@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Space+Mono:wght@400;700&display=swap";:root{--bg-primary: #FAFAF8;--bg-surface: #F0EFEC;--bg-elevated: #FFFFFF;--text-primary: #2A2A2A;--text-secondary: #6B6B6B;--text-muted: #9A9A96;--accent: #C45D2C;--accent-hover: #A84E25;--accent-subtle: rgba(196, 93, 44, .08);--accent-glow: rgba(196, 93, 44, .15);--border: #E0DFDB;--border-strong: #C8C7C3;--knob-body: #E8E7E3;--knob-body-hover: #DDDCD8;--shadow-soft: 0 1px 3px rgba(0,0,0,.04);--shadow-card: 0 1px 4px rgba(0,0,0,.05), 0 0 0 1px rgba(0,0,0,.03);--shadow-knob: 0 1px 4px rgba(0,0,0,.08);--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--font-ui: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;--font-mono: "Space Mono", "SF Mono", monospace;--transition: .15s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-ui);font-size:14px;font-weight:400;color:var(--text-primary);background:var(--bg-primary);line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.app-container{max-width:780px;margin:0 auto;padding:48px 24px 64px}header{text-align:center;margin-bottom:40px}header h1{font-size:20px;font-weight:500;letter-spacing:-.01em;color:var(--text-primary);margin-bottom:4px}header .subtitle{font-size:13px;color:var(--text-muted);font-weight:400}.mood-section{margin-bottom:12px}.mood-tabs{display:flex;justify-content:center;gap:0;margin-bottom:10px}.mood-tab{font-family:var(--font-ui);font-size:11px;font-weight:600;padding:5px 18px;border:1px solid var(--border);background:var(--bg-surface);color:var(--text-muted);cursor:pointer;transition:all var(--transition);letter-spacing:.03em;text-transform:uppercase}.mood-tab:first-child{border-radius:var(--radius-sm) 0 0 var(--radius-sm);border-right:none}.mood-tab:last-child{border-radius:0 var(--radius-sm) var(--radius-sm) 0}.mood-tab:hover{color:var(--text-secondary)}.mood-tab.active{background:var(--text-primary);border-color:var(--text-primary);color:var(--bg-elevated)}.mood-panel{display:none;flex-wrap:wrap;gap:6px;justify-content:center}.mood-panel.active{display:flex}.mood-btn{font-family:var(--font-ui);font-size:11px;font-weight:500;padding:5px 12px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-elevated);color:var(--text-muted);cursor:pointer;transition:all var(--transition);white-space:nowrap;letter-spacing:.02em}.mood-btn:hover{border-color:var(--border-strong);color:var(--text-secondary)}.mood-btn.active{border-color:var(--text-primary);background:var(--text-primary);color:var(--bg-elevated)}.preset-bar{display:flex;gap:8px;justify-content:center;margin-bottom:32px;flex-wrap:wrap}.preset-btn{font-family:var(--font-ui);font-size:12px;font-weight:500;padding:7px 16px;border:1px solid var(--border);border-radius:100px;background:var(--bg-elevated);color:var(--text-secondary);cursor:pointer;transition:all var(--transition);white-space:nowrap}.preset-btn:hover{border-color:var(--border-strong);color:var(--text-primary)}.preset-btn.active{border-color:var(--accent);background:var(--accent-subtle);color:var(--accent)}.playback-section{display:flex;flex-direction:column;align-items:center;gap:20px;margin-bottom:36px}#waveform-canvas{width:100%;height:80px;border:1px solid var(--border);border-radius:var(--radius-md);background:var(--bg-surface)}.play-button{width:56px;height:56px;border-radius:50%;border:none;background:var(--accent);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all var(--transition);box-shadow:0 2px 8px #c45d2c40}.play-button:hover{background:var(--accent-hover);transform:scale(1.04)}.play-button:active{transform:scale(.95)}.play-button svg{width:20px;height:20px;fill:currentColor;margin-left:2px}.controls-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:32px}.control-group{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px;box-shadow:var(--shadow-soft)}.control-group h3{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);margin-bottom:16px}.control-group.full-width{grid-column:1 / -1}.toggle-group{display:flex;margin-bottom:16px}.toggle-btn{font-family:var(--font-mono);font-size:10px;padding:5px 10px;border:1px solid var(--border);background:var(--bg-elevated);color:var(--text-muted);cursor:pointer;transition:all var(--transition);white-space:nowrap}.toggle-btn:first-child{border-radius:var(--radius-sm) 0 0 var(--radius-sm)}.toggle-btn:last-child{border-radius:0 var(--radius-sm) var(--radius-sm) 0}.toggle-btn:not(:first-child){margin-left:-1px}.toggle-btn:hover{color:var(--text-secondary);z-index:1}.toggle-btn.active{background:var(--accent-subtle);border-color:var(--accent);color:var(--accent);z-index:2;font-weight:700}.knob-row{display:flex;gap:20px;justify-content:center;flex-wrap:wrap}.knob-wrapper{display:flex;flex-direction:column;align-items:center;gap:4px;min-width:64px}.knob-svg{cursor:grab;touch-action:none;-webkit-user-select:none;user-select:none}.knob-svg:active,.knob-svg.knob-active{cursor:grabbing}.knob-body{fill:var(--knob-body);stroke-width:2.5;filter:drop-shadow(0 1px 3px rgba(0,0,0,.08));transition:fill var(--transition),stroke var(--transition)}.knob-svg:hover .knob-body{fill:var(--knob-body-hover)}.knob-indicator{stroke:var(--text-primary)}.knob-value-display{font-family:var(--font-mono);font-size:10px;color:var(--text-secondary);text-align:center;min-width:50px}.knob-label{font-size:10px;font-weight:500;color:var(--text-muted);text-align:center;text-transform:uppercase;letter-spacing:.04em}.timeline-row{display:flex;align-items:center;gap:12px;margin:16px 0}.step-blocks{display:flex;gap:6px;flex-wrap:wrap;flex:1}.step-block{width:64px;height:56px;border:1.5px solid var(--border);border-radius:var(--radius-md);background:var(--bg-surface);display:flex;flex-direction:column;align-items:center;justify-content:center;cursor:pointer;transition:all 80ms ease;position:relative;overflow:hidden}.step-block:hover{border-color:var(--border-strong);background:var(--bg-elevated)}.step-block.selected{border-color:var(--accent);background:var(--accent-subtle);box-shadow:0 0 0 1px var(--accent)}.step-block.playing{border-color:var(--accent);background:var(--accent);transform:scale(1.08);box-shadow:0 0 12px var(--accent-glow)}.step-block.playing .step-block-freq,.step-block.playing .step-block-index{color:#fff}.step-block.playing .step-block-dur{color:#ffffffb3}.step-block.playing .step-block-vol{background:#fff3}.step-block-freq{font-family:var(--font-mono);font-size:10px;font-weight:700;color:var(--text-primary);z-index:1}.step-block-dur{font-family:var(--font-mono);font-size:9px;color:var(--text-muted);z-index:1}.step-block-vol{position:absolute;bottom:0;left:0;right:0;background:var(--accent-glow);transition:height var(--transition);border-radius:0 0 6px 6px}.step-block-index{position:absolute;top:3px;left:5px;font-size:8px;font-weight:600;color:var(--text-muted)}.step-actions{display:flex;flex-direction:column;gap:4px}.step-action-btn{width:28px;height:28px;border-radius:50%;border:1px solid var(--border);background:var(--bg-elevated);color:var(--text-secondary);font-size:16px;font-weight:500;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all var(--transition)}.step-action-btn:hover{border-color:var(--accent);color:var(--accent)}.step-controls{border-top:1px solid var(--border);padding-top:16px;margin-top:4px}.step-controls-label{font-family:var(--font-mono);font-size:10px;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:.06em;display:block;margin-bottom:12px}.slider-row{display:flex;align-items:center;gap:12px;margin-bottom:12px}.slider-row:last-child{margin-bottom:0}.slider-row label{font-size:11px;font-weight:500;color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em;min-width:60px;flex-shrink:0}.slider-row input[type=range]{-webkit-appearance:none;-moz-appearance:none;appearance:none;flex:1;height:4px;background:var(--border);border-radius:2px;outline:none}.slider-row input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:16px;height:16px;border-radius:50%;background:var(--accent);border:2px solid var(--bg-elevated);box-shadow:var(--shadow-knob);cursor:pointer;transition:transform var(--transition)}.slider-row input[type=range]::-webkit-slider-thumb:hover{transform:scale(1.1)}.slider-row input[type=range]::-moz-range-thumb{width:16px;height:16px;border-radius:50%;background:var(--accent);border:2px solid var(--bg-elevated);box-shadow:var(--shadow-knob);cursor:pointer}.slider-value{font-family:var(--font-mono);font-size:11px;color:var(--text-secondary);min-width:48px;text-align:right}.toggle-switch{display:flex;align-items:center;gap:8px;margin-bottom:14px;cursor:pointer}.toggle-switch input{display:none}.toggle-track{width:32px;height:18px;border-radius:9px;background:var(--border);position:relative;transition:background var(--transition)}.toggle-switch input:checked+.toggle-track{background:var(--accent)}.toggle-track:after{content:"";position:absolute;width:14px;height:14px;border-radius:50%;background:var(--bg-elevated);top:2px;left:2px;transition:transform var(--transition);box-shadow:0 1px 2px #0000001a}.toggle-switch input:checked+.toggle-track:after{transform:translate(14px)}.toggle-switch span{font-size:11px;font-weight:500;color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em}.action-bar{display:flex;justify-content:space-between;align-items:center;gap:16px;padding-top:24px;border-top:1px solid var(--border);flex-wrap:wrap}.preset-management{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.preset-management input[type=text]{font-family:var(--font-ui);font-size:12px;padding:6px 12px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-elevated);color:var(--text-primary);outline:none;width:140px;transition:border-color var(--transition)}.preset-management input[type=text]:focus{border-color:var(--accent)}.preset-management input[type=text]::placeholder{color:var(--text-muted)}.preset-management select{font-family:var(--font-ui);font-size:12px;padding:6px 10px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-elevated);color:var(--text-primary);cursor:pointer;outline:none}.btn-small{font-family:var(--font-ui);font-size:11px;font-weight:500;padding:6px 12px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-elevated);color:var(--text-secondary);cursor:pointer;transition:all var(--transition);white-space:nowrap}.btn-small:hover{border-color:var(--border-strong);color:var(--text-primary)}.download-button{font-family:var(--font-mono);font-size:11px;font-weight:700;padding:8px 20px;border:1px solid var(--accent);border-radius:var(--radius-sm);background:var(--accent-subtle);color:var(--accent);cursor:pointer;transition:all var(--transition);white-space:nowrap}.download-button:hover{background:var(--accent);color:#fff}@media(max-width:600px){.app-container{padding:32px 16px 48px}.controls-grid{grid-template-columns:1fr}.action-bar{flex-direction:column;align-items:stretch}.preset-management{justify-content:center}.download-button{text-align:center}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{transition-duration:0ms!important;animation-duration:0ms!important}}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}button:focus:not(:focus-visible),input:focus:not(:focus-visible),select:focus:not(:focus-visible){outline:none}