.audio-tools{padding:40px 0 88px;color:var(--foreground);background:var(--background)}.audio-tools__back{display:inline-flex;align-items:center;gap:8px;color:var(--muted-foreground);font-size:13px}.audio-tools__back:hover{color:var(--primary)}.audio-tools__heading{max-width:960px;margin:32px auto 44px;text-align:center}.audio-tools__heading h1{font-size:clamp(32px,4.5vw,56px)}.audio-tools__heading p{max-width:760px;margin:20px auto 0;color:var(--muted-foreground);font-size:16px;line-height:1.75}.audio-tools__editor{padding:32px;border:1px solid var(--border);border-radius:24px;background:var(--card)}.audio-tools__toolbar{display:flex;align-items:center;flex-wrap:wrap;gap:20px;margin-bottom:28px}.audio-tools__filename{flex:1;min-width:0;color:var(--muted-foreground);font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.audio-tools__editor button{display:inline-flex;align-items:center;justify-content:center;gap:8px}.audio-tools__editor svg{width:18px;height:18px}.audio-tools__empty{display:grid;justify-items:center;gap:20px;padding:64px 24px;text-align:center;border:1px dashed var(--border);border-radius:16px}.audio-tools__empty>svg{width:32px;height:32px;color:var(--primary)}.audio-tools__empty h2{font-family:var(--font-poppins),sans-serif;font-size:22px;letter-spacing:-.5px}.audio-tools__empty p,.audio-tools__hint{color:var(--muted-foreground);font-size:12px;line-height:1.8}.audio-tools__waveform{position:relative;height:192px;width:100%;border-radius:12px;background:var(--background);user-select:none;touch-action:none}.audio-tools__waveform canvas{position:absolute;inset:0;width:100%;height:100%;cursor:crosshair}.audio-tools__handle{position:absolute;top:0;bottom:0;width:10px;transform:translateX(-50%);border:1px solid #93e9fc;border-radius:8px;background:var(--primary);cursor:ew-resize;pointer-events:none}.audio-tools__ticks{position:absolute;left:0;right:0;bottom:6px;pointer-events:none}.audio-tools__ticks span{position:absolute;bottom:0;font-size:10px;color:#e4e4e7}.audio-tools__hint{margin-top:20px}.audio-tools__video{display:block;width:min(100%,480px);max-height:240px;margin:24px auto;border-radius:12px;background:#000}.audio-tools__controls{display:grid;grid-template-columns:1fr 1fr 1fr auto;align-items:end;gap:24px;margin:28px 0}.audio-tools__controls label,.audio-tools__controls>div{display:grid;min-width:0;gap:10px;font-size:12px;color:var(--muted-foreground)}.audio-tools__controls input{width:100%;padding:12px 14px;color:var(--foreground);background:var(--background);border:1px solid var(--border);border-radius:12px;font-family:var(--font-code),monospace}.audio-tools__controls strong{padding:12px 0;color:var(--foreground);font-size:16px;font-weight:500}.audio-tools a:focus-visible,.audio-tools__controls input:focus-visible{outline:2px solid var(--primary);outline-offset:3px}.audio-tools__actions{display:flex;align-items:center;flex-wrap:wrap;gap:12px;border-top:1px solid var(--border);padding-top:24px}.audio-tools__actions>button:last-child{margin-left:auto}.audio-tools__guide{display:grid;grid-auto-flow:dense;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px;margin-top:56px}.audio-tools__guide h2{font-family:var(--font-poppins),sans-serif;font-size:18px;letter-spacing:-.3px}.audio-tools__guide p{margin-top:12px;color:var(--muted-foreground);font-size:14px;line-height:1.8}@media (max-width:640px){.audio-tools{padding:28px 0 56px}.audio-tools__heading{margin-bottom:32px}.audio-tools__editor{padding:20px}.audio-tools__empty{padding:40px 16px}.audio-tools__controls{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.audio-tools__actions>button{width:100%}.audio-tools__actions>button:last-child{margin-left:0}.audio-tools__guide{grid-template-columns:1fr;gap:28px;margin-top:40px}}