bg-info-gradient {
    background: var(--gradient-tertiary);
}

/* ===== ESTILOS DEL DASHBOARD ===== */
.welcome-header {
    background: var(--gradient-main);
    color: white;
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    margin-bottom: 2rem;
    position: relative;
    overflow: hidden;
}

.welcome-header::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 200px;
    height: 200px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    transform: translate(50px, -50px);
}

.welcome-header h1 {
    margin: 0;
    font-size: 2rem;
    font-weight: 700;
}

.welcome-header p {
    margin: 0.5rem 0 0 0;
    opacity: 0.9;
    font-size: 1.1rem;
}

/* Gráficos de barra simples */
.progress-custom {
    height: 8px;
    border-radius: 10px;
    background: #e2e8f0;
    overflow: hidden;
    margin-top: 1rem;
}

.progress-bar-custom {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 10px;
    transition: width 1s ease;
}

/* Tarjetas de contenido */
.content-card {
    background: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    height: 100%;
}

.content-card .card-header {
    background: var(--gradient-primary);
    color: var(--color-gray-800);
    padding: 1.25rem 1.5rem;
    border: none;
    font-weight: 600;
}

.content-card.secondary .card-header {
    background: var(--gradient-secondary);
    color: var(--color-white);
}

.content-card.tertiary .card-header {
    background: var(--gradient-tertiary);
    color: var(--color-white);
}

/* Enlaces de accesos rápidos */
.quick-access-card {
    background: white;
    border: 2px solid transparent;
    border-radius: var(--border-radius-lg);
    padding: 1.5rem;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.quick-access-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    color: inherit;
    text-decoration: none;
}

.quick-access-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    background: var(--gradient-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.quick-access-card:nth-child(2) .quick-access-icon {
    background: var(--gradient-secondary);
}

.quick-access-card:nth-child(3) .quick-access-icon {
    background: var(--gradient-tertiary);
}

.quick-access-card:nth-child(4) .quick-access-icon {
    background: var(--gradient-accent);
}

/* ===== ALERTAS PERSONALIZADAS ===== */
.alert {
    border-radius: var(--border-radius-md);
    border: none;
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.alert::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    width: 4px;
    background: currentColor;
}

.alert-success {
    background-color: rgba(147, 200, 64, 0.1);
    color: var(--color-primary-dark);
    border-left: 4px solid var(--color-primary);
}

.alert-warning {
    background-color: rgba(239, 106, 37, 0.1);
    color: var(--color-accent-dark);
    border-left: 4px solid var(--color-accent);
}

.alert-info {
    background-color: rgba(14, 60, 101, 0.1);
    color: var(--color-tertiary-dark);
    border-left: 4px solid var(--color-tertiary);
}

/* ===== FORMULARIOS PERSONALIZADOS ===== */
.form-control {
    border: 2px solid var(--color-gray-300);
    border-radius: var(--border-radius-md);
    transition: all 0.3s ease;
    padding: 0.75rem 1rem;
}

.form-control:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 0.25rem rgba(147, 200, 64, 0.15);
    transform: translateY(-1px);
}

.form-label {
    font-weight: 600;
    color: var(--color-gray-700);
    margin-bottom: 0.75rem;
}

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

.table th {
    background: var(--gradient-primary);
    color: var(--color-gray-800);
    font-weight: 600;
    border: none;
    padding: 1rem;
}

.table td {
    padding: 0.875rem 1rem;
    border-color: var(--color-gray-200);
    vertical-align: middle;
}

.table-hover tbody tr:hover, .table-custom tbody tr:hover {
    background-color: rgba(147, 200, 64, 0.05);
    transform: scale(1.001);
    transition: all 0.2s ease;
}

/* Tabla customizada específica */
.table-custom {
    margin: 0;
}

.table-custom th {
    background: transparent;
    color: #4a5568;
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 2px solid #e2e8f0;
    padding: 1rem 1.5rem;
}

.table-custom td {
    padding: 0.875rem 1.5rem;
    border-color: #f7fafc;
    vertical-align: middle;
}

/* ===== BADGES PERSONALIZADOS ===== */
.badge {
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    padding: 0.5rem 0.875rem;
    font-size: 0.8rem;
}

.bg-primary {
    background: var(--gradient-primary) !important;
    color: var(--color-gray-800) !important;
}

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

.bg-success {
    background: var(--gradient-primary) !important;
    color: var(--color-gray-800) !important;
}

/* ===== TIMER DE SESIÓN ===== */
.session-timer {
    background: rgba(255, 255, 255, 0.15);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--border-radius-xl);
    padding: 0.6rem 1.2rem;
    font-size: 0.9rem;
    font-weight: 600;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.session-timer:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: scale(1.05);
}

/* ===== BOTÓN DE LOGOUT ===== */
.btn-logout {
    background: rgba(255, 255, 255, 0.15);
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: var(--color-white);
    border-radius: var(--border-radius-xl);
    padding: 0.6rem 1.2rem;
    transition: all 0.3s ease;
    font-weight: 600;
    backdrop-filter: blur(10px);
}

.btn-logout:hover {
    background: rgba(220, 53, 69, 0.8);
    border-color: rgba(220, 53, 69, 1);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ===== PAGINACIÓN ===== */
.pagination .page-link {
    color: var(--color-primary);
    border-color: var(--color-gray-300);
    border-radius: var(--border-radius-sm);
    margin: 0 2px;
    transition: all 0.3s ease;
}

.pagination .page-link:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-gray-800);
    transform: translateY(-2px);
}

.pagination .page-item.active .page-link {
    background: var(--gradient-primary);
    border-color: var(--color-primary);
    color: var(--color-gray-800);
    box-shadow: var(--shadow-sm);
}

/* ===== CÓDIGO DESTACADO ===== */
code {
    background: var(--color-gray-100);
    color: var(--color-tertiary);
    padding: 0.3rem 0.6rem;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    border: 1px solid var(--color-gray-300);
}

/* ===== EFECTOS ESPECIALES ===== */
/* Animación de carga */
@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.5; }
    100% { opacity: 1; }
}

.loading {
    animation: pulse 1.5s ease-in-out infinite;
}

/* Animación de deslizar */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.slide-in {
    animation: slideIn 0.5s ease-out;
}

/* Animaciones del dashboard */
.fade-in {
    animation: fadeIn 0.6s ease-out;
}

.slide-up {
    animation: slideUp 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    .sidebar {
        border-right: none;
        border-bottom: 4px solid var(--color-primary);
    }
    
    .main-content {
        padding: 1rem;
    }
    
    .stat-card, .dashboard-stat-card {
        margin-bottom: 1rem;
        text-align: center;
    }
    
    .navbar-brand {
        font-size: 1.2rem;
    }
    
    .btn-group .btn {
        padding: 0.4rem 0.6rem;
        font-size: 0.85rem;
    }
    
    /* Login responsive */
    .login-container {
        margin: 1rem;
        padding: 2rem 1.5rem;
        border-radius: 20px;
    }
    
    .logo-image, .logo-fallback {
        width: 80px;
        height: 80px;
    }
    
    .logo-fallback {
        font-size: 1.8rem;
    }
    
    .app-title {
        font-size: 1.5rem;
    }
    
    .app-subtitle {
        font-size: 0.9rem;
    }
    
    .welcome-header {
        padding: 1.5rem;
        margin-bottom: 1.5rem;
    }
    
    .welcome-header h1 {
        font-size: 1.5rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
}

@media (max-width: 576px) {
    .card-header {
        padding: 1rem;
        font-size: 0.9rem;
    }
    
    .table {
        font-size: 0.85rem;
    }
    
    .btn {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }
}

/* ===== SIDEBAR DESPLEGABLE ===== */

/* Toggle Button */
.sidebar-toggle-btn {
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 1050;
    background: var(--gradient-main);
    border: none;
    border-radius: 12px;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
    cursor: pointer;
}

.sidebar-toggle-btn:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-xl);
}

/* Sidebar Main Container */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 320px;
    height: 100vh;
    background: var(--color-white);
    border-right: 3px solid var(--color-primary);
    box-shadow: var(--shadow-xl);
    z-index: 1040;
    transform: translateX(-100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
    overflow-x: hidden;
}

.sidebar.active {
    transform: translateX(0);
}

/* Sidebar Header */
.sidebar-header {
    padding: 1.5rem;
    background: var(--gradient-main);
    color: white;
    position: relative;
    text-align: center;
    border-bottom: 2px solid var(--color-primary);
}

.sidebar-logo {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 1rem;
}

.sidebar-logo-img {
    width: 70px;
    height: 70px;
    border-radius: 12px;
    background: white;
    padding: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    object-fit: contain;
}

.sidebar-logo-fallback {
    width: 70px;
    height: 70px;
    border-radius: 12px;
    background: var(--color-white);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.sidebar-title {
    margin: 0;
    font-size: 1.2rem;
    font-weight: 700;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
}

.sidebar-title-link {
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

.sidebar-title-link:hover {
    color: var(--color-primary-light);
    text-shadow: 1px 1px 4px rgba(0,0,0,0.5);
}

.sidebar-close {
    position: absolute;
    top: 15px;
    right: 15px;
    background: transparent;
    border: none;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.sidebar-close:hover {
    background: rgba(255,255,255,0.1);
    transform: rotate(90deg);
}

/* Sidebar Navigation */
.sidebar-nav {
    padding: 0;
    flex: 1;
}

.sidebar-section {
    margin-bottom: 0.5rem;
}

.sidebar-section-title {
    padding: 1rem 1.5rem 0.5rem;
    margin: 0;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-gray-600);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-top: 1px solid var(--color-gray-200);
}

.sidebar-section:first-child .sidebar-section-title {
    border-top: none;
    padding-top: 1.5rem;
}

/* Sidebar Menu */
.sidebar-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-menu li {
    position: relative;
}

.sidebar-link {
    display: flex;
    align-items: center;
    padding: 0.8rem 1.5rem;
    color: var(--color-gray-700);
    text-decoration: none;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
    font-weight: 500;
}

.sidebar-link i {
    width: 20px;
    margin-right: 12px;
    font-size: 1rem;
}

.sidebar-link:hover {
    background: rgba(147, 200, 64, 0.1);
    color: var(--color-primary-dark);
    border-left-color: var(--color-primary);
    transform: translateX(4px);
}

.sidebar-link.active {
    background: var(--color-primary);
    color: var(--color-gray-800);
    border-left-color: var(--color-secondary);
    font-weight: 600;
}

.sidebar-link.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    font-style: italic;
}

.sidebar-link.disabled:hover {
    background: transparent;
    transform: none;
    border-left-color: transparent;
}

/* Submenu */
.sidebar-submenu .sidebar-arrow {
    margin-left: auto;
    transition: transform 0.3s ease;
    font-size: 0.8rem;
}

.sidebar-submenu.open .sidebar-arrow {
    transform: rotate(90deg);
}

.sidebar-submenu-items {
    list-style: none;
    padding: 0;
    margin: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background: var(--color-gray-100);
}

.sidebar-submenu.open .sidebar-submenu-items {
    max-height: 200px;
}

.sidebar-sublink {
    display: flex;
    align-items: center;
    padding: 0.6rem 1.5rem 0.6rem 2.5rem;
    color: var(--color-gray-600);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
}

.sidebar-sublink i {
    width: 16px;
    margin-right: 8px;
    font-size: 0.8rem;
}

.sidebar-sublink:hover {
    background: rgba(147, 200, 64, 0.15);
    color: var(--color-primary-dark);
    border-left-color: var(--color-primary);
}

/* Sidebar Footer */
.sidebar-footer {
    padding: 1rem 1.5rem;
    background: var(--color-gray-50);
    border-top: 1px solid var(--color-gray-200);
    margin-top: auto;
}

.sidebar-timer {
    margin-bottom: 1rem;
    text-align: center;
}

.sidebar-timer .session-timer {
    background: var(--color-primary);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    border: none;
}

.sidebar-user {
    text-align: center;
}

.sidebar-user-info {
    margin-bottom: 0.8rem;
}

.sidebar-user-info strong {
    font-size: 0.9rem;
    color: var(--color-gray-800);
}

.sidebar-logout {
    width: 100%;
    font-size: 0.85rem;
    padding: 0.5rem;
    border-radius: 8px;
}

/* Sidebar Overlay */
.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1030;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.sidebar-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Main Content Adjustments */
.main-content {
    min-height: 100vh;
    transition: margin-left 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    margin-left: 0;
}

.main-content.shifted {
    margin-left: 320px;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .main-content.shifted {
        margin-left: 0;
    }
    
    .sidebar.active + .sidebar-overlay.active ~ .main-content {
        transform: scale(0.95);
    }
}

@media (max-width: 768px) {
    .sidebar {
        width: 280px;
    }
    
    .sidebar-header {
        padding: 1rem;
    }
    
    .sidebar-logo-img,
    .sidebar-logo-fallback {
        width: 50px;
        height: 50px;
    }
    
    .sidebar-title {
        font-size: 1rem;
    }
    
    .sidebar-link {
        padding: 0.7rem 1rem;
        font-size: 0.9rem;
    }
    
    .sidebar-section-title {
        padding: 0.8rem 1rem 0.5rem;
        font-size: 0.75rem;
    }
    
    .main-content.shifted {
        margin-left: 0;
    }
}

@media (max-width: 576px) {
    .sidebar {
        width: 100vw;
    }
    
    .sidebar-toggle-btn {
        top: 15px;
        left: 15px;
        width: 45px;
        height: 45px;
    }
}

/* Animaciones adicionales */
.sidebar-section {
    animation: slideInLeft 0.3s ease-out;
}

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

/* Estados de hover mejorados */
.sidebar-link:hover i {
    transform: scale(1.1);
    color: var(--color-primary);
}

.sidebar-sublink:hover i {
    transform: scale(1.05);
    color: var(--color-primary);
}

/* Scrollbar personalizado para sidebar */
.sidebar::-webkit-scrollbar {
    width: 6px;
}

.sidebar::-webkit-scrollbar-track {
    background: var(--color-gray-100);
}

.sidebar::-webkit-scrollbar-thumb {
    background: var(--color-primary);
    border-radius: 3px;
}

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

/* ===== UTILIDADES ADICIONALES ===== */
.text-primary-custom {
    color: var(--color-primary) !important;
}

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

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

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

.border-secondary-custom {
    border-color: var(--color-secondary) !important;
}

/* Estados de focus mejorados para accesibilidad */
.btn:focus, .form-control:focus, .logo-image:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 3px;
}

/* Mejoras en el contraste */
.form-control::placeholder {
    color: #a0aec0;
}

/* Clases para elementos destacados */
.highlight-primary {
    background: linear-gradient(90deg, transparent, rgba(147, 200, 64, 0.1), transparent);
    animation: highlight 2s ease-in-out;
}

@keyframes highlight {
    0%, 100% { background: transparent; }
    50% { background: linear-gradient(90deg, transparent, rgba(147, 200, 64, 0.2), transparent); }
}

/* Footer si se necesita */
.footer {
    background: var(--gradient-main);
    color: var(--color-white);
    padding: 2rem 0;
    margin-top: 3rem;
}