/* PDF Viewer Plugin Styles */

* {
    box-sizing: border-box;
}

.pdf-viewer-wrapper {
    display: flex;
    flex-direction: column;
    background-color: #f5f5f5;
    border-radius: 4px;
    overflow: hidden;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.pdf-viewer {
    display: flex;
    flex-direction: column;
    width: 100%;
    height: 100%;
    background: #fff;
    position: relative;
}

/* Toolbar Styles */
.pdf-viewer-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 8px 12px;
    background-color: #2c3e50;
    border-bottom: 1px solid #ecf0f1;
    min-height: 44px;
    z-index: 100;
}

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

.pdf-controls-right {
    margin-left: auto;
}

/* Button Styles */
.pdf-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 6px 12px;
    background-color: #34495e;
    color: #ecf0f1;
    border: none;
    border-radius: 3px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.2s ease;
    white-space: nowrap;
    user-select: none;
    min-height: 32px;
}

.pdf-btn:hover {
    background-color: #2980b9;
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.pdf-btn:active {
    transform: translateY(0);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.pdf-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* Page Input Styles */
.pdf-page-input {
    width: 50px;
    padding: 6px 8px;
    border: 1px solid #bdc3c7;
    border-radius: 3px;
    font-size: 13px;
    text-align: center;
    color: #2c3e50;
}

.pdf-page-input:focus {
    outline: none;
    border-color: #2980b9;
    box-shadow: 0 0 0 2px rgba(41, 128, 185, 0.1);
}

.pdf-page-count {
    color: #ecf0f1;
    font-size: 13px;
    white-space: nowrap;
}

/* Zoom Controls */
.pdf-zoom-slider {
    width: 120px;
    height: 4px;
    border-radius: 2px;
    background: #34495e;
    outline: none;
    -webkit-appearance: none;
    appearance: none;
    cursor: pointer;
}

.pdf-zoom-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: #2980b9;
    cursor: pointer;
    transition: background 0.2s ease;
}

.pdf-zoom-slider::-webkit-slider-thumb:hover {
    background: #3498db;
}

.pdf-zoom-slider::-moz-range-thumb {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: #2980b9;
    cursor: pointer;
    border: none;
    transition: background 0.2s ease;
}

.pdf-zoom-slider::-moz-range-thumb:hover {
    background: #3498db;
}

.pdf-zoom-level {
    color: #ecf0f1;
    font-size: 13px;
    min-width: 40px;
    text-align: right;
    white-space: nowrap;
}

/* Canvas Container */
.pdf-canvas-container {
    flex: 1;
    overflow: auto;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: 12px;
    background-color: #ecf0f1;
    position: relative;
}

.pdf-canvas {
    display: block;
    margin: 0 auto;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
    max-width: 100%;
    height: auto;
}

/* Loader */
.pdf-loader {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: rgba(0, 0, 0, 0.8);
    color: #fff;
    padding: 16px 32px;
    border-radius: 4px;
    font-size: 14px;
    z-index: 200;
    animation: pdf-fade-in 0.3s ease;
}

@keyframes pdf-fade-in {
    from {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
}

/* Error Message */
.pdf-viewer-error {
    padding: 20px;
    background-color: #fadbd8;
    border: 1px solid #f5b7b1;
    border-radius: 4px;
    color: #c0392b;
    font-size: 14px;
    text-align: center;
}

/* Loading Animation */
.pdf-canvas-container::before {
    content: '';
    display: none;
}

/* Responsive Design */

/* Tablet and smaller */
@media (max-width: 768px) {
    .pdf-viewer-toolbar {
        padding: 6px 8px;
        min-height: 40px;
        gap: 4px;
    }

    .pdf-btn {
        padding: 5px 8px;
        font-size: 12px;
        min-height: 30px;
    }

    .pdf-page-input {
        width: 40px;
        padding: 4px 6px;
        font-size: 12px;
    }

    .pdf-page-count {
        font-size: 12px;
    }

    .pdf-zoom-slider {
        width: 80px;
    }

    .pdf-zoom-level {
        font-size: 12px;
        min-width: 35px;
    }

    .pdf-canvas-container {
        padding: 8px;
    }
}

/* Mobile devices */
@media (max-width: 480px) {
    .pdf-viewer-wrapper {
        border-radius: 0;
    }

    .pdf-viewer-toolbar {
        padding: 4px 6px;
        min-height: 36px;
        gap: 2px;
    }

    .pdf-controls-left,
    .pdf-controls-right {
        gap: 4px;
    }

    .pdf-btn {
        padding: 4px 6px;
        font-size: 11px;
        min-height: 28px;
    }

    .pdf-page-input {
        width: 35px;
        padding: 3px 4px;
        font-size: 11px;
    }

    .pdf-page-count {
        font-size: 11px;
    }

    .pdf-zoom-slider {
        width: 60px;
    }

    .pdf-zoom-level {
        font-size: 11px;
        min-width: 30px;
    }

    .pdf-canvas-container {
        padding: 4px;
    }

    /* Stack controls vertically on very small screens */
    .pdf-controls-right {
        margin-left: 0;
        width: 100%;
        justify-content: flex-end;
    }
}

/* High DPI Displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .pdf-btn,
    .pdf-page-input {
        border-width: 1px;
    }
}

/* Fullscreen Styles */
.pdf-viewer.fullscreen {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    z-index: 999999;
    border-radius: 0;
}

.pdf-viewer.fullscreen .pdf-canvas-container {
    height: 100vh;
}

/* Print Styles */
@media print {
    .pdf-viewer-toolbar,
    .pdf-loader {
        display: none !important;
    }

    .pdf-viewer-wrapper {
        box-shadow: none;
        border-radius: 0;
    }

    .pdf-canvas {
        box-shadow: none;
        margin: 0;
        page-break-after: always;
    }
}

/* Accessibility */
.pdf-btn:focus,
.pdf-page-input:focus,
.pdf-zoom-slider:focus {
    outline: 2px solid #2980b9;
    outline-offset: 2px;
}

.pdf-btn:focus:not(:focus-visible) {
    outline: none;
}

/* Touch-friendly adjustments */
@media (hover: none) and (pointer: coarse) {
    .pdf-btn {
        min-height: 44px;
        padding: 8px 16px;
    }

    .pdf-page-input {
        height: 44px;
    }

    .pdf-zoom-slider {
        height: 6px;
    }

    .pdf-zoom-slider::-webkit-slider-thumb {
        width: 18px;
        height: 18px;
    }

    .pdf-zoom-slider::-moz-range-thumb {
        width: 18px;
        height: 18px;
    }
}