/* Sonviaf 鈥?浣滃搧搴?/ 浣滃搧妗ｆ鍙?
   Pure white canvas, ink type, lime signal. One work, four actions, honest states. */

:root{
  --bg:#ffffff;
  --surface:#ffffff;
  --surface-2:#f7f7f3;
  --surface-3:#f3f3ec;
  --line:#dcdcd4;
  --line-soft:#e9e9e1;
  --ink:#14181a;
  --ink-2:#2c322e;
  --muted:#6f7771;
  --muted-2:#9aa199;
  --lime:#d6ff45;
  --coral:#ff6b4a;
  --serif:Georgia,"Songti SC","Noto Serif SC",serif;
  --sans:Arial,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --mono:ui-monospace,"SFMono-Regular",Consolas,"Liberation Mono",monospace;
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:14px;line-height:1.65;-webkit-font-smoothing:antialiased;overflow:hidden}
button,a{font:inherit;color:inherit}
button{border:0;background:none;cursor:pointer}
input{font:inherit;color:inherit}
::selection{background:var(--lime);color:var(--ink)}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.muted{color:var(--muted)}

/* ---------- icons ---------- */
.sprite{position:absolute;width:0;height:0;overflow:hidden}
.icon{width:18px;height:18px;display:block;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.icon.solid{fill:currentColor;stroke:none}

/* ---------- shell ---------- */
.app{height:100%;display:grid;grid-template-rows:78px minmax(0,1fr)}
.topbar{display:flex;align-items:center;gap:20px;padding:0 24px;border-bottom:1px solid #050505;background:#050505;color:#fff}
.brand{display:flex;align-items:center;text-decoration:none;flex:0 0 auto}
.brand-logo{display:block;height:52px;width:auto}
.topbar-actions{margin-left:auto;display:flex;align-items:center;gap:10px;min-width:0}
.icon-btn{width:38px;height:38px;border:1px solid transparent;border-radius:50%;display:grid;place-items:center;color:var(--ink);transition:border-color .15s,background .15s}
.icon-btn:hover{border-color:var(--line);background:var(--surface-2)}
.icon-btn.plain{border-color:transparent}
.import-btn{display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 16px;border:1px solid var(--line);font-size:13px;font-weight:700;transition:border-color .15s,background .15s}
.topbar .import-btn{color:#fff;border-color:rgba(255,255,255,.38);background:transparent}
.topbar .import-btn:hover{border-color:var(--acid);background:rgba(199,255,31,.10)}
.import-btn:hover{border-color:var(--ink);background:var(--surface-2)}
.import-btn .icon{width:16px;height:16px}
.search{display:flex;align-items:center;gap:8px;height:36px;padding:0 10px;border:1px solid var(--line);background:var(--surface);color:var(--muted);transition:border-color .15s,color .15s}
.search:focus-within{border-color:var(--ink);color:var(--ink)}
.search .icon{width:14px;height:14px;flex:0 0 auto}
.search input{width:100%;border:0;background:transparent;color:var(--ink);font-size:12.5px;outline:none}
.search input::placeholder{color:var(--muted-2)}

.stage{display:grid;grid-template-columns:268px minmax(0,1fr);min-height:0;min-width:0;overflow:hidden}

/* ---------- library ---------- */
.library{display:flex;flex-direction:column;min-height:0;min-width:0;border-right:1px solid var(--line-soft);background:var(--surface)}
.lib-search{display:flex;align-items:center;gap:6px;padding:16px 14px 12px}
.lib-search .search{flex:1 1 auto}
.lib-toggle{width:30px;height:36px;border:1px solid transparent;border-radius:0;color:var(--muted);flex:0 0 auto}
.lib-toggle:hover{border-color:var(--line);background:var(--surface-2);color:var(--ink)}
.lib-toggle .icon{transition:transform .15s}
.stage.lib-collapsed{grid-template-columns:56px minmax(0,1fr)}
.stage.lib-collapsed .lib-search{justify-content:center;padding:16px 0}
.stage.lib-collapsed .lib-search .search,.stage.lib-collapsed .works{display:none}
.stage.lib-collapsed .lib-toggle{transform:rotate(180deg)}
.lib-count{font-size:11px;color:var(--muted-2)}
.works{list-style:none;margin:0;padding:0 0 14px;flex:1;min-width:0;overflow-y:auto;scrollbar-width:thin;scrollbar-color:#dcdcd4 transparent}
.works::-webkit-scrollbar{width:8px}
.works::-webkit-scrollbar-thumb{background:#dcdcd4;border:2px solid var(--surface)}
.work{position:relative;padding:13px 22px 14px;cursor:pointer;transition:background .12s}
.work:hover{background:var(--surface-2)}
.work.active{background:var(--surface-3);box-shadow:inset 4px 0 0 var(--ink)}
.w-title{font-size:14px;font-weight:600;line-height:1.55;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.w-meta{margin-top:2px;font-family:var(--mono);font-size:10px;letter-spacing:.04em;color:var(--muted-2)}
.work-empty{padding:24px 22px;color:var(--muted);font-size:12px}

/* ---------- bench ---------- */
.bench{display:grid;grid-template-columns:minmax(0,1fr) 64px;grid-template-rows:auto minmax(0,1fr) auto auto auto auto;grid-template-areas:"head rail" "wave rail" "transport rail" "chain rail" "dock rail" "status rail";min-height:0;min-width:0;background:var(--bg)}
.bench-head{grid-area:head;display:flex;align-items:flex-start;gap:16px;padding:34px 38px 10px}
.title-block{min-width:0;flex:1 1 auto}
.viewtabs{display:flex;gap:2px;align-self:center;flex:0 0 auto}
.viewtab{height:26px;padding:0 10px;font-size:10.5px;letter-spacing:.08em;color:var(--muted-2);border:1px solid transparent;background:transparent}
.viewtab.on{color:var(--ink);border-color:var(--line);background:var(--surface-2)}
.work-title{font-family:var(--serif);font-weight:400;font-size:clamp(32px,3vw,44px);line-height:1.12;letter-spacing:-.02em;margin:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.menu-wrap{position:relative;flex:0 0 auto;align-self:flex-start}
.menu{position:absolute;right:0;top:42px;min-width:150px;background:#fff;border:1px solid var(--line);box-shadow:0 14px 30px rgba(20,24,26,.12);z-index:20;display:grid;padding:4px 0}
.menu[hidden]{display:none}
.menu button{text-align:left;padding:9px 14px;font-size:12.5px;color:var(--ink-2)}
.menu button:hover{background:var(--surface-2);color:var(--ink)}

/* ---------- waveform ---------- */
.wave-area{grid-area:wave;display:flex;flex-direction:column;min-height:0;padding:0 38px 10px}
.wave-big{position:relative;display:flex;align-items:center;justify-content:space-between;gap:2px;flex:1;min-height:180px;min-width:0;padding:14px 0;overflow:hidden;cursor:crosshair}
.wave-big i{flex:0 1 4px;min-width:0;background:var(--coral);opacity:.95}
.wave-big .head{position:absolute;top:0;bottom:0;left:0;width:1px;background:var(--ink);opacity:0;pointer-events:none;transition:opacity .15s}
.wave-big .head.active{opacity:.85}
.wave-area[hidden],.roll[hidden],.score[hidden]{display:none!important}
.roll{grid-area:wave;min-height:0;overflow:auto;padding:0 38px 10px}
.roll-head{font-size:10.5px;color:var(--muted-2);letter-spacing:.04em;margin:0 0 10px}
.roll svg{display:block;border:1px solid var(--line-soft);background:#fff}
.score{grid-area:wave;display:flex;flex-direction:column;min-height:0;overflow:hidden;padding:0 0 12px;position:relative}
.score-progress{height:2px;background:#e9e9e1;margin:0}
.score-progress i{display:block;height:100%;width:0;background:var(--ink)}
.score-head{flex:0 0 auto;background:var(--bg);padding:6px 38px 8px}
.score-scroll{flex:1;display:flex;align-items:center;gap:18px;overflow-x:auto;overflow-y:hidden;padding:8px 38px 16px}
.score-scroll svg{display:block;background:#fff;border:1px solid var(--line-soft);box-shadow:0 10px 30px rgba(20,24,26,.04)}
.score-cursor{position:absolute;top:0;bottom:0;left:0;width:2px;background:var(--coral);opacity:0;pointer-events:none;box-shadow:0 0 0 1px rgba(255,107,74,.15)}
.score-page.current .score-cursor{opacity:1}
.score-page.current img{border-color:var(--ink)}
.score-page-ind{font-family:var(--mono);font-size:10px;color:var(--muted-2);margin-left:8px}
.score img{display:block;height:min(70vh,740px);width:auto;max-width:none;border:1px solid var(--line-soft);background:#fff}
.viewempty{display:grid;place-items:center;height:100%;min-height:180px;color:var(--muted-2);font-size:11.5px;letter-spacing:.06em}
.wave-big .head::before{content:"";position:absolute;top:0;left:-3px;width:7px;height:7px;background:var(--lime);border:1px solid var(--ink);border-radius:50%;box-sizing:border-box}
.wave-empty{flex:1;display:grid;place-items:center;gap:10px;color:var(--muted-2);font-size:11.5px;letter-spacing:.06em;text-align:center}
.wave-empty .icon{width:24px;height:24px}

/* ---------- transport ---------- */
.transport{grid-area:transport;display:flex;align-items:center;gap:14px;padding:12px 38px 18px;border-top:1px solid var(--line-soft);min-width:0}
.play{width:36px;height:36px;border-radius:50%;background:var(--lime);color:var(--ink);display:grid;place-items:center;flex:0 0 auto}
.play .icon{width:14px;height:14px}
.play:hover{box-shadow:0 0 0 5px rgba(20,24,26,.06)}
.time{font-size:10.5px;color:var(--ink);flex:0 0 auto}
.timeline{position:relative;flex:1 1 auto;height:3px;background:#dcdcd4;cursor:pointer;min-width:40px}
.timeline .progress{position:absolute;inset:0 auto 0 0;width:0;background:var(--ink)}
.ab{display:flex;border:1px solid var(--line);flex:0 0 auto}
.ab button{padding:3px 9px;font-size:10px;letter-spacing:.04em;color:var(--muted);background:#fff}
.ab button.on{background:var(--ink);color:#fff}
.ab button:disabled{opacity:.35;cursor:not-allowed}

/* ---------- processing chain ---------- */
.chain{grid-area:chain;display:flex;align-items:center;gap:10px;padding:6px 38px;border-top:1px solid var(--line-soft);min-width:0}
.chain-label{font-size:10px;letter-spacing:.14em;color:var(--muted-2);flex:0 0 auto}
.chain-list{display:flex;align-items:center;gap:6px;min-width:0;overflow-x:auto;scrollbar-width:none}
.chain-chip{display:inline-flex;align-items:center;gap:5px;height:28px;padding:0 8px;border:1px solid var(--line);background:#fff;font-size:11px;color:var(--ink);flex:0 0 auto}
.chain-chip .icon{width:13px;height:13px}
.chain-chip:hover{border-color:var(--ink)}
.chain-chip.bypassed{opacity:.45;text-decoration:line-through}
.chain-empty{font-size:11px;color:var(--muted-2)}
.chain-flag{font-size:9px;letter-spacing:.06em;color:var(--muted-2);border:1px solid var(--line);padding:1px 5px;flex:0 0 auto}

/* ---------- post-processing dock ---------- */
.dock{grid-area:dock;display:flex;align-items:center;gap:6px;padding:12px 38px 14px;border-top:1px solid var(--line-soft);min-width:0}
.dock-tools{display:flex;gap:6px}
.tool{width:46px;height:46px;border:1px solid var(--line);background:#fff;display:grid;place-items:center;color:var(--ink);transition:border-color .15s,background .15s}
.tool:hover{border-color:var(--ink);background:var(--surface-2)}
.tool .icon{width:19px;height:19px}

/* ---------- rail ---------- */
.rail{grid-area:rail;display:flex;flex-direction:column;align-items:center;gap:10px;padding:20px 0 16px;border-left:1px solid var(--line-soft);min-height:0;overflow:visible}
.rail-tools{display:grid;gap:6px}
.action{display:inline-flex;align-items:center;justify-content:center;width:46px;height:46px;padding:0;border:1px solid var(--line);background:var(--surface);color:var(--ink);transition:border-color .15s,background .15s,opacity .15s}
.action .icon{width:19px;height:19px}
.action:hover{border-color:var(--ink);background:var(--surface-2)}
.action.primary{background:var(--lime);border-color:var(--lime)}
.action.primary:hover{background:#c9f53a;border-color:#c9f53a}
.action:disabled{opacity:.45;cursor:not-allowed;background:var(--surface-2);border-color:var(--line)}
.status{grid-area:status;display:flex;align-items:center;gap:10px;margin:8px 38px 18px;padding:10px 14px;border:1px solid var(--line-soft);background:var(--surface-2);font-size:12px;color:var(--ink-2);letter-spacing:.02em}
.status[hidden]{display:none}
.status .icon{width:14px;height:14px;color:var(--coral);flex:0 0 auto}

/* ---------- details drawer ---------- */
.details{position:fixed;top:66px;right:0;bottom:0;width:340px;max-width:100%;background:#fff;border-left:1px solid var(--line);box-shadow:-18px 0 40px rgba(20,24,26,.08);z-index:30;overflow-y:auto}
.details[hidden]{display:none}
.details-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--line-soft);font-size:13px;font-weight:700;letter-spacing:.04em}
.details-list{margin:0;padding:8px 20px 24px}
.details-list .row{display:flex;justify-content:space-between;gap:14px;padding:10px 0;border-bottom:1px solid var(--line-soft);font-size:12px}
.details-list dt{color:var(--muted-2);flex:0 0 auto}
.details-list dd{margin:0;text-align:right;color:var(--ink);word-break:break-all}

/* ---------- modal ---------- */
.modal{position:fixed;inset:0;background:rgba(20,24,26,.35);display:grid;place-items:center;padding:24px;z-index:40}
.modal[hidden]{display:none}
.modal-panel{width:min(400px,100%);background:#fff;border:1px solid var(--line);box-shadow:0 30px 70px rgba(20,24,26,.2);padding:24px}
.modal-panel h2{margin:0 0 6px;font-family:var(--serif);font-weight:400;font-size:26px;letter-spacing:-.02em}
.modal-note{margin:0 0 16px;font-size:12px;color:var(--muted)}
.choice{display:flex;align-items:center;gap:10px;padding:9px 0;font-size:13px;cursor:pointer}
.choice input{accent-color:var(--ink)}
.modal-actions{display:flex;gap:10px;margin-top:18px}
.btn{height:38px;padding:0 16px;border:1px solid var(--line);font-size:13px;font-weight:700;background:#fff}
.btn.primary{background:var(--lime);border-color:var(--lime)}
.btn.ghost{background:#fff}
.btn:hover{border-color:var(--ink)}

/* ---------- processing panel ---------- */
.proc{position:fixed;top:66px;right:64px;bottom:0;width:320px;max-width:100%;background:#fff;border-left:1px solid var(--line);box-shadow:-18px 0 40px rgba(20,24,26,.1);z-index:35;display:flex;flex-direction:column}
.proc[hidden]{display:none}
.proc-head{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--line-soft)}
.proc-title{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.03em}
.proc-title .icon{width:16px;height:16px}
.proc-body{flex:1;overflow-y:auto;padding:16px 18px}
.proc-tags{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.chip{font-size:9px;letter-spacing:.08em;color:var(--muted-2);border:1px solid var(--line);padding:1px 5px;line-height:1.5}
.bypass{display:flex;align-items:center;gap:6px;font-size:11px;color:var(--muted)}
.bypass input{accent-color:var(--ink)}
.param{display:grid;grid-template-columns:64px minmax(0,1fr) 52px;align-items:center;gap:8px;margin-bottom:12px}
.param label{font-size:11.5px;color:var(--ink-2)}
.param input[type="range"]{width:100%;accent-color:var(--ink)}
.param output{font-family:var(--mono);font-size:10px;color:var(--muted);text-align:right}
.param select{width:100%;height:28px;border:1px solid var(--line);background:#fff;font-size:11.5px;padding:0 6px}
.proc-sub{margin:16px 0 8px;font-size:10px;letter-spacing:.14em;color:var(--muted-2)}
.proc-meters{display:grid;gap:6px}
.meter{display:flex;justify-content:space-between;font-size:11px;color:var(--muted);border-bottom:1px solid var(--line-soft);padding-bottom:5px}
.meter b{font-family:var(--mono);font-weight:400;color:var(--ink)}
.proc-hint{margin:8px 0 0;font-size:10px;color:var(--muted-2)}
.proc-versions{display:grid;gap:6px}
.ver{display:flex;align-items:center;justify-content:space-between;height:32px;padding:0 10px;border:1px solid var(--line);background:#fff;font-size:11.5px}
.ver em{font-style:normal;font-size:10px;color:var(--muted-2)}
.ver.on{border-color:var(--ink);background:var(--surface-2)}
.ver:disabled{opacity:.45}
.proc-foot{display:flex;gap:8px;padding:12px 18px;border-top:1px solid var(--line-soft)}

/* ---------- toasts ---------- */
.toasts{position:fixed;left:24px;bottom:24px;display:grid;gap:8px;z-index:60;max-width:min(360px,calc(100vw - 32px))}
.toast{padding:11px 14px;background:var(--ink);border-left:2px solid var(--lime);color:#fff;font-size:12px;line-height:1.6;box-shadow:0 12px 30px rgba(20,24,26,.22);animation:toast-in .18s ease}
.toast b{color:var(--lime);font-weight:700}
@keyframes toast-in{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

/* ---------- responsive ---------- */
@media (max-width:1360px){
  .stage{grid-template-columns:252px minmax(0,1fr)}
  .bench-head,.wave-area,.transport,.dock{padding-left:28px;padding-right:28px}
  .status{margin-left:28px;margin-right:28px}
}
@media (max-width:980px){
  .brand-logo{height:44px}
  .work-title{font-size:30px}
}
@media (max-width:860px){
  body{overflow:auto}
  .app{height:auto;min-height:100dvh;grid-template-rows:auto auto;align-content:start}
  .topbar{height:auto;flex-wrap:wrap;gap:10px;padding:14px;position:sticky;top:0;z-index:20;background:#050505}
  .topbar-actions{margin-left:0;width:100%;justify-content:flex-end}
  .stage{grid-template-columns:1fr;overflow:visible}
  .library{border-right:0;border-bottom:1px solid var(--line-soft)}
  .works{display:flex;min-width:0;overflow-x:auto;overflow-y:hidden;flex:0 0 auto;padding-bottom:0}
  .work{min-width:230px;border-right:1px solid var(--line-soft)}
  .bench{grid-template-columns:1fr;grid-template-rows:auto auto auto auto auto auto auto;grid-template-areas:"head" "wave" "transport" "chain" "dock" "rail" "status"}
  .rail{flex-direction:row;align-items:center;border-left:0;border-top:1px solid var(--line-soft);padding:10px 16px;gap:8px}
  .rail-tools{display:flex;gap:6px}
  .lib-toggle{display:none}
  .stage.lib-collapsed{grid-template-columns:1fr}
  .bench-head{padding:22px 16px 12px;gap:12px;flex-wrap:wrap}
  .viewtabs{order:3;flex:1 0 100%}
  .roll,.score{padding-left:16px;padding-right:16px}
  .work-title{font-size:28px;white-space:normal}
  .wave-area{padding:0 16px 8px}
  .wave-big{min-height:200px}
  .transport{padding:12px 16px}
  .dock{padding:10px 16px 14px;gap:6px}
  .dock-tools{overflow-x:auto;scrollbar-width:none}
  .chain{padding:6px 16px}
  .proc{top:0;right:0;width:100%}
  .actions{padding:14px 16px 8px;display:flex;gap:6px}
  .status{margin:8px 16px 16px;padding:10px 12px}
  .details{top:0;width:100%}
  .toasts{left:14px;right:14px;bottom:14px;max-width:none}
}
@media (max-width:520px){
  .work-title{font-size:26px}
  .import-btn span{display:none}
  .import-btn{padding:0 12px}
}