/* PDF Viewer Mobile - Estilos responsivos para visualização de PDF */

/* Container principal do visualizador */
#pdfViewerContainer, 
#pdfViewerContainerMaterial {
    width: 100%;
    max-width: 100%;
    height: 70vh;
    overflow: auto;
    -webkit-overflow-scrolling: touch;
    position: relative;
    background: #f5f5f5;
    box-sizing: border-box;
}

/* Wrapper interno do conteúdo */
#pdf-content-wrapper,
#pdf-transform-wrapper {
    transform-origin: 0 0;
    transition: none;
    min-height: 100%;
    position: relative;
}

/* Páginas do PDF - Renderização de alta qualidade */
.pdf-page, canvas {
    display: block;
    margin: 0 auto 20px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    background: white;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    
    /* Otimizações para nitidez de documentos */
    image-rendering: optimizeQuality;
    image-rendering: -webkit-optimize-contrast;
    -ms-interpolation-mode: bicubic;
    
    /* Remove blur em transforms */
    -webkit-backface-visibility: hidden;
    -moz-backface-visibility: hidden;
    backface-visibility: hidden;
    
    -webkit-transform: translate3d(0, 0, 0);
    -moz-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
}

/* Força renderização de alta qualidade no wrapper */
#pdf-transform-wrapper {
    -webkit-font-smoothing: subpixel-antialiased;
    -moz-osx-font-smoothing: auto;
    text-rendering: optimizeLegibility;
    
    /* GPU acceleration */
    will-change: transform;
    transform: translateZ(0);
    -webkit-transform: translateZ(0);
}

/* Controles de zoom */
.zoom-controls {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(255, 255, 255, 0.95);
    padding: 10px 15px;
    border-radius: 25px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.15);
    z-index: 1000;
    display: flex;
    gap: 10px;
    align-items: center;
    backdrop-filter: blur(10px);
}

.zoom-controls button {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background: #007bff;
    color: white;
    font-size: 20px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.zoom-controls button:hover {
    background: #0056b3;
    transform: scale(1.05);
}

.zoom-controls button:active {
    transform: scale(0.95);
}

.zoom-controls .zoom-level {
    padding: 0 10px;
    min-width: 60px;
    text-align: center;
    font-weight: 500;
    color: #333;
}

/* Modal para PDF em tela cheia */
.pdf-modal-fullscreen .modal-dialog {
    max-width: 100%;
    margin: 0;
    height: 100vh;
}

.pdf-modal-fullscreen .modal-content {
    height: 100vh;
    border-radius: 0;
}

.pdf-modal-fullscreen .modal-body {
    padding: 0;
    height: 100%;
    display: flex;
    flex-direction: column;
}

/* Loading indicator */
#loading-indicator,
#loading-indicator-material {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    z-index: 200;
    background: rgba(255, 255, 255, 0.9);
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.spinner-border {
    width: 3rem;
    height: 3rem;
    border-width: 0.3em;
}

/* Responsividade para tablets */
@media (max-width: 1024px) and (min-width: 769px) {
    #pdfViewerContainer,
    #pdfViewerContainerMaterial {
        height: 75vh;
    }
    
    .zoom-controls {
        bottom: 15px;
        padding: 10px 12px;
    }
    
    .zoom-controls button {
        width: 38px;
        height: 38px;
        font-size: 19px;
    }
}

/* Responsividade para mobile */
@media (max-width: 768px) {
    #pdfViewerContainer,
    #pdfViewerContainerMaterial {
        height: calc(100vh - 80px);
        padding: 5px;
    }
    
    .zoom-controls {
        bottom: 10px;
        padding: 8px 12px;
        width: auto;
        max-width: 90%;
    }
    
    .zoom-controls button {
        width: 35px;
        height: 35px;
        font-size: 18px;
    }
    
    .zoom-controls .zoom-level {
        min-width: 50px;
        padding: 0 8px;
        font-size: 14px;
    }
    
    /* Modal em tela cheia no mobile */
    .modal-content {
        margin: 0;
        height: 100vh;
        max-height: 100vh;
        border-radius: 0;
    }
    
    .modal-body {
        padding: 0;
        height: 100vh;
        display: flex;
        flex-direction: column;
    }
    
    .modal-dialog {
        margin: 0;
        max-width: 100%;
        height: 100%;
    }
    
    .modal.fade .modal-dialog {
        transform: none;
    }
    
    /* Ajustes para PDF páginas */
    .pdf-page {
        margin-bottom: 15px;
    }
}

/* Responsividade para mobile pequeno */
@media (max-width: 480px) {
    .zoom-controls {
        bottom: 5px;
        padding: 6px 10px;
        gap: 8px;
    }
    
    .zoom-controls button {
        width: 32px;
        height: 32px;
        font-size: 16px;
    }
    
    .zoom-controls .zoom-level {
        min-width: 45px;
        font-size: 13px;
    }
    
    #pdfViewerContainer,
    #pdfViewerContainerMaterial {
        height: calc(100vh - 60px);
    }
}

/* Suporte para notch do iPhone */
@supports (padding: max(0px)) {
    .modal-body {
        padding-top: max(0px, env(safe-area-inset-top));
        padding-bottom: max(0px, env(safe-area-inset-bottom));
    }
    
    .zoom-controls {
        bottom: max(10px, env(safe-area-inset-bottom));
    }
}

/* Melhorias de acessibilidade */
@media (prefers-reduced-motion: reduce) {
    #pdf-content-wrapper {
        transition: none;
    }
    
    .zoom-controls button {
        transition: none;
    }
}

/* Tema escuro (opcional) */
@media (prefers-color-scheme: dark) {
    #pdfViewerContainer,
    #pdfViewerContainerMaterial {
        background: #2d2d2d;
    }
    
    .zoom-controls {
        background: rgba(50, 50, 50, 0.95);
    }
    
    .zoom-controls .zoom-level {
        color: #f0f0f0;
    }
    
    #loading-indicator,
    #loading-indicator-material {
        background: rgba(50, 50, 50, 0.9);
        color: #f0f0f0;
    }
}

/* Animações suaves */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.pdf-page {
    animation: fadeIn 0.3s ease-out;
}

/* Indicador de touch/gesture */
.touch-indicator {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 15px 25px;
    border-radius: 20px;
    font-size: 14px;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s;
    z-index: 2000;
}

.touch-indicator.show {
    opacity: 1;
}

/* Melhorias de performance */
.pdf-page {
    will-change: transform;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

#pdf-content-wrapper {
    will-change: transform;
}