:root{--primary: #10b981;--primary-dark: #059669;--primary-light: #ecfdf5;--text-primary: #111827;--text-secondary: #6b7280;--text-muted: #9ca3af;--border-light: #e5e7eb;--border-medium: #d1d5db;--bg-body: #f9fafb;--bg-surface: #ffffff;--bg-card: #ffffff;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .04);--shadow-md: 0 4px 12px rgba(0, 0, 0, .06);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .08);--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--radius-full: 9999px;--transition: all .2s ease}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Poppins,-apple-system,BlinkMacSystemFont,sans-serif;background-color:var(--bg-body);color:var(--text-primary);line-height:1.6;min-height:100vh;-webkit-font-smoothing:antialiased}#root{max-width:420px;margin:0 auto;min-height:100vh;display:flex;flex-direction:column;background-color:var(--bg-surface);box-shadow:var(--shadow-lg)}@keyframes spin{to{transform:rotate(360deg)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.4}}@keyframes fadeIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.fadeIn{animation:fadeIn .5s ease-out forwards}.header{padding:1rem 1.25rem;background:var(--bg-surface);border-bottom:1px solid var(--border-light);position:sticky;top:0;z-index:100}.header-content{display:flex;justify-content:space-between;align-items:center}.logo{display:flex;align-items:center;gap:.5rem;font-size:1.125rem;font-weight:600;color:var(--text-primary);letter-spacing:-.02em}.logo i{color:var(--primary)}.status-pill{display:flex;align-items:center;gap:.375rem;padding:.375rem .625rem;background-color:var(--bg-body);border-radius:var(--radius-full);font-size:.75rem;color:var(--text-secondary)}.status-dot{width:8px;height:8px;border-radius:50%;background-color:var(--text-muted);transition:var(--transition)}.status-dot.active{background-color:var(--primary);animation:pulse 2s ease-in-out infinite}.main-content{flex:1;display:flex;flex-direction:column;gap:1.25rem;padding:1.25rem}.camera-section{width:100%}.camera-container{display:flex;flex-direction:column;gap:.875rem}.camera-wrapper{position:relative;width:100%;aspect-ratio:4/3;background-color:#000;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md)}.camera-wrapper video{width:100%;height:100%;object-fit:cover}.camera-wrapper .hidden{display:none!important}.camera-placeholder{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.75rem;color:#666}.camera-placeholder.hidden{display:none!important}.camera-placeholder i{opacity:.5}.camera-placeholder p{font-size:.875rem;color:var(--text-secondary)}.camera-overlay{position:absolute;inset:0;display:none;pointer-events:none}.camera-overlay.active{display:block}.overlay-frame{position:absolute;inset:18%;border:2px dashed var(--primary);border-radius:var(--radius-md);opacity:.7}.camera-controls{display:flex;justify-content:center;margin-top:-1.5rem;position:relative;z-index:10}.capture-btn{width:60px;height:60px;border-radius:50%;border:3px solid var(--bg-surface);background:var(--primary);color:#fff;cursor:pointer;box-shadow:var(--shadow-md);transition:var(--transition);display:flex;align-items:center;justify-content:center}.capture-btn:hover{transform:scale(1.05);background:var(--primary-dark)}.capture-btn:active{transform:scale(.95)}.capture-btn.scanning{background:#ef4444}.settings-bar{display:flex;flex-direction:column;gap:.5rem;padding:.75rem;background-color:var(--bg-body);border-radius:var(--radius-md)}.setting-item{display:flex;align-items:center;gap:.5rem;color:var(--text-secondary);font-size:.8125rem}.setting-item select{border:1px solid var(--border-light);background:var(--bg-surface);font-size:.8125rem;color:var(--text-primary);cursor:pointer;padding:.375rem .5rem;font-family:inherit;outline:none;border-radius:var(--radius-sm);flex:1}.fps-setting{display:flex;align-items:center;gap:.75rem;padding:.375rem .5rem;background:var(--bg-surface);border-radius:var(--radius-sm);border:1px solid var(--border-light)}#fps-label{font-size:.75rem;color:var(--text-secondary);min-width:45px}input[type=range]{flex:1;height:3px;-webkit-appearance:none;appearance:none;background:var(--border-medium);border-radius:2px;cursor:pointer}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:12px;height:12px;border-radius:50%;background:var(--primary);cursor:pointer;transition:var(--transition)}input[type=range]::-webkit-slider-thumb:hover{transform:scale(1.15)}.tone-setting{display:flex;align-items:center;gap:.5rem;padding:.375rem .5rem;background:var(--bg-surface);border-radius:var(--radius-sm);border:1px solid var(--border-light)}.tone-setting i{color:var(--text-secondary)}.tone-setting select{border:none;background:transparent;font-size:.8125rem;color:var(--text-primary);cursor:pointer;outline:none;flex:1}.tone-setting select:focus{color:var(--primary)}.results-section{flex:1}.result-card{background:var(--bg-card);border-radius:var(--radius-lg);padding:1.25rem;box-shadow:var(--shadow-sm);border:1px solid var(--border-light)}.idle-card{text-align:center;padding:2.5rem 1.5rem}.idle-icon{width:64px;height:64px;margin:0 auto 1rem;background-color:var(--primary-light);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--primary)}.idle-card h2{font-size:1.125rem;margin-bottom:.375rem;color:var(--text-primary);font-weight:600;letter-spacing:-.01em}.idle-card p{font-size:.875rem;color:var(--text-secondary);max-width:240px;margin:0 auto}.loading-card{text-align:center;padding:2.5rem 1.5rem}.loading-animation{position:relative;width:48px;height:48px;margin:0 auto 1rem}.loading-ring{position:absolute;inset:0;border:2.5px solid var(--border-light);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}.loading-icon{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:var(--primary)}.loading-card h2{font-size:1rem;margin-bottom:.25rem;font-weight:600}.loading-card p{font-size:.8125rem;color:var(--text-secondary)}.result-main{display:flex;flex-direction:column;gap:.875rem}.detected-badge{display:inline-flex;align-items:center;gap:.25rem;padding:.375rem .625rem;background-color:var(--primary-light);color:var(--primary);border-radius:var(--radius-full);font-size:.75rem;font-weight:600;align-self:center}.fun-fact-card{background:var(--bg-surface);border:1px solid 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0}.fun-fact-loading.hidden{display:none}.fun-fact-loading-spinner{width:20px;height:20px;border:2px solid var(--border-light);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}.fun-fact-loading span{font-size:.875rem;color:var(--text-secondary)}.confidence-bar{display:flex;align-items:center;gap:.625rem;padding:.5rem .75rem;background:var(--bg-body);border-radius:var(--radius-sm)}.confidence-label{font-size:.75rem;color:var(--text-secondary);min-width:65px}.confidence-track{flex:1;height:6px;background-color:var(--border-light);border-radius:3px;overflow:hidden}.confidence-fill{height:100%;background-color:var(--primary);border-radius:3px;transition:width .4s ease}.confidence-value{font-size:.8125rem;font-weight:600;color:var(--primary);min-width:36px;text-align:right}.share-hint{display:flex;align-items:center;justify-content:center;gap:.375rem;padding:.375rem;color:var(--text-muted);font-size:.75rem}.footer{padding:.875rem;text-align:center;border-top:1px solid var(--border-light);background:var(--bg-surface)}.footer p{font-size:.75rem;color:var(--text-muted)}.hidden{display:none!important}@media(max-width:480px){#root{max-width:100%}}@media(min-width:768px){#root{max-width:440px;margin:1.5rem auto;min-height:calc(100vh - 3rem);border-radius:var(--radius-lg)}.main-content{padding:1.5rem}.camera-wrapper{aspect-ratio:16/10}.capture-btn{width:64px;height:64px}}