:root{--viewer-bg: #1e1f22;--panel-bg: #25262a;--panel-bg-hover: #2d2e32;--border-subtle: #33363d;--border-emphasis: #43464e;--text-primary: #e6e6e6;--text-secondary: #b0b4bc;--text-muted: #7d8189;--accent-active: #4fa3ff;--accent-hover: #6bb3ff;--danger: #d9534f;--success: #5cb85c;--info: #5bc0de;--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 12px;--spacing-lg: 16px;--spacing-xl: 24px;--toolbar-height: 52px;--tools-bar-height: 60px;--thumbnail-sidebar-width: 200px;--sidebar-width: 280px;--font-size-sm: 11px;--font-size-base: 13px;--font-size-md: 14px;--font-size-lg: 16px}.viewer-root{position:fixed;inset:0;display:flex;flex-direction:column;background:var(--viewer-bg);color:var(--text-primary);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:var(--font-size-base)}@media(min-width:1024px){.viewer-root{display:grid;grid-template-columns:auto 1fr;grid-template-rows:auto auto 1fr}}.thumbnail-fallback,.thumbnail-error,.thumbnail-skeleton{width:100%;height:100%;background:#2b2b2b;color:#aaa;display:flex;align-items:center;justify-content:center;font-size:12px;border-radius:4px;min-height:64px}.thumbnail-skeleton{animation:pulse 1.4s infinite ease-in-out}@keyframes pulse{0%{opacity:.6}50%{opacity:1}to{opacity:.6}}.viewer-toolbar{display:flex;justify-content:space-between;align-items:center;background:var(--panel-bg);border-bottom:1px solid var(--border-subtle);padding:var(--spacing-md);min-height:48px;height:auto;box-sizing:border-box;flex-shrink:0}.viewer-study-title{font-size:18px;line-height:1.2;font-weight:700}.viewer-study-meta{font-size:13px;line-height:1.25;opacity:.8}@media(min-width:1024px){.viewer-toolbar{grid-column:1 / -1;grid-row:1}}.viewer-tools-bar{display:flex;align-items:center;gap:var(--spacing-lg);background:var(--panel-bg);border-bottom:1px solid var(--border-subtle);padding:var(--spacing-sm) var(--spacing-md);flex-shrink:0}@media(min-width:1024px){.viewer-tools-bar{grid-column:1 / -1;grid-row:2}}.viewer-tool-section{display:flex;align-items:center;gap:var(--spacing-sm)}.viewer-tool-section-label{font-size:var(--font-size-sm);font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;margin-right:var(--spacing-xs);white-space:nowrap}.nav-button{font-weight:700}.nav-button:disabled{opacity:.3;cursor:not-allowed}.viewer-reset-btn{margin-left:auto;padding:8px 16px;background:var(--panel-bg-hover);color:var(--text-primary);border:1px solid var(--border-subtle);border-radius:6px;font-size:var(--font-size-sm);font-weight:600;cursor:pointer;transition:all .15s ease;white-space:nowrap}.viewer-reset-btn:hover{background:var(--border-emphasis);color:var(--text-primary);border-color:var(--border-emphasis)}.viewer-toolbar-left,.viewer-toolbar-right{display:flex;gap:var(--spacing-sm);align-items:center}.viewer-btn{padding:6px 12px;background:var(--panel-bg-hover);color:var(--text-primary);border:1px solid var(--border-subtle);border-radius:4px;cursor:pointer;font-size:var(--font-size-base);font-weight:500;transition:background .15s,border-color .15s;white-space:nowrap}.viewer-btn:hover{background:var(--border-emphasis);border-color:var(--border-emphasis)}.viewer-btn-primary{background:var(--accent-active);border-color:var(--accent-active);color:#fff}.viewer-btn-primary:hover{background:var(--accent-hover);border-color:var(--accent-hover)}.viewer-btn-success{background:var(--success);border-color:var(--success);color:#fff}.viewer-btn-success:hover{background:#4cae4c;border-color:#4cae4c}.viewer-btn-danger{background:var(--danger);border-color:var(--danger);color:#fff}.viewer-content{flex:1;position:relative;overflow:hidden;margin-left:var(--thumbnail-sidebar-width);z-index:1;width:calc(100% - var(--thumbnail-sidebar-width))}@media(min-width:1024px){.viewer-content{grid-column:2;grid-row:3;margin-left:0;width:auto}}.tool-button{display:inline-flex;align-items:center;justify-content:center;width:48px;height:48px;box-sizing:border-box;padding:2px;color:var(--text-muted);opacity:.85;background:var(--panel-bg-hover);border:1px solid var(--border-subtle);border-radius:6px;cursor:pointer;transition:color .12s ease,background-color .12s ease,border-color .12s ease,opacity .12s ease}.tool-button:hover{color:var(--text-primary);background:var(--border-emphasis);border-color:var(--border-emphasis);opacity:1}.tool-button.active{color:var(--accent-active);background:#4fa3ff1f;border-color:var(--accent-active);opacity:1}.tool-button:disabled{opacity:.35;cursor:default;color:var(--text-muted);background:var(--panel-bg-hover);border-color:var(--border-subtle)}.tool-group{display:flex;gap:var(--spacing-sm);flex-wrap:wrap}.viewer-tool-btn{width:100%;padding:6px 10px;margin-bottom:var(--spacing-sm);background:var(--panel-bg-hover);color:var(--text-secondary);border:1px solid var(--border-subtle);border-radius:4px;cursor:pointer;font-size:var(--font-size-base);text-align:left;transition:all .15s}.viewer-tool-btn:hover{background:var(--border-emphasis);color:var(--text-primary)}.viewer-tool-btn.active{background:var(--panel-bg-hover);border-color:var(--accent-active);color:var(--accent-active);font-weight:500}.viewer-info-panel{margin-top:var(--spacing-md);padding:var(--spacing-sm);background:#4fa3ff1a;border:1px solid rgba(79,163,255,.2);border-radius:4px;font-size:var(--font-size-sm);color:var(--text-secondary)}.viewer-info-panel strong{color:var(--text-primary)}.viewer-info-btn{margin-top:var(--spacing-xs);font-size:var(--font-size-sm);padding:2px 6px}.viewer-canvas-container{flex:1;display:flex;align-items:center;justify-content:center;position:relative;background:var(--viewer-bg);overflow:hidden}.viewer-canvas-placeholder{color:var(--text-muted);padding:var(--spacing-lg);font-size:var(--font-size-md)}.viewer-canvas-wrapper{position:relative;max-width:100%;max-height:100%;padding:var(--spacing-md)}.viewer-measurement-overlay{position:absolute;min-width:150px;max-width:400px;max-height:60vh;background:var(--panel-bg);border:1px solid var(--accent-active);border-radius:4px;padding:8px;overflow-y:auto;overflow-x:hidden;box-shadow:0 4px 12px #0006;z-index:900;cursor:move;resize:both;font-size:var(--font-size-sm)}.viewer-measurement-overlay h3{margin:0 0 6px;font-size:13px;color:var(--text-primary);cursor:move;-webkit-user-select:none;user-select:none}.viewer-measurement-item{padding:4px 6px;margin-bottom:4px;background:var(--panel-bg-hover);border:1px solid var(--border-subtle);border-radius:3px;cursor:pointer;font-size:12px;transition:all .15s;white-space:nowrap}.viewer-measurement-item:hover{background:var(--border-emphasis)}.viewer-measurement-item.selected{border-color:var(--accent-active);background:#4fa3ff1a}.viewer-thumbnails{position:fixed;left:0;top:calc(var(--toolbar-height) + var(--tools-bar-height));bottom:0;width:var(--thumbnail-sidebar-width);display:flex;flex-direction:column;background:var(--panel-bg);border-right:1px solid var(--border-subtle);padding:var(--spacing-md);z-index:1000}@media(min-width:1024px){.viewer-thumbnails{position:static;grid-column:1;grid-row:3;top:auto;bottom:auto;left:auto}}.viewer-thumbnails-strip{display:flex;flex-direction:column;gap:var(--spacing-md);overflow-y:auto;overflow-x:hidden;padding:var(--spacing-sm);flex:1}.viewer-thumbnail{display:flex;flex-direction:column;align-items:center;border:2px solid transparent;cursor:pointer;border-radius:4px;padding:var(--spacing-sm);transition:border-color .15s;background:var(--viewer-bg)}.viewer-thumbnail:hover{border-color:var(--border-emphasis)}.viewer-thumbnail.active{border-color:var(--accent-active)}.viewer-thumbnail img{width:160px;height:auto;display:block;object-fit:contain}.viewer-thumbnail-label{margin-top:var(--spacing-sm);font-size:11px;color:var(--text-secondary);width:100%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;text-align:center;font-weight:600}.viewer-thumbnail.active .viewer-thumbnail-label{color:var(--accent-active)}.viewer-share-btn{height:48px;padding:0 18px;background:var(--panel-bg-hover);color:var(--text-primary);border:1px solid var(--border-subtle);border-radius:4px;font-size:var(--font-size-md);font-weight:500;cursor:pointer;white-space:nowrap;flex-shrink:0;transition:all .15s}.viewer-share-btn:hover{background:var(--border-emphasis);border-color:var(--border-emphasis)}.viewer-loading,.viewer-error,.viewer-no-data{padding:var(--spacing-lg);color:var(--text-muted);font-size:var(--font-size-md)}.viewer-error{color:var(--danger)}.viewer-text-muted{color:var(--text-muted)}.viewer-text-secondary{color:var(--text-secondary)}.viewer-text-primary{color:var(--text-primary)}.viewer-sidebar::-webkit-scrollbar,.viewer-measurement-sidebar::-webkit-scrollbar,.viewer-thumbnails-strip::-webkit-scrollbar{width:8px;height:8px}.viewer-sidebar::-webkit-scrollbar-track,.viewer-measurement-sidebar::-webkit-scrollbar-track,.viewer-thumbnails-strip::-webkit-scrollbar-track{background:var(--panel-bg)}.viewer-sidebar::-webkit-scrollbar-thumb,.viewer-measurement-sidebar::-webkit-scrollbar-thumb,.viewer-thumbnails-strip::-webkit-scrollbar-thumb{background:var(--border-subtle);border-radius:4px}.viewer-sidebar::-webkit-scrollbar-thumb:hover,.viewer-measurement-sidebar::-webkit-scrollbar-thumb:hover,.viewer-thumbnails-strip::-webkit-scrollbar-thumb:hover{background:var(--border-emphasis)}@media(min-width:1024px){.viewer-thumbnails{height:100%;overflow:hidden}.viewer-thumbnails-strip{height:100%;overflow-y:auto}}.viewer-root.viewer-mobile 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#0000004d}.viewer-mobile-study-metadata{display:flex;flex-direction:column;gap:4px}.viewer-mobile-metadata-row{font-size:14px;line-height:1.4;color:var(--text-primary);word-wrap:break-word;overflow-wrap:break-word}.viewer-mobile-metadata-row:first-child{font-weight:600;font-size:16px}:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;min-width:320px;min-height:100vh;background:#1e1f22;color:#e6e6e6;display:block}html,body,#root{width:100%}#root{min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}.eq-panel{background:#25262a;border:1px solid #33363d;border-radius:8px;padding:24px;box-shadow:0 6px 18px #00000059}input[type=text],input[type=password],input[type=date],input[type=email],select,textarea{background:#1e1f22;color:#e6e6e6;border:1px solid #33363d;border-radius:6px;padding:10px 12px;font-family:inherit;font-size:14px}input[type=text]:focus,input[type=password]:focus,input[type=date]:focus,input[type=email]:focus,select:focus,textarea:focus{outline:none;border-color:#4fa3ff}input[type=text]::placeholder,input[type=password]::placeholder,input[type=email]::placeholder,textarea::placeholder{color:#7d8189}button.primary{background:#4fa3ff;border:none;color:#fff;border-radius:6px;padding:10px 16px;font-weight:600;cursor:pointer}button.primary:hover{background:#6bb3ff}button.primary:disabled{background:#7d8189;cursor:not-allowed;opacity:.6}.eq-heading{font-size:16px;font-weight:600;margin-bottom:12px;color:#e6e6e6}