/* assets/css/style.css - DISEÑO PROFESIONAL VERDE Y MORADO MEJORADO */
:root {
    --primary: #8B5FBF;      /* Morado principal */
    --primary-dark: #6D3FB0; /* Morado oscuro */
    --primary-light: #9D7BC6; /* Morado claro */
    --secondary: #10B981;    /* Verde principal */
    --secondary-dark: #059669; /* Verde oscuro */
    --secondary-light: #34D399; /* Verde claro */
    --accent: #8B5FBF;       /* Morado acento */
    --success: #10B981;      /* Verde éxito */
    --warning: #F59E0B;      /* Amarillo advertencia */
    --danger: #EF4444;       /* Rojo peligro */
    --info: #3B82F6;         /* Azul info */
    
    /* Escala de grises */
    --light: #F8FAFC;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;
    --dark: #0F172A;
    
    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Bordes redondeados */
    --radius-sm: 0.25rem;
    --radius: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    
    /* Transiciones */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, var(--light) 0%, #F0F4F8 100%);
    color: var(--gray-800);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* ===== HEADER PROFESIONAL ===== */
.header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    padding: 1rem 2rem;
    box-shadow: var(--shadow-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 4px solid var(--secondary);
}

.header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    color: white;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.header h1::before {
    content: "🔐";
    font-size: 2rem;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

/* ===== NAVEGACIÓN PROFESIONAL ===== */
.nav {
    background: linear-gradient(135deg, var(--gray-800) 0%, var(--dark) 100%);
    color: white;
    padding: 0;
    position: relative;
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
}

.nav-brand {
    color: white;
    font-weight: 700;
    font-size: 1.25rem;
    text-decoration: none;
    padding: 1rem 0;
    display: none;
}

.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-item {
    position: relative;
}

.nav-link {
    color: white;
    text-decoration: none;
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
    border-bottom: 3px solid transparent;
    font-weight: 500;
    position: relative;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    transition: left 0.5s;
}

.nav-link:hover::before {
    left: 100%;
}

.nav-link:hover, 
.nav-link.active {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    border-bottom-color: var(--secondary);
    transform: translateY(-2px);
}

.nav-link.active {
    box-shadow: inset 0 -2px 0 var(--secondary);
}

/* ===== DROPDOWN MENU MEJORADO ===== */
.dropdown {
    position: relative;
}

.dropdown-toggle::after {
    content: "▼";
    font-size: 0.7rem;
    margin-left: 0.5rem;
    transition: var(--transition);
}

.dropdown:hover .dropdown-toggle::after {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    min-width: 220px;
    box-shadow: var(--shadow-xl);
    border-radius: var(--radius-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    z-index: 1001;
    border: 1px solid var(--gray-200);
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    color: var(--gray-700);
    text-decoration: none;
    padding: 0.875rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border-bottom: 1px solid var(--gray-100);
    transition: var(--transition-fast);
    font-weight: 500;
}

.dropdown-item:hover {
    background: linear-gradient(135deg, var(--secondary-light) 0%, var(--secondary) 100%);
    color: white;
    transform: translateX(5px);
}

.dropdown-item:last-child {
    border-bottom: none;
    border-radius: 0 0 var(--radius-md) var(--radius-md);
}

.dropdown-item:first-child {
    border-radius: var(--radius-md) var(--radius-md) 0 0;
}

/* ===== BOTÓN MENÚ MÓVIL ===== */
.menu-toggle {
    display: none;
    background: none;
    border: 2px solid rgba(255,255,255,0.3);
    color: white;
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--radius);
    transition: var(--transition);
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
}

.menu-toggle:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.5);
}

.menu-icon, .close-icon {
    transition: var(--transition);
}

.menu-toggle.active .menu-icon {
    opacity: 0;
    transform: rotate(90deg);
}

.menu-toggle.active .close-icon {
    opacity: 1;
    transform: rotate(0);
}

.close-icon {
    opacity: 0;
    position: absolute;
    transform: rotate(-90deg);
}

/* ===== LAYOUT PRINCIPAL ===== */
.container {
    padding: 2rem;
    max-width: 1400px;
    margin: 0 auto;
    min-height: calc(100vh - 140px);
}

/* ===== TARJETAS MODERNAS ===== */
.card {
    background: white;
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    margin-bottom: 2rem;
    border: 1px solid var(--gray-200);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--primary) 0%, var(--secondary) 100%);
}

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

.card h2, .card h3 {
    color: var(--primary-dark);
    margin-bottom: 1.5rem;
    font-weight: 700;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* ===== BOTONES MEJORADOS ===== */
.btn {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 0.875rem 1.75rem;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
    flex-shrink: 0;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

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

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: white;
    text-decoration: none;
}

.btn:active {
    transform: translateY(0);
}

.btn-sm {
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
    border-radius: var(--radius);
}

.btn-lg {
    padding: 1.125rem 2.25rem;
    font-size: 1.125rem;
    border-radius: var(--radius-xl);
}

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

.btn-warning {
    background: linear-gradient(135deg, var(--warning) 0%, #D97706 100%);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger) 0%, #DC2626 100%);
}

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

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
    box-shadow: none;
}

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

/* ===== FORMULARIOS MEJORADOS ===== */
.form-group {
    margin-bottom: 1.75rem;
}

.form-label {
    display: block;
    margin-bottom: 0.75rem;
    font-weight: 600;
    color: var(--gray-700);
    font-size: 0.95rem;
}

.form-control {
    width: 100%;
    padding: 1rem 1.25rem;
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-lg);
    font-size: 1rem;
    transition: var(--transition);
    background: white;
    font-family: inherit;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(139, 95, 191, 0.1);
    transform: translateY(-1px);
}

.form-control::placeholder {
    color: var(--gray-400);
}

/* ===== TABLAS MEJORADAS ===== */
.table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1.5rem;
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
}

.table th, .table td {
    padding: 1.25rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
}

.table th {
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--gray-100) 100%);
    font-weight: 700;
    color: var(--gray-700);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.table tbody tr:hover {
    background: linear-gradient(135deg, var(--secondary-light) 0.5%, transparent 50%);
    transform: translateX(5px);
}

/* ===== ALERTAS MEJORADAS ===== */
.alert {
    padding: 1.25rem 1.75rem;
    border-radius: var(--radius-lg);
    margin-bottom: 1.75rem;
    border-left: 5px solid;
    box-shadow: var(--shadow-sm);
    font-weight: 500;
}

.alert-success {
    background: linear-gradient(135deg, #F0FDF4 0%, #DCFCE7 100%);
    border-color: var(--success);
    color: #065F46;
}

.alert-error {
    background: linear-gradient(135deg, #FEF2F2 0%, #FEE2E2 100%);
    border-color: var(--danger);
    color: #991B1B;
}

.alert-warning {
    background: linear-gradient(135deg, #FFFBEB 0%, #FEF3C7 100%);
    border-color: var(--warning);
    color: #92400E;
}

.alert-info {
    background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
    border-color: var(--info);
    color: #1E40AF;
}

/* ===== ESTADÍSTICAS MEJORADAS ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 2.5rem;
}

.stat-card {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    padding: 2.5rem 2rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    transform: rotate(30deg);
}

.stat-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 0.75rem;
    display: block;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
}

.stat-label {
    font-size: 1rem;
    opacity: 0.95;
    font-weight: 600;
    position: relative;
    z-index: 2;
}

/* ===== RESULTADOS DE VALIDACIÓN ===== */
.validation-result {
    background: linear-gradient(135deg, var(--gray-50) 0%, white 100%);
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    margin-top: 2rem;
    border-left: 5px solid var(--success);
    box-shadow: var(--shadow-md);
}

.result-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.result-item {
    padding: 2rem;
    background: white;
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.result-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.result-item h4 {
    color: var(--primary);
    margin-bottom: 1.25rem;
    border-bottom: 2px solid var(--gray-200);
    padding-bottom: 0.75rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* ===== BADGES MEJORADOS ===== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    gap: 0.375rem;
    box-shadow: var(--shadow-sm);
    white-space: nowrap;
}

.badge-success {
    background: linear-gradient(135deg, var(--success) 0%, var(--secondary-dark) 100%);
    color: white;
}

.badge-warning {
    background: linear-gradient(135deg, var(--warning) 0%, #D97706 100%);
    color: white;
}

.badge-danger {
    background: linear-gradient(135deg, var(--danger) 0%, #DC2626 100%);
    color: white;
}

.badge-info {
    background: linear-gradient(135deg, var(--info) 0%, #2563EB 100%);
    color: white;
}

/* ===== PÁGINA DE LOGIN MEJORADA ===== */
.login-page {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    position: relative;
    overflow: hidden;
}

.login-page::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.login-container {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    padding: 3.5rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 480px;
    position: relative;
    z-index: 2;
    border: 1px solid rgba(255,255,255,0.2);
}

.login-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.login-header h1 {
    color: var(--primary-dark);
    margin-bottom: 0.75rem;
    font-size: 2.5rem;
    font-weight: 800;
}

.login-header p {
    color: var(--gray-600);
    font-size: 1.1rem;
}

/* ===== INFORMACIÓN DE USUARIO ===== */
.user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: rgba(255,255,255,0.1);
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
    flex-wrap: wrap;
}

.user-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    box-shadow: var(--shadow-md);
}

/* ===== BOTÓN COPIAR ===== */
.copy-btn {
    background: linear-gradient(135deg, var(--gray-500) 0%, var(--gray-600) 100%);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 600;
    transition: var(--transition);
    margin-left: 0.5rem;
    white-space: nowrap;
}

.copy-btn:hover {
    background: linear-gradient(135deg, var(--gray-600) 0%, var(--gray-700) 100%);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.copy-btn:active {
    transform: translateY(0);
}

/* ===== MENSAJES TEMPORALES ===== */
.temp-message {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    min-width: 300px;
    animation: slideInRight 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 1.25rem 1.5rem;
    border-radius: var(--radius-lg);
    font-weight: 600;
    box-shadow: var(--shadow-xl);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
}

.temp-message.success {
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    color: white;
}

.temp-message.error {
    background: linear-gradient(135deg, #EF4444 0%, #DC2626 100%);
    color: white;
}

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

/* ===== ESTADOS DE LICENCIA ===== */
.status-badge {
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: var(--shadow-sm);
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.status-active {
    background: linear-gradient(135deg, var(--success) 0%, var(--secondary-dark) 100%);
    color: white;
}

.status-inactive {
    background: linear-gradient(135deg, var(--danger) 0%, #DC2626 100%);
    color: white;
}

/* ===== BOTONES DE ACCIÓN MEJORADOS ===== */
.action-buttons {
    display: flex;
    gap: 0.5rem;
    flex-wrap: nowrap;
    justify-content: center;
}

.toggle-license {
    white-space: nowrap;
    min-width: 100px;
    padding: 0.5rem 0.75rem !important;
    font-size: 0.75rem !important;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    flex-shrink: 0;
}

/* Asegurar que las celdas de la tabla tengan suficiente espacio */
.table td:last-child {
    min-width: 120px;
    width: 120px;
}

/* ===== CLASES UTILITARIAS ===== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.p-0 { padding: 0; }
.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }

.d-flex { display: flex; }
.d-grid { display: grid; }
.d-none { display: none; }
.d-block { display: block; }
.d-inline { display: inline; }
.d-inline-block { display: inline-block; }

.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.align-center { align-items: center; }
.flex-wrap { flex-wrap: wrap; }

.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }
.gap-4 { gap: 2rem; }

.w-100 { width: 100%; }
.h-100 { height: 100%; }

/* ===== DISEÑO RESPONSIVO ===== */
@media (max-width: 1024px) {
    .container {
        padding: 1.5rem;
    }
    
    .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 1.5rem;
    }
    
    .result-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .header {
        padding: 1rem 1.5rem;
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .nav-container {
        padding: 0 1rem;
        flex-direction: column;
        align-items: stretch;
    }
    
    .nav-brand {
        display: block;
        text-align: center;
    }
    
    .menu-toggle {
        display: flex;
        position: absolute;
        right: 1rem;
        top: 50%;
        transform: translateY(-50%);
    }
    
    .nav-menu {
        display: none;
        flex-direction: column;
        width: 100%;
        background: var(--gray-800);
        border-radius: var(--radius-lg);
        margin-top: 0.5rem;
        box-shadow: var(--shadow-lg);
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-item {
        width: 100%;
    }
    
    .nav-link {
        padding: 1rem 1.5rem;
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }
    
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background: var(--gray-700);
        margin-left: 1rem;
        border: none;
    }
    
    .dropdown-item {
        color: white;
        border-bottom-color: rgba(255,255,255,0.1);
    }
    
    .container {
        padding: 1rem;
    }
    
    .card {
        padding: 1.75rem;
        margin-bottom: 1.5rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .login-container {
        padding: 2.5rem 2rem;
        margin: 1rem;
    }
    
    .user-info {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
    
    /* Mejoras para tablas en móviles */
    .table-responsive {
        border: 1px solid var(--gray-200);
        border-radius: var(--radius);
        overflow-x: auto;
    }
    
    .table {
        min-width: 800px;
        font-size: 0.8rem;
    }
    
    .table th,
    .table td {
        padding: 0.75rem 0.5rem;
    }
    
    /* Botones más compactos en móviles */
    .action-buttons {
        gap: 0.25rem;
    }
    
    .toggle-license {
        min-width: 90px;
        padding: 0.375rem 0.5rem !important;
        font-size: 0.7rem !important;
    }
    
    .table td:last-child {
        min-width: 110px;
        width: 110px;
        position: sticky;
        right: 0;
        background: white;
        box-shadow: -2px 0 5px rgba(0,0,0,0.1);
    }
}

@media (max-width: 480px) {
    .header h1 {
        font-size: 1.5rem;
    }
    
    .card {
        padding: 1.5rem;
    }
    
    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.9rem;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .login-container {
        padding: 2rem 1.5rem;
    }
    
    .table {
        font-size: 0.75rem;
    }
    
    .table th, .table td {
        padding: 0.625rem 0.375rem;
    }
    
    /* Aún más compacto para pantallas muy pequeñas */
    .toggle-license {
        min-width: 85px;
        padding: 0.25rem 0.375rem !important;
        font-size: 0.65rem !important;
    }
    
    .table td:last-child {
        min-width: 100px;
        width: 100px;
    }
}

/* ===== ANIMACIONES ===== */
.fade-in {
    animation: fadeIn 0.6s ease-in;
}

.slide-up {
    animation: slideUp 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

/* ===== ESTILOS PARA BOTONES DESHABILITADOS ===== */
.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

.btn:disabled:hover {
    transform: none !important;
    box-shadow: var(--shadow-sm) !important;
}

/* ===== ESTILOS PARA IMPRESIÓN ===== */
@media print {
    .nav, .btn, .menu-toggle, .user-info {
        display: none !important;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #000;
        break-inside: avoid;
    }
    
    .header {
        background: white !important;
        color: black !important;
        border-bottom: 2px solid #000;
    }
}