feat: add zoom control with accessibility and persistence
UI Components: - Fixed bottom-center zoom slider (50%-200% range, step 5%) - Modern glass-morphism design with gradient slider track - Reset button with smooth rotation animation - Real-time zoom percentage display - Fully responsive (desktop/tablet/mobile) Functionality: - CSS transform-based zoom (GPU accelerated) - localStorage persistence across sessions - Keyboard shortcuts: Ctrl/Cmd +/-/0 - Smooth transitions with debouncing (50ms) - Scroll position preservation during zoom - Print mode: Temporarily resets to 100% Accessibility (WCAG AA): - Complete ARIA labels and live regions - Keyboard navigation support - Focus indicators on all interactive elements - Screen reader compatible (announces zoom level) - Touch-friendly (44px+ targets) Integration: - Follows existing toggle patterns (length, logos, theme) - Initializes in initPreferences() - Works with print-friendly mode - Hidden in print (.no-print class) - Bilingual support (English/Spanish) Performance: - will-change: transform for compositor layer - Debounced slider input for smooth dragging - requestAnimationFrame for scroll preservation - No layout thrashing (transform-only changes) Technical Details: - Range: 50-200 (prevents unusability, allows 2x mag) - Transform origin: top center (maintains alignment) - Transition: 300ms cubic-bezier (material design) - Storage key: 'cv-zoom' - Default: 100% (normal view)
This commit is contained in:
juanatsap
@@ -549,6 +549,11 @@ iconify-icon {
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position: relative;
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display: block; /* Changed from grid to block for stacking pages */
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min-height: auto; /* Changed from 100vh */
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/* Zoom transform properties */
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transform-origin: top center; /* Scale from top-center to maintain header alignment */
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transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1); /* Smooth material-design easing */
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will-change: transform; /* Hint browser to optimize for transforms */
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}
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/* Page break helpers */
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@@ -3456,3 +3461,282 @@ html {
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opacity: 1;
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}
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}
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/* ==========================================================================
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ZOOM CONTROL - Fixed Bottom Center
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========================================================================== */
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.zoom-control {
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position: fixed;
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bottom: 20px;
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left: 50%;
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transform: translateX(-50%);
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z-index: 900;
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display: flex;
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align-items: center;
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gap: 1rem;
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padding: 0.75rem 1.5rem;
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background: rgba(43, 43, 43, 0.95);
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backdrop-filter: blur(10px);
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-webkit-backdrop-filter: blur(10px);
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border-radius: 50px;
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box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
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transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
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font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
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}
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.zoom-control:hover {
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background: rgba(43, 43, 43, 0.98);
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box-shadow: 0 6px 25px rgba(0, 0, 0, 0.4);
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}
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/* Zoom Label with Icon */
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.zoom-label {
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display: flex;
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align-items: center;
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gap: 0.5rem;
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color: white;
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font-size: 0.9rem;
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font-weight: 500;
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cursor: pointer;
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margin: 0;
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}
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.zoom-label iconify-icon {
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color: var(--accent-blue);
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flex-shrink: 0;
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}
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/* Screen Reader Only Text */
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.sr-only {
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position: absolute;
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width: 1px;
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height: 1px;
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padding: 0;
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margin: -1px;
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overflow: hidden;
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clip: rect(0, 0, 0, 0);
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white-space: nowrap;
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border-width: 0;
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}
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/* Slider Container */
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.zoom-slider-container {
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display: flex;
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align-items: center;
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gap: 0.75rem;
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}
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/* Zoom Values (Labels) */
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.zoom-value {
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color: rgba(255, 255, 255, 0.7);
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font-size: 0.85rem;
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font-weight: 500;
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min-width: 40px;
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text-align: center;
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}
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.zoom-value-current {
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color: white;
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font-weight: 600;
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font-size: 0.95rem;
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}
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/* Range Slider Styling */
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.zoom-slider {
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-webkit-appearance: none;
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appearance: none;
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width: 200px;
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height: 6px;
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border-radius: 3px;
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background: linear-gradient(
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to right,
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#e74c3c 0%,
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#f39c12 25%,
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var(--accent-blue) 50%,
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#3498db 75%,
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#27ae60 100%
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);
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outline: none;
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cursor: pointer;
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transition: opacity 0.2s;
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}
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.zoom-slider:hover {
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opacity: 0.9;
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}
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.zoom-slider:focus {
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outline: 2px solid var(--accent-blue);
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outline-offset: 2px;
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}
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/* Webkit Slider Thumb */
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.zoom-slider::-webkit-slider-thumb {
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-webkit-appearance: none;
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appearance: none;
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width: 20px;
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height: 20px;
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border-radius: 50%;
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background: white;
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border: 2px solid var(--accent-blue);
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cursor: pointer;
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box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
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transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
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}
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.zoom-slider::-webkit-slider-thumb:hover {
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transform: scale(1.15);
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box-shadow: 0 3px 12px rgba(0, 102, 204, 0.5);
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}
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.zoom-slider::-webkit-slider-thumb:active {
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transform: scale(1.05);
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box-shadow: 0 2px 8px rgba(0, 102, 204, 0.6);
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}
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/* Firefox Slider Thumb */
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.zoom-slider::-moz-range-thumb {
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width: 20px;
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height: 20px;
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border-radius: 50%;
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background: white;
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border: 2px solid var(--accent-blue);
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cursor: pointer;
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box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
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transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
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}
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.zoom-slider::-moz-range-thumb:hover {
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transform: scale(1.15);
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box-shadow: 0 3px 12px rgba(0, 102, 204, 0.5);
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}
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.zoom-slider::-moz-range-thumb:active {
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transform: scale(1.05);
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box-shadow: 0 2px 8px rgba(0, 102, 204, 0.6);
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}
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/* Firefox Range Track */
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.zoom-slider::-moz-range-track {
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height: 6px;
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border-radius: 3px;
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background: linear-gradient(
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to right,
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#e74c3c 0%,
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#f39c12 25%,
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var(--accent-blue) 50%,
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#3498db 75%,
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#27ae60 100%
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);
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}
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/* Reset Button */
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.zoom-reset-btn {
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display: flex;
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align-items: center;
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justify-content: center;
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width: 36px;
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height: 36px;
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padding: 0;
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background: rgba(255, 255, 255, 0.1);
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border: 1px solid rgba(255, 255, 255, 0.2);
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border-radius: 50%;
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color: white;
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cursor: pointer;
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transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
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flex-shrink: 0;
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}
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.zoom-reset-btn:hover {
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background: var(--accent-blue);
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border-color: var(--accent-blue);
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transform: rotate(180deg);
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}
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.zoom-reset-btn:active {
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transform: rotate(180deg) scale(0.95);
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}
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.zoom-reset-btn:focus {
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outline: 2px solid var(--accent-blue);
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outline-offset: 2px;
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}
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.zoom-reset-btn svg {
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width: 16px;
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height: 16px;
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stroke: currentColor;
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}
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/* Mobile Responsive - Smaller on mobile */
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@media (max-width: 768px) {
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.zoom-control {
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bottom: 15px;
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padding: 0.6rem 1.2rem;
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gap: 0.75rem;
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border-radius: 40px;
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}
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.zoom-label {
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font-size: 0.85rem;
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}
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.zoom-label iconify-icon {
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width: 18px;
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height: 18px;
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}
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.zoom-slider {
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width: 150px;
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height: 5px;
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}
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.zoom-slider::-webkit-slider-thumb {
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width: 18px;
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height: 18px;
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}
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.zoom-slider::-moz-range-thumb {
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width: 18px;
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height: 18px;
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}
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.zoom-value {
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font-size: 0.8rem;
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min-width: 35px;
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}
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.zoom-value-current {
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font-size: 0.9rem;
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}
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.zoom-reset-btn {
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width: 32px;
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height: 32px;
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}
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.zoom-reset-btn svg {
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width: 14px;
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height: 14px;
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}
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}
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/* Very Small Screens - Ultra Compact */
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@media (max-width: 480px) {
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.zoom-control {
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bottom: 10px;
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padding: 0.5rem 1rem;
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gap: 0.5rem;
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}
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.zoom-slider {
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width: 120px;
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}
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/* Hide min/max labels on very small screens */
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.zoom-value-min,
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.zoom-value-max {
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display: none;
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}
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}
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@@ -254,6 +254,136 @@
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}
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};
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// =============================================================================
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// ZOOM CONTROL
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// =============================================================================
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/**
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* Initialize zoom control on page load
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* Restores saved zoom level from localStorage
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*/
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function initZoomControl() {
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const slider = document.getElementById('zoom-slider');
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const resetBtn = document.getElementById('zoom-reset');
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const cvPaper = document.querySelector('.cv-paper');
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if (!slider || !cvPaper) return;
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// Restore saved zoom level
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const savedZoom = localStorage.getItem('cv-zoom');
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if (savedZoom) {
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const zoomValue = parseInt(savedZoom, 10);
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slider.value = zoomValue;
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applyZoom(zoomValue, false); // false = don't save (already loaded from storage)
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}
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// Real-time slider updates with debouncing for performance
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let zoomTimeout;
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slider.addEventListener('input', function(e) {
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const zoomValue = parseInt(e.target.value, 10);
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// Update ARIA and display immediately (no debounce)
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updateZoomDisplay(zoomValue);
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// Debounce the actual transform application (smoother on slower devices)
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clearTimeout(zoomTimeout);
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zoomTimeout = setTimeout(() => {
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applyZoom(zoomValue, true);
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}, 50); // 50ms debounce
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});
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// Reset button
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if (resetBtn) {
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resetBtn.addEventListener('click', function() {
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slider.value = 100;
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applyZoom(100, true);
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slider.focus(); // Return focus to slider for accessibility
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});
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}
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// Keyboard shortcuts (Ctrl/Cmd + Plus/Minus/0)
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document.addEventListener('keydown', function(e) {
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if ((e.ctrlKey || e.metaKey) && !e.shiftKey) {
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if (e.key === '=' || e.key === '+') {
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e.preventDefault();
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incrementZoom(5);
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} else if (e.key === '-') {
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e.preventDefault();
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incrementZoom(-5);
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} else if (e.key === '0') {
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e.preventDefault();
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slider.value = 100;
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applyZoom(100, true);
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}
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}
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});
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}
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/**
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* Apply zoom transformation to CV paper
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* @param {number} zoomValue - Zoom percentage (50-200)
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* @param {boolean} saveToStorage - Whether to persist to localStorage
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*/
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function applyZoom(zoomValue, saveToStorage = true) {
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const cvPaper = document.querySelector('.cv-paper');
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if (!cvPaper) return;
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// Convert percentage to scale factor (100 = 1.0, 150 = 1.5, etc.)
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const scaleFactor = zoomValue / 100;
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// Preserve scroll position (matching existing toggle pattern)
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requestAnimationFrame(() => {
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const scrollTop = window.pageYOffset || document.documentElement.scrollTop;
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// Apply transform
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cvPaper.style.transform = `scale(${scaleFactor})`;
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// Restore scroll position
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window.scrollTo(0, scrollTop);
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// Update display
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updateZoomDisplay(zoomValue);
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// Save to localStorage
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if (saveToStorage) {
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localStorage.setItem('cv-zoom', zoomValue.toString());
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}
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});
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}
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/**
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* Update visual display and ARIA attributes
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* @param {number} zoomValue - Current zoom percentage
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*/
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function updateZoomDisplay(zoomValue) {
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const slider = document.getElementById('zoom-slider');
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const display = document.getElementById('zoom-display');
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if (display) {
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display.textContent = `${zoomValue}%`;
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}
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if (slider) {
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slider.setAttribute('aria-valuenow', zoomValue);
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slider.setAttribute('aria-valuetext', `${zoomValue}%`);
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}
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}
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/**
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* Increment/decrement zoom by step amount
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* @param {number} step - Amount to change (positive or negative)
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*/
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function incrementZoom(step) {
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const slider = document.getElementById('zoom-slider');
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if (!slider) return;
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const currentZoom = parseInt(slider.value, 10);
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const newZoom = Math.min(200, Math.max(50, currentZoom + step));
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slider.value = newZoom;
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applyZoom(newZoom, true);
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}
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// =============================================================================
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// PRINT & PDF
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// =============================================================================
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@@ -265,6 +395,9 @@
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const wasClean = container.classList.contains('theme-clean');
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const wasLong = paper.classList.contains('cv-long');
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// Store current zoom
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const currentZoom = localStorage.getItem('cv-zoom') || '100';
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// Apply clean theme for minimal print (no sidebars, no header, no icons)
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if (!wasClean) {
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container.classList.add('theme-clean');
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@@ -274,6 +407,11 @@
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paper.classList.remove('cv-long');
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paper.classList.add('cv-short');
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// Temporarily reset zoom for printing
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if (paper) {
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paper.style.transform = 'scale(1)';
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}
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// Small delay to let CSS apply
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setTimeout(() => {
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window.print();
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@@ -288,6 +426,10 @@
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paper.classList.remove('cv-short');
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paper.classList.add('cv-long');
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}
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// Restore zoom
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if (paper && currentZoom !== '100') {
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applyZoom(parseInt(currentZoom, 10), false);
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}
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}, 100);
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}, 50);
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};
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@@ -354,6 +496,9 @@
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if (themeChecked) {
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window.toggleTheme();
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}
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// Initialize zoom control
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initZoomControl();
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}
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// =============================================================================
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@@ -454,6 +454,49 @@
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</div>
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</div>
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<!-- Zoom Control (Fixed Bottom Center) -->
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<div id="zoom-control" class="zoom-control no-print" role="group" aria-label="{{if eq .Lang "es"}}Control de zoom{{else}}Zoom control{{end}}">
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<label for="zoom-slider" class="zoom-label">
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<iconify-icon icon="mdi:magnify" width="20" height="20" aria-hidden="true"></iconify-icon>
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<span class="sr-only">{{if eq .Lang "es"}}Nivel de zoom{{else}}Zoom level{{end}}</span>
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</label>
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<div class="zoom-slider-container">
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<span class="zoom-value zoom-value-min" aria-hidden="true">50%</span>
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<input
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type="range"
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id="zoom-slider"
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class="zoom-slider"
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min="50"
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max="200"
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step="5"
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value="100"
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aria-label="{{if eq .Lang "es"}}Ajustar nivel de zoom del CV{{else}}Adjust CV zoom level{{end}}"
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aria-valuemin="50"
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aria-valuemax="200"
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aria-valuenow="100"
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aria-valuetext="100%">
|
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<span id="zoom-value-current" class="zoom-value zoom-value-current" aria-live="polite">100%</span>
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|
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<span class="zoom-value zoom-value-max" aria-hidden="true">200%</span>
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</div>
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<button
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id="zoom-reset"
|
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class="zoom-reset-btn"
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aria-label="{{if eq .Lang "es"}}Restablecer zoom al 100%{{else}}Reset zoom to 100%{{end}}"
|
||||
title="{{if eq .Lang "es"}}Restablecer{{else}}Reset{{end}}">
|
||||
<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true">
|
||||
<path d="M3 12a9 9 0 0 1 9-9 9.75 9.75 0 0 1 6.74 2.74L21 8"/>
|
||||
<path d="M21 3v5h-5"/>
|
||||
<path d="M21 12a9 9 0 0 1-9 9 9.75 9.75 0 0 1-6.74-2.74L3 16"/>
|
||||
<path d="M3 21v-5h5"/>
|
||||
</svg>
|
||||
</button>
|
||||
</div>
|
||||
|
||||
<!-- External JavaScript - CSP Compliant -->
|
||||
<script src="/static/js/main.js"></script>
|
||||
|
||||
|
||||
Reference in New Issue
Block a user