.logo-container{display:flex;flex-direction:column;align-items:center;gap:12px;margin-bottom:20px}.logo-svg{width:80px;height:80px;animation:pulse-logo 3s ease-in-out infinite}@keyframes pulse-logo{0%,to{transform:scale(1);opacity:1}50%{transform:scale(1.05);opacity:.9}}.logo-svg .sound-waves circle{animation:expand-wave 2s ease-out infinite}.logo-svg .sound-waves circle:nth-child(1){animation-delay:0s}.logo-svg .sound-waves circle:nth-child(2){animation-delay:.3s}.logo-svg .sound-waves circle:nth-child(3){animation-delay:.6s}@keyframes expand-wave{0%{r:40;opacity:.6}50%{opacity:.3}to{r:80;opacity:0}}.logo-svg .sound-particles circle{animation:float 3s ease-in-out infinite}.logo-svg .sound-particles circle:nth-child(1){animation-delay:0s}.logo-svg .sound-particles circle:nth-child(2){animation-delay:.5s}.logo-svg .sound-particles circle:nth-child(3){animation-delay:1s}.logo-svg .sound-particles circle:nth-child(4){animation-delay:1.5s}.logo-svg .sound-particles 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0}.footer-content{display:flex;flex-direction:column;align-items:center;gap:12px;text-align:center;font-family:Inter,sans-serif}.footer-brand{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap;justify-content:center}.footer-app-name{font-size:1.2rem;font-weight:700;color:var(--verde-escuro);background:linear-gradient(135deg,var(--verde-primario) 0%,var(--verde-escuro) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.footer-year{font-size:.9rem;color:#666;font-weight:400}.footer-company{display:flex;align-items:center;gap:6px;font-size:.95rem}.footer-by{color:#666;font-weight:400}.footer-company-name{color:var(--verde-primario);font-weight:600}.footer-contact{margin-top:4px}.footer-email{color:var(--verde-primario);text-decoration:none;font-size:.9rem;font-weight:500;transition:all .3s ease;display:inline-block;padding:4px 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h3{font-size:1.3rem;font-weight:700;color:var(--verde-escuro);margin-bottom:var(--spacing-md);text-align:center;letter-spacing:-.01em}.reference-levels{display:flex;flex-direction:column;gap:var(--spacing-sm)}.reference-item{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm);background:#fff9;border-radius:12px;font-size:.95rem;color:var(--text-primary);transition:all .2s ease;border:1px solid rgba(0,168,89,.1)}.reference-item:hover{background:#ffffffe6;transform:translate(4px)}.reference-color{width:24px;height:24px;border-radius:6px;flex-shrink:0;box-shadow:0 2px 4px #0000001a}@media (max-width: 768px){.decibelimetro-card{padding:var(--spacing-md);border-radius:var(--border-radius)}.decibelimetro-header h1{font-size:2rem}.decibel-circle{width:240px;height:240px}.decibel-value{font-size:3.5rem}.stats-grid{grid-template-columns:1fr;gap:var(--spacing-sm)}.btn-start,.btn-stop,.btn-export{padding:16px 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h3{font-size:1.4rem;font-weight:700;color:var(--verde-escuro);margin-bottom:var(--spacing-md);letter-spacing:-.01em}.frequency-reference{display:flex;flex-direction:column;gap:var(--spacing-sm)}.frequency-reference .reference-item{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm);background:#fff9;border-radius:12px;font-size:.95rem;color:var(--text-primary);transition:all .2s ease;border:1px solid rgba(0,168,89,.1)}.frequency-reference .reference-item:hover{background:#ffffffe6;transform:translate(4px)}.frequency-reference .reference-color{width:24px;height:24px;border-radius:6px;flex-shrink:0;box-shadow:0 2px 4px #0000001a}.controls{display:flex;justify-content:center;align-items:center;margin-bottom:var(--spacing-xl)}.btn-start,.btn-stop{padding:18px 40px;font-size:1.1rem;font-weight:700;border:none;border-radius:50px;cursor:pointer;display:flex;align-items:center;gap:12px;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:0 4px 16px #0000001a,0 2px 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h2{color:#f44;margin-bottom:16px;font-size:1.8rem}.blocked-message p{color:#666;margin-bottom:12px;line-height:1.6}.blocked-info{font-size:.9rem;color:#999;margin-top:20px;padding-top:20px;border-top:1px solid #eee}.cookie-consent-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:10000;animation:fadeIn .3s ease-in;padding:20px}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.cookie-consent-dialog{background:var(--branco);border-radius:12px;max-width:600px;width:100%;max-height:90vh;overflow-y:auto;box-shadow:0 20px 60px #0000004d;animation:slideUp .3s ease-out}@keyframes slideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.cookie-header{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;border-bottom:1px solid 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input{opacity:0;width:0;height:0}.cookie-slider{position:absolute;cursor:pointer;top:0;left:0;right:0;bottom:0;background-color:#ccc;transition:.3s;border-radius:26px}.cookie-slider:before{position:absolute;content:"";height:20px;width:20px;left:3px;bottom:3px;background-color:#fff;transition:.3s;border-radius:50%}.cookie-switch input:checked+.cookie-slider{background-color:var(--verde-primario)}.cookie-switch input:checked+.cookie-slider:before{transform:translate(24px)}.cookie-switch input:disabled+.cookie-slider{background-color:var(--verde-muito-claro);cursor:not-allowed;opacity:.6}@media (max-width: 768px){.cookie-consent-dialog{max-width:100%;margin:10px}.cookie-actions{flex-direction:column}.cookie-btn{width:100%}.cookie-header{padding:16px 20px}.cookie-body,.cookie-preferences-content{padding:20px}}.main-navigation{position:fixed;top:20px;right:20px;display:flex;gap:6px;z-index:10001;background:var(--glass-bg);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);padding:6px;border-radius:50px;box-shadow:0 8px 32px #0000001a,0 2px 8px #0000000d;border:1px solid var(--glass-border)}.nav-btn{display:flex;align-items:center;gap:8px;padding:10px 20px;border:none;border-radius:50px;background:transparent;color:#666;font-size:.9rem;font-weight:500;cursor:pointer;transition:all .3s ease;font-family:Inter,sans-serif}.nav-btn:hover{background:var(--verde-muito-claro);color:var(--verde-primario);transform:translateY(-2px)}.nav-btn.active{background:linear-gradient(135deg,var(--verde-gradiente-start) 0%,var(--verde-gradiente-end) 100%);color:var(--branco);box-shadow:0 4px 16px #00a85940,0 2px 4px #0000001a}.nav-icon{font-size:1.2rem}.nav-label{font-weight:600}@media (max-width: 768px){.main-navigation{top:10px;right:10px;padding:6px}.nav-btn{padding:8px 16px;font-size:.85rem}.nav-label{display:none}.nav-icon{font-size:1.4rem}}.whatsapp-button{position:fixed;bottom:24px;right:24px;width:64px;height:64px;background:linear-gradient(135deg,#25d366,#20ba5a);border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 24px #25d36659,0 4px 8px #0000001a;z-index:10001;transition:all .3s cubic-bezier(.4,0,.2,1);text-decoration:none;animation:float 3s ease-in-out infinite;border:2px solid rgba(255,255,255,.2)}.whatsapp-button:hover{transform:scale(1.1) translateY(-2px);box-shadow:0 12px 32px #25d36673,0 6px 12px #00000026}.whatsapp-button:active{transform:scale(.95)}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.whatsapp-icon{width:34px;height:34px;color:#fff;z-index:2;position:relative;filter:drop-shadow(0 2px 4px rgba(0,0,0,.2))}.whatsapp-pulse{position:absolute;width:100%;height:100%;border-radius:50%;background:#25d366;animation:pulse 2s ease-out infinite;opacity:.6}@keyframes pulse{0%{transform:scale(1);opacity:.6}50%{transform:scale(1.2);opacity:.3}to{transform:scale(1.4);opacity:0}}@media (max-width: 768px){.whatsapp-button{width:56px;height:56px;bottom:15px;right:15px}.whatsapp-icon{width:28px;height:28px}}.App{min-height:100vh;display:flex;justify-content:center;align-items:flex-start;padding:var(--spacing-sm);padding-top:90px;padding-bottom:100px;max-width:1400px;margin:0 auto}@media (max-width: 768px){.App{padding:var(--spacing-xs);padding-top:80px;padding-bottom:90px}}*{margin:0;padding:0;box-sizing:border-box}:root{--verde-primario: #00A859;--verde-escuro: #006B3C;--verde-claro: #00D97E;--verde-muito-claro: #E6F5ED;--verde-medio: #00C96B;--verde-gradiente-start: #00D97E;--verde-gradiente-end: #00A859;--branco: #FFFFFF;--cinza-escuro: #1A1A1A;--cinza-medio: #2D2D2D;--cinza-claro: #F5F5F5;--sombra: rgba(0, 168, 89, .15);--sombra-hover: rgba(0, 168, 89, .25);--glass-bg: rgba(255, 255, 255, .8);--glass-border: rgba(255, 255, 255, .3);--text-primary: #1A1A1A;--text-secondary: #666666;--text-muted: #999999;--border-radius: 20px;--border-radius-lg: 28px;--spacing-xs: 8px;--spacing-sm: 16px;--spacing-md: 24px;--spacing-lg: 32px;--spacing-xl: 48px}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:linear-gradient(135deg,#e8f8f0,#fff,#f0f9f5);background-attachment:fixed;min-height:100vh;color:var(--text-primary);line-height:1.6}#root{min-height:100vh}