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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 900px;
    margin: 0 auto;
}

.app-header {
    text-align: center;
    margin-bottom: 3rem;
    color: white;
}

.app-header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    font-weight: 300;
}

.app-header p {
    font-size: 1.1rem;
    opacity: 0.9;
}

.main-content {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.input-section {
    margin-bottom: 2rem;
}

.input-section label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #333;
}

.input-section textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid #e1e5e9;
    border-radius: 8px;
    font-size: 1rem;
    resize: vertical;
    margin-bottom: 1rem;
    transition: border-color 0.3s;
    font-family: inherit;
}

.input-section textarea:focus {
    outline: none;
    border-color: #667eea;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-size: 1rem;
    cursor: pointer;
    width: 100%;
    transition: transform 0.2s;
}

.btn-primary:hover {
    transform: translateY(-2px);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.loading {
    text-align: center;
    padding: 2rem;
}

.spinner {
    border: 4px solid #f3f3f3;
    border-top: 4px solid #667eea;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

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

.resultado-section {
    background: #f8f9fa;
    border-radius: 10px;
    padding: 1.5rem;
    border-left: 4px solid #667eea;
}

.resultado-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.resultado-header h3 {
    color: #333;
}

.botones-accion {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.btn-copiar, .btn-compartir {
    background: #6c757d;
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.2s;
    font-size: 14px;
}

.btn-copiar:hover {
    background: #5a6268;
}

.btn-compartir {
    background: #25D366; /* Color verde de WhatsApp */
}

.btn-compartir:hover {
    background: #1da851;
}


.informe-contenido {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid #e1e5e9;
}

.informe-contenido pre {
    white-space: pre-wrap;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
}

.hidden {
    display: none;
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
    
    .main-content {
        padding: 1rem;
    }
    
    .resultado-header {
        flex-direction: column;
        align-items: stretch;
    }
    
   /* Responsive */
@media (max-width: 768px) {
    .botones-accion {
        flex-direction: column;
        width: 100%;
    }
    
    .btn-copiar, .btn-compartir {
        width: 100%;
    }
}