/* styles.css - Estilos personalizados */
:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --success-color: #27ae60;
    --light-bg: #f8f9fa;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

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

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

.container-principal {
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
}

/* Tarjetas */
.card-elegante {
    background: white;
    border-radius: 20px;
    padding: 40px 30px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    border: none;
    animation: slideUp 0.5s ease;
}

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

.logo-container {
    text-align: center;
    margin-bottom: 30px;
}

.logo-container img {
    max-height: 80px;
    width: auto;
    margin-bottom: 15px;
}

.logo-container h2 {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 1.8rem;
    margin: 0;
}

.logo-container p {
    color: #7f8c8d;
    font-size: 0.95rem;
}

/* Formularios */
.form-control {
    border-radius: 12px;
    padding: 12px 16px;
    border: 2px solid #e0e0e0;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.form-control:focus {
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 0.2rem rgba(52, 152, 219, 0.25);
}

.form-label {
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    padding: 12px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    width: 100%;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
}

.btn-success {
    background: linear-gradient(135deg, #27ae60 0%, #2ecc71 100%);
    border: none;
    padding: 10px 20px;
    border-radius: 12px;
    font-weight: 600;
}

.btn-danger {
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
    border: none;
}

/* Checkbox personalizado */
.form-check-input:checked {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
}

.form-check-label {
    color: #555;
    font-size: 0.95rem;
}

/* Alertas */
.alert {
    border-radius: 12px;
    border: none;
    padding: 15px;
}

/* Documentos */
.documento-item {
    background: var(--light-bg);
    border-radius: 12px;
    padding: 15px 20px;
    margin-bottom: 12px;
    border-left: 4px solid var(--secondary-color);
    transition: all 0.3s ease;
}

.documento-item:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow);
}

.documento-item .titulo {
    font-weight: 600;
    color: var(--primary-color);
}

.documento-item .fecha {
    color: #7f8c8d;
    font-size: 0.85rem;
}

/* Visor PDF */
.visor-pdf {
    width: 100%;
    height: 600px;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    background: white;
}

.visor-pdf iframe {
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 12px;
}

/* Responsive */
@media (max-width: 576px) {
    .card-elegante {
        padding: 25px 20px;
    }
    
    .logo-container h2 {
        font-size: 1.5rem;
    }
    
    .visor-pdf {
        height: 400px;
    }
}

/* Estilos para el panel de operador */
.panel-operador {
    max-width: 900px;
}

.header-operador {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid #e0e0e0;
}

.header-operador h2 {
    color: var(--primary-color);
    margin: 0;
}

.badge-operador {
    background: var(--secondary-color);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.85rem;
}

/* Estilos para la tabla de documentos en panel operador */
.table-documentos {
    background: white;
    border-radius: 12px;
    overflow: hidden;
}

.table-documentos th {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 15px;
}

.table-documentos td {
    padding: 12px 15px;
    vertical-align: middle;
}

/* Spinner de carga */
.spinner-custom {
    display: none;
    text-align: center;
    padding: 20px;
}

/* ============================================
   PROTECCIONES PARA PDF
   ============================================ */

/* Prevenir selección en toda la página */
body {
    user-select: none !important;
    -webkit-user-select: none !important;
    -moz-user-select: none !important;
    -ms-user-select: none !important;
}

/* Prevenir arrastre de imágenes y enlaces */
img, a, iframe {
    -webkit-user-drag: none !important;
    user-drag: none !important;
}

/* Estilo para el visor con protección */
.visor-pdf {
    position: relative;
    background: #f5f5f5;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.visor-pdf iframe {
    display: block;
    width: 100%;
    border: none;
    pointer-events: auto;
}

/* Overlay de protección */
.visor-pdf::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 5;
    background: transparent;
    pointer-events: none;
}

/* Mensaje de agua */
.protector-overlay {
    position: absolute;
    bottom: 15px;
    right: 15px;
    background: rgba(0, 0, 0, 0.6);
    color: rgba(255, 255, 255, 0.8);
    padding: 4px 15px;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    z-index: 10;
    pointer-events: none;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    border: 1px solid rgba(255,255,255,0.1);
    user-select: none;
    -webkit-user-select: none;
}

/* Alertas de protección */
.alert-proteccion {
    border-left: 5px solid #dc3545 !important;
    background: #fff5f5 !important;
}

.alert-proteccion .d-flex {
    gap: 10px;
}

/* Ocultar botones de descarga nativos en PDF (algunos navegadores) */
object[type="application/pdf"], 
embed[type="application/pdf"] {
    pointer-events: none;
}

/* Para PDF.js si se usa */
.pdfViewer .toolbar {
    display: none !important;
}

/* Prevenir que se pueda hacer clic en el borde del iframe */
.visor-pdf iframe {
    position: relative;
    z-index: 1;
}

/* Estilo para dispositivos móviles */
@media (max-width: 768px) {
    .visor-pdf iframe {
        height: 400px !important;
    }
    
    .protector-overlay {
        font-size: 0.6rem;
        padding: 3px 12px;
        bottom: 10px;
        right: 10px;
    }
}

/* Bloquear selección de texto en toda la interfaz */
* {
    -webkit-touch-callout: none !important;
    -webkit-user-select: none !important;
    -khtml-user-select: none !important;
    -moz-user-select: none !important;
    -ms-user-select: none !important;
    user-select: none !important;
}

/* Permitir solo selección en inputs y textareas */
input, textarea, select {
    -webkit-user-select: text !important;
    -moz-user-select: text !important;
    -ms-user-select: text !important;
    user-select: text !important;
}