/* Estilos para el visor de PDF moderno */
.modern-pdf-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modern-pdf-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.modern-pdf-container {
    position: relative;
    width: 90%;
    max-width: 1200px;
    height: 90%;
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.modern-pdf-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.modern-pdf-title {
    font-size: 18px;
    font-weight: 600;
    display: flex;
    align-items: center;
}

.modern-pdf-title::before {
    content: "📄";
    margin-right: 10px;
    font-size: 20px;
}

.modern-pdf-controls {
    display: flex;
    align-items: center;
    gap: 8px;
}

.modern-pdf-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    padding: 8px 12px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 36px;
}

.modern-pdf-btn:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-1px);
}

.modern-pdf-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.modern-pdf-close {
    background: rgba(220, 53, 69, 0.8);
    border-color: rgba(220, 53, 69, 0.8);
}

.modern-pdf-close:hover {
    background: rgba(220, 53, 69, 1);
}

.modern-pdf-page-info,
.modern-pdf-zoom-info {
    background: rgba(255, 255, 255, 0.1);
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    min-width: 60px;
    text-align: center;
}

.modern-pdf-divider {
    width: 1px;
    height: 24px;
    background: rgba(255, 255, 255, 0.2);
    margin: 0 4px;
}

.modern-pdf-content {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f8f9fa;
    position: relative;
    overflow: auto;
    padding: 20px;
}

.modern-pdf-canvas {
    max-width: 100%;
    max-height: 100%;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    border-radius: 8px;
    background: white;
}

.modern-pdf-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #6c757d;
    font-size: 16px;
}

.modern-pdf-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #e9ecef;
    border-top: 4px solid #007bff;
    border-radius: 50%;
    animation: modernPdfSpin 1s linear infinite;
    margin-bottom: 15px;
}

.modern-pdf-error {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #dc3545;
    font-size: 16px;
}

.modern-pdf-error i {
    font-size: 48px;
    margin-bottom: 15px;
    opacity: 0.7;
}

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

/* Pantalla completa */
.modern-pdf-modal:fullscreen {
    background: #000;
}

.modern-pdf-modal:fullscreen .modern-pdf-container {
    width: 100%;
    height: 100%;
    max-width: none;
    border-radius: 0;
}

.modern-pdf-modal:fullscreen .modern-pdf-content {
    background: #000;
}

/* Responsive */
@media (max-width: 768px) {
    .modern-pdf-container {
        width: 95%;
        height: 95%;
    }
    
    .modern-pdf-header {
        padding: 10px 15px;
        flex-wrap: wrap;
        gap: 10px;
    }
    
    .modern-pdf-title {
        font-size: 16px;
    }
    
    .modern-pdf-controls {
        gap: 4px;
    }
    
    .modern-pdf-btn {
        padding: 6px 8px;
        min-width: 32px;
        height: 32px;
        font-size: 12px;
    }
    
    .modern-pdf-page-info,
    .modern-pdf-zoom-info {
        padding: 6px 8px;
        font-size: 12px;
        min-width: 50px;
    }
    
    .modern-pdf-content {
        padding: 10px;
    }
}

/* Animaciones de entrada */
.modern-pdf-modal {
    animation: modernPdfFadeIn 0.3s ease-out;
}

.modern-pdf-container {
    animation: modernPdfSlideIn 0.3s ease-out;
}

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

@keyframes modernPdfSlideIn {
    from {
        transform: scale(0.9) translateY(-20px);
        opacity: 0;
    }
    to {
        transform: scale(1) translateY(0);
        opacity: 1;
    }
}