@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap";:root{--bg-primary: #0a1414;--bg-secondary: #0d1a1a;--bg-card: #142222;--bg-elevated: #1a2a2a;--accent-teal: #4fd1c5;--accent-teal-dim: #3ba89e;--accent-glow: rgba(79, 209, 197, .4);--accent-glow-strong: rgba(79, 209, 197, .6);--text-primary: #ffffff;--text-secondary: #8aa0a0;--text-dim: #5a7070;--zone-quiet: rgba(79, 209, 197, .15);--zone-stabilizing: rgba(79, 209, 197, .08);--zone-noise: rgba(79, 209, 197, .03);--success: #4ade80;--warning: #fbbf24;--error: #f87171;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .3);--shadow-md: 0 4px 16px rgba(0, 0, 0, .4);--shadow-glow: 0 0 20px var(--accent-glow)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.app{min-height:100vh;display:flex;flex-direction:column}.screen{flex:1;display:flex;flex-direction:column;padding:24px;max-width:480px;margin:0 auto;width:100%}.screen-header{text-align:center;padding-bottom:24px}.screen-header h1{font-size:24px;font-weight:600;color:var(--text-primary)}.screen-footer{padding-top:24px;display:flex;flex-direction:column;gap:12px;align-items:center}.footer-hint{font-size:13px;color:var(--text-dim);text-align:center}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:var(--radius-md);font-size:15px;font-weight:500;cursor:pointer;border:none;transition:all .2s ease}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--accent-teal);color:var(--bg-primary)}.btn-primary:hover:not(:disabled){background:var(--accent-teal-dim);box-shadow:var(--shadow-glow)}.btn-secondary{background:var(--bg-elevated);color:var(--text-primary);border:1px solid var(--accent-teal-dim)}.btn-secondary:hover:not(:disabled){background:var(--bg-card)}.btn-text{background:transparent;color:var(--accent-teal);padding:8px 16px}.btn-text:hover:not(:disabled){background:#4fd1c51a}.btn-large{width:100%;padding:16px 32px;font-size:16px;border-radius:var(--radius-lg)}.btn-icon{padding:12px;border-radius:var(--radius-md);background:var(--bg-elevated)}.btn-icon.active{background:#4fd1c533;color:var(--accent-teal)}.btn-label{font-size:11px;margin-left:4px}.connection-status{background:var(--bg-card);border-radius:var(--radius-lg);padding:20px;margin-bottom:20px}.status-bar{display:flex;gap:24px}.status-item{display:flex;align-items:center;gap:12px;flex:1}.status-icon{width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:var(--bg-elevated);border-radius:var(--radius-md);color:var(--text-secondary)}.status-text{display:flex;flex-direction:column}.status-label{font-size:12px;color:var(--text-dim)}.status-value{font-size:14px;color:var(--text-secondary)}.status-value.connected{color:var(--success)}.status-value.hint{font-size:11px;color:var(--text-dim)}.status-indicator{width:8px;height:8px;border-radius:50%;background:var(--text-dim);margin-left:auto}.status-indicator.active{background:var(--success);box-shadow:0 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h2{margin-bottom:0}.section-subtitle{font-size:12px;color:var(--text-dim)}.section-header .toggle{margin-left:auto}.hint{font-size:13px;color:var(--text-dim)}.current-user{display:flex;align-items:center;justify-content:space-between}.user-name{font-size:16px;font-weight:500;color:var(--accent-teal)}.user-selection{margin-top:12px}.user-list{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}.user-btn{padding:8px 16px;background:var(--bg-elevated);border:1px solid transparent;border-radius:var(--radius-sm);color:var(--text-secondary);font-size:14px;cursor:pointer;transition:all .2s ease}.user-btn:hover{background:var(--bg-primary)}.user-btn.active{border-color:var(--accent-teal);color:var(--accent-teal)}.new-user-form{display:flex;gap:8px}.new-user-form input{flex:1;padding:10px 14px;background:var(--bg-elevated);border:1px solid var(--bg-primary);border-radius:var(--radius-sm);color:var(--text-primary);font-size:14px}.new-user-form input::placeholder{color:var(--text-dim)}.new-user-form input:focus{outline:none;border-color:var(--accent-teal)}.audio-options{transition:opacity .2s ease}.audio-options.disabled{opacity:.5;pointer-events:none}.radio-group{display:flex;flex-direction:column;gap:10px;margin-bottom:16px}.radio-option{display:flex;align-items:center;gap:10px;cursor:pointer}.radio-option input{appearance:none;width:18px;height:18px;border:2px solid var(--text-dim);border-radius:50%;cursor:pointer;position:relative}.radio-option input:checked{border-color:var(--accent-teal)}.radio-option input:checked:after{content:"";position:absolute;top:3px;left:3px;width:8px;height:8px;background:var(--accent-teal);border-radius:50%}.radio-label{font-size:14px;color:var(--text-primary)}.volume-control{display:flex;align-items:center;gap:12px;margin-bottom:12px}.volume-control svg{color:var(--text-dim)}.volume-control input[type=range]{flex:1;appearance:none;height:4px;background:var(--bg-primary);border-radius:2px;cursor:pointer}.volume-control input[type=range]::-webkit-slider-thumb{appearance:none;width:16px;height:16px;background:var(--accent-teal);border-radius:50%;cursor:pointer}.audio-hint{font-size:12px;color:var(--text-dim);font-style:italic}.toggle{position:relative;width:44px;height:24px}.toggle input{opacity:0;width:0;height:0}.toggle-slider{position:absolute;inset:0;background:var(--bg-primary);border-radius:24px;cursor:pointer;transition:background .2s ease}.toggle-slider:before{content:"";position:absolute;width:18px;height:18px;left:3px;bottom:3px;background:var(--text-dim);border-radius:50%;transition:all .2s ease}.toggle input:checked+.toggle-slider{background:var(--accent-teal)}.toggle input:checked+.toggle-slider:before{transform:translate(20px);background:var(--bg-primary)}.active-session{padding:0;background:var(--bg-secondary)}.session-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;background:var(--bg-card)}.header-left{display:flex;align-items:center}.muse-logo{font-size:20px;font-weight:600;color:var(--text-primary);letter-spacing:-.5px}.battery-indicator{display:flex;align-items:center;gap:4px;margin-left:12px;padding:4px 8px;background:var(--bg-elevated);border-radius:var(--radius-sm);color:var(--text-secondary)}.battery-indicator svg{color:var(--success)}.battery-indicator.low svg{color:var(--error)}.battery-indicator.low .battery-text{color:var(--error)}.battery-text{font-size:12px;font-family:SF Mono,Fira Code,monospace;color:var(--text-secondary)}.header-right{display:flex;align-items:center;gap:12px}.header-right .icon{color:var(--text-secondary)}.header-right .timer{font-family:SF Mono,Fira 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ease}.zone-label.active{color:var(--accent-teal);border-left-color:var(--accent-teal);background:#4fd1c51a}.graph-container{flex:1;position:relative;background:linear-gradient(to bottom,var(--zone-quiet) 0%,var(--zone-quiet) 30%,var(--zone-stabilizing) 30%,var(--zone-stabilizing) 60%,var(--zone-noise) 60%,var(--zone-noise) 100%);border-radius:var(--radius-md);overflow:hidden}.graph-canvas{width:100%;height:100%}.current-indicator{position:absolute;width:12px;height:12px;background:var(--accent-teal);border-radius:50%;transform:translate(50%,-50%);box-shadow:0 0 10px var(--accent-glow)}.time-axis{display:flex;justify-content:space-between;padding:8px 0}.time-marker{font-size:11px;color:var(--text-dim);font-family:SF Mono,Fira Code,monospace}.flow-state-indicator{position:absolute;top:20px;left:50%;transform:translate(-50%);display:flex;flex-direction:column;align-items:center;padding:12px 24px;background:#4fd1c526;border:1px solid var(--accent-teal);border-radius:var(--radius-lg);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.flow-glow{position:absolute;inset:-4px;background:var(--accent-glow);border-radius:var(--radius-lg);filter:blur(12px);z-index:-1}.flow-text{font-size:14px;font-weight:600;color:var(--accent-teal)}.flow-streak{font-size:12px;color:var(--text-secondary);font-family:SF Mono,Fira Code,monospace}.reward-indicator{position:absolute;bottom:80px;right:20px;color:var(--accent-teal);background:#4fd1c51a;padding:8px;border-radius:var(--radius-md)}.connection-warning{position:absolute;bottom:20px;left:50%;transform:translate(-50%);display:flex;align-items:center;gap:8px;padding:10px 16px;background:#fbbf2426;border:1px solid var(--warning);border-radius:var(--radius-md);color:var(--warning);font-size:13px}.session-summary{background:var(--bg-secondary)}.summary-content{flex:1;display:flex;flex-direction:column;align-items:center;gap:24px}.main-stat{position:relative;width:180px;height:180px;display:flex;align-items:center;justify-content:center}.progress-ring{position:absolute;width:100%;height:100%;transform:rotate(-90deg)}.progress-bg{stroke:var(--bg-card)}.progress-fill{stroke:var(--accent-teal);filter:drop-shadow(0 0 6px var(--accent-glow))}.main-stat-text{display:flex;flex-direction:column;align-items:center;text-align:center}.main-stat-text .percentage{font-size:42px;font-weight:600;color:var(--accent-teal);line-height:1}.main-stat-text .label{font-size:12px;color:var(--text-secondary);margin-top:4px}.stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;width:100%}.stat-card{background:var(--bg-card);border-radius:var(--radius-md);padding:16px;text-align:center}.stat-label{display:block;font-size:12px;color:var(--text-dim);margin-bottom:4px}.stat-value{display:block;font-size:18px;font-weight:600;color:var(--text-primary)}.stat-value.achievement{color:var(--accent-teal)}.mini-graph-container{width:100%;height:80px;background:var(--bg-card);border-radius:var(--radius-md);overflow:hidden}.mini-graph{width:100%;height:100%}.secondary-actions{display:flex;gap:12px}@media(max-width:480px){.screen{padding:16px}.status-bar{flex-direction:column;gap:16px}.session-footer{flex-direction:column}.session-footer .btn-primary{width:100%}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes glow{0%,to{box-shadow:0 0 10px var(--accent-glow)}50%{box-shadow:0 0 20px var(--accent-glow-strong)}}.electrode-status{background:var(--bg-card);border-radius:var(--radius-md);padding:16px}.electrode-status.compact{padding:12px 16px}.electrode-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.electrode-title{font-size:11px;font-weight:600;letter-spacing:.5px;color:var(--text-dim);text-transform:uppercase}.electrode-badge{display:inline-flex;align-items:center;padding:4px 12px;border-radius:var(--radius-lg);font-size:12px;font-weight:500;border:1px solid}.electrode-grid{display:flex;justify-content:space-between;gap:16px}.electrode-item{display:flex;flex-direction:column;align-items:center;gap:6px}.electrode-dot{width:16px;height:16px;border-radius:50%;transition:all .3s ease}.electrode-label{font-size:11px;color:var(--text-secondary);font-weight:500}.electrode-bar{padding:8px 20px;background:var(--bg-card)}.brainwave-bars{display:flex;gap:8px;padding:12px 20px;background:var(--bg-card);border-top:1px solid var(--bg-primary)}.band-bar{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px}.band-label{font-size:12px;font-weight:600;color:var(--text-secondary)}.band-bar .band-fill{height:6px;border-radius:3px;width:0%;min-width:4px;align-self:stretch}.band-fill.delta{background:linear-gradient(90deg,#6366f1,#818cf8)}.band-fill.theta{background:linear-gradient(90deg,#8b5cf6,#a78bfa)}.band-fill.alpha{background:linear-gradient(90deg,#4fd1c5,#5eead4)}.band-fill.beta{background:linear-gradient(90deg,#fbbf24,#fcd34d)}.band-fill.gamma{background:linear-gradient(90deg,#f87171,#fca5a5)}.band-value{font-size:10px;font-family:SF Mono,Fira Code,monospace;color:var(--text-dim)}.settings-group{display:flex;flex-direction:column;gap:20px}.setting-row{display:flex;flex-direction:column;gap:8px}.setting-label{display:flex;justify-content:space-between;align-items:center;font-size:14px;color:var(--text-primary)}.setting-value{font-family:SF Mono,Fira 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ease;text-align:center}.preset-btn:hover:not(:disabled){background:var(--bg-primary)}.preset-btn.active{border-color:var(--accent-teal);background:#4fd1c51a}.preset-btn:disabled{opacity:.5;cursor:not-allowed}.preset-name{font-size:14px;font-weight:600;color:var(--text-primary)}.preset-freq{font-size:12px;color:var(--accent-teal);font-family:SF Mono,Fira Code,monospace}.preset-desc{font-size:10px;color:var(--text-dim);margin-top:2px}.custom-freq{margin-top:12px}.isochronic-settings{margin-top:16px;padding-top:16px;border-top:1px solid var(--bg-primary)}.iso-advanced{border-radius:var(--radius-md);background:var(--bg-elevated)}.iso-advanced-summary{list-style:none;cursor:pointer;padding:8px 12px;font-size:13px;color:var(--text-secondary)}.iso-advanced-summary::-webkit-details-marker{display:none}.iso-advanced-body{padding:8px 12px 12px;display:flex;flex-direction:column;gap:12px}.iso-preset-row{display:flex;flex-direction:column;gap:6px}.iso-preset-select{width:100%;padding:6px 10px;border-radius:var(--radius-sm);border:1px solid var(--bg-primary);background:var(--bg-secondary);color:var(--text-primary);font-size:13px}.iso-tone-list{display:flex;flex-direction:column;gap:10px}.iso-tone-row{padding:10px;border-radius:var(--radius-md);background:var(--bg-card)}.iso-tone-header{display:flex;align-items:center;gap:8px;margin-bottom:6px}.iso-tone-title{font-size:12px;font-weight:500;color:var(--text-secondary)}.toggle.small{width:32px;height:18px;margin-left:auto}.toggle.small .toggle-slider:before{width:14px;height:14px}.iso-tone-remove{background:transparent;border:none;color:var(--text-dim);cursor:pointer;font-size:16px}.iso-add-tone{margin-top:4px;width:100%;font-size:13px}.current-state-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:var(--radius-lg);border:1px solid;margin-bottom:12px}.state-icon{display:flex;align-items:center}.state-label{font-size:14px;font-weight:600}.state-desc{font-size:12px;opacity:.8}.zone-labels{display:flex;flex-direction:column;gap:2px;margin-bottom:8px}.zone-label{display:flex;align-items:center;gap:8px;padding:8px 12px;border-left:3px solid transparent;border-radius:0 var(--radius-sm) var(--radius-sm) 0;transition:all .3s ease}.zone-label.active{background:var(--zone-quiet)}.zone-icon{display:flex;align-items:center;opacity:.7}.zone-label.active .zone-icon{opacity:1}.zone-text{display:flex;flex-direction:column}.zone-name{font-size:12px;font-weight:500;color:var(--text-secondary)}.zone-label.active .zone-name{color:var(--text-primary)}.zone-desc{font-size:10px;color:var(--text-dim)}.zone-label.active .zone-desc{color:var(--text-secondary)}.graph-container{flex:1;position:relative;background:linear-gradient(to bottom,#4fd1c514 0% 30%,#fbbf240f 30% 60%,#f871710a 60% 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8px;font-size:12px}.osc-help-panel{margin-top:16px;padding:16px;background:var(--bg-elevated);border-radius:var(--radius-md);overflow:hidden}.osc-help-panel h4{font-size:14px;font-weight:600;color:var(--text-primary);margin-bottom:12px}.osc-help-panel ol{padding-left:20px;font-size:13px;color:var(--text-secondary);line-height:1.8}.osc-help-panel ol li{margin-bottom:6px}.osc-help-panel a{color:var(--accent-teal);text-decoration:none}.osc-help-panel a:hover{text-decoration:underline}.code-block{display:block;margin:8px 0;padding:10px 12px;background:var(--bg-primary);border-radius:var(--radius-sm);font-family:SF Mono,Fira Code,Consolas,monospace;font-size:12px;color:var(--accent-teal);overflow-x:auto;white-space:nowrap}.osc-url-input{margin-top:16px;display:flex;flex-direction:column;gap:6px}.osc-url-input label{font-size:12px;color:var(--text-dim)}.osc-url-input input{padding:10px 12px;background:var(--bg-primary);border:1px solid var(--bg-card);border-radius:var(--radius-sm);color:var(--text-primary);font-family:SF Mono,Fira Code,monospace;font-size:13px}.osc-url-input input:focus{outline:none;border-color:var(--accent-teal)}*,*:before,*:after{box-sizing:border-box}html{font-size:16px;-webkit-text-size-adjust:100%}body{margin:0;padding:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background-color:#0a1414;color:#fff;min-height:100vh;overflow-x:hidden}#root{min-height:100vh;display:flex;flex-direction:column}button{font-family:inherit;font-size:inherit;line-height:inherit}input{font-family:inherit}html{scroll-behavior:smooth}:focus-visible{outline:2px solid #4fd1c5;outline-offset:2px}::selection{background:#4fd1c54d;color:#fff}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:#0d1a1a}::-webkit-scrollbar-thumb{background:#2a4040;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#3a5555}