:root{--paper:#fffaf0;--ink:#17201d;--muted:#5e6964;--line:#cbd2ce;--green:#14795d;--green-dark:#0d5d48;--mint:#e1f4eb;--yellow:#ffd83d;--red:#a33c2f;--soft-red:#fff0eb;--panel:#fff;--shadow:8px 9px 0 rgba(23,32,29,.13)}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.45}
button,input,select{font:inherit}
button,a{touch-action:manipulation}
.site-nav{display:flex;width:min(1280px,calc(100% - 48px));height:100%;margin:0 auto;align-items:center;justify-content:space-between}
.site-nav .brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-size:19px;font-weight:950;letter-spacing:-.03em;text-decoration:none}
.site-nav nav{display:flex;align-items:center;gap:24px}
.site-nav nav a{color:var(--ink);font-size:14px;font-weight:800;text-decoration:none}
.site-nav .nav-pill{padding:9px 16px;border:2px solid var(--ink);border-radius:999px;background:#fff}
main{padding-bottom:100px}
.intro{display:flex;width:min(1280px,calc(100% - 48px));margin:0 auto;align-items:flex-end;justify-content:space-between;gap:50px;padding:58px 0 30px}
.tool-label{display:inline-flex;align-items:center;gap:8px;margin-bottom:10px;color:var(--green-dark);font-size:12px;font-weight:900;letter-spacing:.12em;text-transform:uppercase}
.tool-label i{width:9px;height:9px;border-radius:50%;background:var(--green);box-shadow:0 0 0 5px rgba(20,121,93,.12)}
.intro h1{margin:0;font-size:58px;line-height:1;letter-spacing:-.055em}
.intro>div>p{max-width:760px;margin:13px 0 0;color:#45504b;font-size:20px}
.privacy-note{max-width:420px;padding:16px 18px;border:1.5px solid var(--ink);border-radius:16px;background:var(--mint);box-shadow:4px 4px 0 var(--ink)}
.privacy-note strong,.privacy-note span,.privacy-note small{display:block}
.privacy-note strong{font-size:14px}
.privacy-note span{margin-top:3px;color:#385047;font-size:12px}
.privacy-note small{margin-top:6px;color:#456359;font-size:10px;font-weight:700}
.desktop-note{display:none;width:calc(100% - 32px);margin:24px auto;padding:20px;border:2px solid var(--ink);border-radius:16px;background:var(--yellow);font-weight:850;text-align:center}
.editor{width:min(1440px,calc(100% - 36px));margin:0 auto;border:2px solid var(--ink);border-radius:24px;background:#fff;box-shadow:var(--shadow);overflow:clip}
.import-bar{display:flex;align-items:stretch;gap:16px;padding:18px;border-bottom:1.5px solid var(--ink);background:#f6f2e7}
.drop-zone{display:flex;min-height:86px;flex:1;align-items:center;gap:15px;padding:15px 20px;border:2px dashed #69726e;border-radius:15px;background:#fffdf8;cursor:pointer;transition:.15s ease}
.drop-zone:hover,.drop-zone.is-dragging{border-color:var(--green);background:var(--mint)}
.drop-zone:focus-within{outline:4px solid rgba(20,121,93,.22);outline-offset:2px}
.drop-zone input{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}
.drop-zone>span:not(.drop-icon){display:flex;min-width:0;flex-direction:column}
.drop-zone strong{font-size:17px}
.drop-zone small{margin-top:3px;color:var(--muted);font-size:11px}
.drop-icon{display:grid;width:42px;height:42px;flex:0 0 42px;place-items:center;border:1.5px solid var(--ink);border-radius:12px;background:var(--yellow);font-size:25px;font-weight:900}
.project-actions{display:flex;align-items:center;gap:10px}
.workspace-status{min-height:33px;margin:0;padding:8px 24px;border-bottom:1px solid var(--line);background:#fff;color:var(--muted);font-size:12px}
.workbench{display:grid;grid-template-columns:minmax(0,1fr) 430px;min-height:760px}
.timeline-panel{min-width:0;padding:22px;border-right:1.5px solid var(--ink)}
.tools-panel{background:#f7fbf9}
.panel-heading,.tool-heading,.clip-heading{display:flex;align-items:center;justify-content:space-between;gap:20px}
.panel-heading>div,.tool-heading{display:flex;align-items:center;gap:11px}
.panel-heading h2,.tool-heading h2{margin:0;font-size:21px;letter-spacing:-.03em}
.panel-heading p,.tool-heading p,.clip-heading p{margin:2px 0 0;color:var(--muted);font-size:11px}
.section-number{display:grid;width:34px;height:32px;flex:0 0 34px;place-items:center;border:1.5px solid var(--ink);border-radius:50%;background:var(--yellow);font-size:10px;font-weight:950}
.zoom-control{display:grid;grid-template-columns:auto 150px 34px;align-items:center;gap:10px;color:var(--muted);font-size:11px;font-weight:750}
.zoom-control output{color:var(--ink);font-weight:900;text-align:right}
input[type="range"]{accent-color:var(--green)}
.wave-scroll{position:relative;height:330px;margin-top:16px;overflow-x:auto;overflow-y:hidden;border:1.5px solid var(--ink);border-radius:15px;background:#fbfdfc;scrollbar-color:var(--green) #e7ece9;scrollbar-width:auto}
.wave-scroll canvas{display:block;height:310px;cursor:crosshair}
.empty-wave{display:flex;height:100%;align-items:center;justify-content:center;flex-direction:column;color:var(--muted);text-align:center}
.empty-wave strong{color:var(--ink);font-size:18px}
.empty-wave span{margin-top:5px;font-size:12px}
.selection-bar{display:grid;grid-template-columns:minmax(160px,1fr) 130px 130px auto auto;align-items:end;gap:10px;margin-top:14px;padding:13px;border:1px solid var(--line);border-radius:14px;background:#faf8f1}
.selection-title{align-self:center}
.selection-title strong,.selection-title span{display:block}
.selection-title span{margin-top:2px;color:var(--muted);font-size:11px}
.selection-bar label,.field,.two-fields label{display:block;color:#37413d;font-size:11px;font-weight:800}
.selection-bar label span,.field>span,.two-fields label>span{display:block;margin-bottom:5px}
input[type="text"],input[type="number"],select{width:100%;min-height:40px;padding:8px 10px;border:1.5px solid #89928e;border-radius:9px;background:#fff;color:var(--ink)}
input:disabled,select:disabled,button:disabled{cursor:not-allowed;opacity:.48}
.button{min-height:40px;padding:8px 14px;border:1.5px solid var(--ink);border-radius:10px;background:#fff;color:var(--ink);font-size:12px;font-weight:900;cursor:pointer}
.button:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 3px 0 rgba(23,32,29,.14)}
.button.primary{background:var(--green);color:#fff}
.button.secondary{background:#fff}
.button.quiet{border-color:#aeb6b2;background:#f5f5f2}
.button.danger{border-color:#8f3025;background:var(--soft-red);color:#7c291f}
.clip-section{margin-top:18px}
.clip-heading{align-items:flex-end;padding-bottom:10px;border-bottom:1px solid var(--line)}
.clip-heading h3{margin:0;font-size:17px}
.clip-heading>span{padding:5px 9px;border-radius:999px;background:var(--mint);color:var(--green-dark);font-size:10px;font-weight:900}
.clip-list{display:grid;gap:8px;margin-top:10px}
.empty-clips{margin:20px 0;color:var(--muted);font-size:12px;text-align:center}
.clip-row{display:grid;grid-template-columns:34px minmax(0,1fr) auto;align-items:center;gap:10px;padding:10px 11px;border:1px solid var(--line);border-radius:12px;background:#fff}
.clip-order{display:grid;width:30px;height:30px;place-items:center;border-radius:8px;background:#eef2ef;font-size:11px;font-weight:900}
.clip-info{min-width:0}
.clip-info strong,.clip-info span{display:block}
.clip-info strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:12px}
.clip-info span{margin-top:2px;color:var(--muted);font-size:10px}
.clip-actions{display:flex;gap:5px}
.clip-actions button{width:32px;height:30px;padding:0;border:1px solid #a6aea9;border-radius:8px;background:#fff;font-weight:900;cursor:pointer}
.clip-actions .remove-clip{width:auto;padding:0 9px;color:#7c291f}
.tool-group{padding:20px;border-bottom:1px solid var(--line)}
.tool-group:last-child{border-bottom:0}
.tool-heading{justify-content:flex-start;align-items:center}
.tool-buttons{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:14px}
.tool-buttons .button{min-height:48px}
.tool-help,.mp3-note{margin:9px 0 0;color:var(--muted);font-size:10px;line-height:1.5}
.range-field{display:block;margin-top:16px}
.range-field>span{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px;font-size:12px}
.range-field output{padding:3px 7px;border-radius:7px;background:#e8eeeb;font-size:11px;font-weight:900}
.range-field input{width:100%}
.two-fields{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:14px}
.two-fields label>div{display:flex;align-items:center}
.two-fields label em{margin-left:-33px;color:var(--muted);font-size:10px;font-style:normal;pointer-events:none}
.two-fields input[type="number"]{padding-right:34px}
.clipping-note{margin:10px 0 0;padding:8px 10px;border-left:3px solid #c67a22;background:#fff7e6;color:#72501f;font-size:10px}
.export-group .field{margin-top:12px}
.export-button{width:100%;min-height:50px;margin-top:14px;background:var(--ink);color:#fff;font-size:14px}
.export-progress{margin-top:12px;padding:12px;border:1px solid var(--line);border-radius:12px;background:#fff}
.export-progress>div{height:7px;overflow:hidden;border-radius:999px;background:#e4e9e6}
.export-progress>div span{display:block;width:0;height:100%;border-radius:inherit;background:var(--green);transition:width .2s ease}
.export-progress strong{display:block;margin-top:8px;font-size:11px}
.export-progress p{margin:2px 0 0;color:var(--muted);font-size:10px}
.export-result{display:grid;gap:9px;margin-top:12px;padding:12px;border:1.5px solid var(--green);border-radius:12px;background:#fff}
.export-result>div strong,.export-result>div span{display:block}
.export-result>div strong{font-size:12px}
.export-result>div span{margin-top:2px;color:var(--muted);font-size:10px}
.export-result audio{width:100%;height:36px}
.export-result a{text-align:center;text-decoration:none}
.transport{position:sticky;bottom:0;z-index:15;display:grid;grid-template-columns:42px 100px 145px minmax(180px,1fr) 42px;align-items:center;gap:12px;padding:13px 18px;border-top:2px solid var(--ink);background:#fffdf8;box-shadow:0 -8px 22px rgba(23,32,29,.09)}
.transport-icon{width:42px;height:42px;border:1.5px solid var(--ink);border-radius:10px;background:#fff;font-size:11px;font-weight:950;cursor:pointer}
.play-button{display:flex;height:44px;align-items:center;justify-content:center;gap:8px;border:0;border-radius:10px;background:var(--green);color:#fff;cursor:pointer}
.play-button span{font-size:16px}
.time-readout{display:flex;align-items:center;gap:6px;font:12px/1.2 ui-monospace,SFMono-Regular,Consolas,monospace}
.time-readout strong{font-size:13px}
.position-range{width:100%}
.guide,.faq{width:min(1120px,calc(100% - 48px));margin:90px auto 0}
.guide{display:grid;grid-template-columns:330px 1fr;gap:50px}
.guide-label{color:var(--green-dark);font-size:11px;font-weight:900;letter-spacing:.1em;text-transform:uppercase}
.guide h2,.faq h2{margin:8px 0 12px;font-size:34px;letter-spacing:-.04em}
.guide>div>p{color:var(--muted);font-size:13px}
.guide-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.guide-grid article{padding:18px;border:1px solid var(--line);border-radius:14px;background:#fff}
.guide-grid article>span{display:grid;width:28px;height:28px;place-items:center;border-radius:8px;background:var(--yellow);font-size:10px;font-weight:900}
.guide-grid h3{margin:12px 0 5px;font-size:16px}
.guide-grid p{margin:0;color:var(--muted);font-size:11px}
.faq{max-width:900px}
.faq details{border-top:1px solid var(--line)}
.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{padding:17px 2px;font-weight:850;cursor:pointer}
.faq details p{margin:0 0 18px;color:var(--muted);font-size:13px}
:focus-visible{outline:4px solid rgba(20,121,93,.25);outline-offset:3px}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
@media(max-width:1099px){.intro{padding-top:40px}.intro h1{font-size:44px}.privacy-note{display:none}.desktop-note{display:block}.editor{display:none}.guide{grid-template-columns:1fr;margin-top:50px}.site-nav nav a:not(.nav-pill){display:none}}