/* Advanced PDF Viewer Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.advanced-pdf-viewer-container {
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    overflow: hidden;
    position: relative;
    max-width: 100%;
    margin: 0 auto;
}

.pdf-toolbar {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 15px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    position: relative;
    z-index: 10;
}

.toolbar-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.toolbar-button {
    background: rgba(255,255,255,0.2);
    border: none;
    color: white;
    padding: 8px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 5px;
}

.toolbar-button:hover {
    background: rgba(255,255,255,0.3);
    transform: translateY(-1px);
}

.toolbar-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.toolbar-input {
    background: rgba(255,255,255,0.9);
    border: none;
    padding: 8px 12px;
    border-radius: 6px;
    width: 80px;
    text-align: center;
    font-size: 14px;
}

.toolbar-label {
    color: white;
    font-size: 14px;
    font-weight: 500;
}

.pdf-content {
    position: relative;
    background: #f8f9fa;
    overflow: hidden;
}

.pdf-canvas-container {
    display: flex;
    justify-content: center;
    align-items: center;
/*     padding: 20px; */
    overflow: auto;
    transition: all 0.3s ease;
	min-height:100%;
    max-height: inherit;
}

.pdf-canvas {
    border: 1px solid #ddd;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    background: white;
    max-width: 100%;
    height: auto;
    transition: all 0.3s ease;
    display: block;
}

.size-controls {
    background: white;
    padding: 15px 20px;
    border-top: 1px solid #e9ecef;
    display: flex;
    gap: 15px;
    align-items: center;
    flex-wrap: wrap;
    position: relative;
    z-index: 10;
}

.size-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.size-input {
    width: 80px;
    padding: 6px 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
    text-align: center;
}

.apply-size-btn {
    background: #28a745;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
}

.apply-size-btn:hover {
    background: #218838;
    transform: translateY(-1px);
}

.file-input-container {
    text-align: center;
    padding: 40px 20px;
}

.input-options {
    display: flex;
    flex-direction: column;
    gap: 20px;
    align-items: center;
    max-width: 500px;
    margin: 0 auto;
}

.input-option {
    width: 100%;
}

.input-separator {
    color: #666;
    font-weight: 500;
    position: relative;
    padding: 0 20px;
}

.input-separator::before,
.input-separator::after {
    content: "";
    position: absolute;
    top: 50%;
    width: 80px;
    height: 1px;
    background: #ddd;
}

.input-separator::before {
    left: -100px;
}

.input-separator::after {
    right: -100px;
}

.file-input-label {
    display: inline-block;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 12px 24px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
    width: 100%;
    max-width: 200px;
}

.file-input-label:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.file-input {
    display: none;
}

.url-input-group {
    display: flex;
    gap: 10px;
    align-items: center;
    width: 100%;
}

.url-input {
    flex: 1;
    padding: 12px 16px;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.3s ease;
    min-width: 0;
}

.url-input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.url-load-btn {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.url-load-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(40, 167, 69, 0.3);
}

.url-load-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.loading {
    text-align: center;
    padding: 40px;
    color: #666;
}

.error {
    text-align: center;
    padding: 40px;
    color: #dc3545;
    background: #f8d7da;
    border: 1px solid #f5c6cb;
    border-radius: 8px;
    margin: 20px;
}

/* Fullscreen styles */
.advanced-pdf-viewer-container.fullscreen {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    width: 100vw !important;
    height: 100vh !important;
    z-index: 9999;
    border-radius: 0;
    max-width: none !important;
    display: flex;
    flex-direction: column;
}

.advanced-pdf-viewer-container.fullscreen .pdf-content {
    flex: 1;
    height: 100% !important;
    min-height: 0;
    display: flex;
    flex-direction: column;
}

.advanced-pdf-viewer-container.fullscreen .pdf-canvas-container {
    flex: 1;
    height: auto;
    min-height: 0;
    max-height: none;
    overflow: auto;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.advanced-pdf-viewer-container.fullscreen .pdf-canvas {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
}

.advanced-pdf-viewer-container.fullscreen .size-controls {
    flex-shrink: 0;
}

/* Scrollbar styles */
.pdf-canvas-container::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}

.pdf-canvas-container::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 6px;
}

.pdf-canvas-container::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 6px;
}

.pdf-canvas-container::-webkit-scrollbar-thumb:hover {
    background: #555;
}

.pdf-canvas-container::-webkit-scrollbar-corner {
    background: #f1f1f1;
}

/* Responsive design */
@media (max-width: 768px) {
    .pdf-toolbar {
        flex-direction: column;
        gap: 15px;
    }

    .toolbar-group {
        justify-content: center;
    }

    .size-controls {
        flex-direction: column;
        gap: 10px;
    }

    .url-input-group {
        flex-direction: column;
    }

    .url-input {
        width: 100%;
    }

    .input-separator::before,
    .input-separator::after {
        width: 50px;
    }

    .input-separator::before {
        left: -70px;
    }

    .input-separator::after {
        right: -70px;
    }
    
    .advanced-pdf-viewer-container.fullscreen .pdf-canvas-container {
        padding: 10px;
    }
}

/* Icons using CSS */
.icon-prev::before { content: "◀"; }
.icon-next::before { content: "▶"; }
.icon-fullscreen::before { content: "⛶"; }
.icon-zoom-in::before { content: "+"; }
.icon-zoom-out::before { content: "−"; }
.icon-fit::before { content: "⊡"; }