/**
 * Flipbook Viewer Styles
 * 
 * @package PDF_Flipbook_Viewer
 * @version 1.0.0
 * @author Chris Rabkin - imagePro365
 * @copyright 2026 Chris Rabkin - imagePro365
 * @license Proprietary
 */

/* Flipbook Viewer Styles */

.pdf-flipbook-header {
    margin-bottom: 20px;
    text-align: center;
}

.pdf-flipbook-title {
    margin: 0;
    padding: 0;
    font-size: 28px;
    color: #2c3e50;
    font-weight: 600;
}

.pdf-flipbook-footer {
    margin-top: 15px;
    text-align: center;
}

.pdf-flipbook-date {
    margin: 0;
    padding: 0;
    font-size: 14px;
    color: #7f8c8d;
    font-style: italic;
}

.pdf-flipbook-description {
    margin-top: 20px;
    padding: 15px;
    background: #f8f9fa;
    border-left: 4px solid #2c3e50;
    border-radius: 4px;
}

.pdf-flipbook-description p {
    margin: 0;
    color: #555;
    line-height: 1.6;
}

.pdf-flipbook-container {
    margin: 20px auto;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
}

.pdf-flipbook-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #2c3e50;
    padding: 10px 15px;
    border-radius: 4px 4px 0 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.pdf-flipbook-toolbar-left,
.pdf-flipbook-toolbar-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.pdf-flipbook-btn {
    background: #34495e;
    color: #fff;
    border: none;
    padding: 8px 12px;
    border-radius: 3px;
    cursor: pointer;
    transition: background 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: 14px;
}

.pdf-flipbook-btn:hover {
    background: #4a5f7f;
}

.pdf-flipbook-btn:active {
    background: #2c3e50;
}

.pdf-flipbook-btn .dashicons {
    width: 18px;
    height: 18px;
    font-size: 18px;
}

.pdf-flipbook-page-info {
    color: #ecf0f1;
    font-size: 14px;
    margin: 0 10px;
    white-space: nowrap;
}

.pdf-flipbook-wrapper {
    background: #34495e;
    position: relative;
    overflow: hidden;
    border-radius: 0 0 4px 4px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.pdf-flipbook-wrapper.zoomed {
    overflow: auto !important;
}

.pdf-flipbook-viewer {
    width: 100%;
    height: 100%;
    position: relative;
    background: #2c3e50;
    perspective: 2000px;
}

.pdf-flipbook-pages {
    margin: 0 !important;
    padding: 0 !important;
    box-sizing: border-box !important;
    transition: transform 0.3s ease;
}

.pdf-flipbook-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: #ecf0f1;
}

.pdf-flipbook-loading .spinner {
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 4px solid rgba(255,255,255,0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: pdf-flipbook-spin 1s linear infinite;
}

@keyframes pdf-flipbook-spin {
    to { transform: rotate(360deg); }
}

.pdf-flipbook-loading p {
    margin-top: 15px;
    font-size: 14px;
}

/* Flipbook pages */
.pdf-flipbook-viewer .page {
    background: #fff;
    box-shadow: 0 0 20px rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 !important;
    padding: 0 !important;
    border: none !important;
    box-sizing: border-box !important;
}

.pdf-flipbook-viewer .page canvas {
    max-width: 100%;
    max-height: 100%;
    width: auto !important;
    height: auto !important;
    display: block;
    margin: 0 !important;
    padding: 0 !important;
}

.pdf-flipbook-pages {
    margin: 0 !important;
    padding: 0 !important;
    box-sizing: border-box !important;
    transition: transform 0.3s ease;
}

.pdf-flipbook-pages > .page {
    margin-left: 0 !important;
    margin-right: 0 !important;
    padding-left: 0 !important;
    padding-right: 0 !important;
}

/* Override any Turn.js wrappers */
.turn-page-wrapper,
.turn-page {
    margin: 0 !important;
    padding: 0 !important;
}

/* Remove gaps between pages in spreads */
.pdf-flipbook-viewer .page.even {
    background: #fff;
    margin: 0 !important;
    padding: 0 !important;
    border: none !important;
}

.pdf-flipbook-viewer .page.odd {
    background: #fff;
    margin: 0 !important;
    padding: 0 !important;
    border: none !important;
}

/* Page shadows for spread effect */
.pdf-flipbook-viewer .page.even::after {
    content: '';
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 30px;
    background: linear-gradient(to left, rgba(0,0,0,0.2), transparent);
    pointer-events: none;
}

.pdf-flipbook-viewer .page.odd::after {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 30px;
    background: linear-gradient(to right, rgba(0,0,0,0.2), transparent);
    pointer-events: none;
}

/* Fullscreen mode */
.pdf-flipbook-container.fullscreen {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100% !important;
    max-width: 100% !important;
    margin: 0;
    z-index: 999999;
    background: #2c3e50;
}

.pdf-flipbook-container.fullscreen .pdf-flipbook-wrapper {
    height: calc(100vh - 48px) !important;
    border-radius: 0;
}

.pdf-flipbook-container.fullscreen .pdf-flipbook-toolbar {
    border-radius: 0;
}

/* Zoom controls */
.pdf-flipbook-viewer.zoomed {
    cursor: move;
}

.pdf-flipbook-viewer.zoomed .page {
    transform-origin: center center;
}

/* Responsive */
@media (max-width: 768px) {
    .pdf-flipbook-toolbar {
        padding: 8px 10px;
        flex-wrap: wrap;
    }
    
    .pdf-flipbook-btn {
        padding: 6px 10px;
        font-size: 12px;
    }
    
    .pdf-flipbook-btn .dashicons {
        width: 16px;
        height: 16px;
        font-size: 16px;
    }
    
    .pdf-flipbook-page-info {
        font-size: 12px;
        margin: 0 5px;
    }
}

@media (max-width: 480px) {
    .pdf-flipbook-toolbar-left,
    .pdf-flipbook-toolbar-right {
        gap: 4px;
    }
    
    .pdf-flipbook-btn {
        padding: 5px 8px;
    }
}

/* Modal styles */
.pdf-flipbook-modal-trigger-container {
    margin: 20px auto;
}

.pdf-flipbook-thumbnail {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-radius: 4px;
}

.pdf-flipbook-thumbnail:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 16px rgba(0,0,0,0.2);
}

.pdf-flipbook-modal {
    animation: fadeIn 0.3s;
    z-index: 9999999 !important;
}

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

.pdf-flipbook-modal-close:hover,
.pdf-flipbook-modal-close:focus {
    color: #bbb;
    text-decoration: none;
    cursor: pointer;
}

.pdf-flipbook-modal .pdf-flipbook-container {
    z-index: 9999998 !important;
    position: relative;
}

/* Page turn animation */
.pdf-flipbook-viewer .turn-page {
    box-shadow: 0 0 20px rgba(0,0,0,0.5);
}

.pdf-flipbook-viewer .grab {
    cursor: grab;
}

.pdf-flipbook-viewer .grabbing {
    cursor: grabbing;
}

/* Hard shadow for page edges */
.pdf-flipbook-viewer .shadow {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 10px;
    background: linear-gradient(to right, rgba(0,0,0,0.4), transparent);
}

.pdf-flipbook-viewer .shadow.left {
    left: 0;
}

.pdf-flipbook-viewer .shadow.right {
    right: 0;
    background: linear-gradient(to left, rgba(0,0,0,0.4), transparent);
}