/* (c) 2026 aiidea.co.uk. All rights reserved. */
:root{--bg: #06070f;--bg2: #0b0d1a;--panel: rgba(17, 19, 36, .78);--line: rgba(140, 150, 255, .12);--line2: rgba(140, 150, 255, .22);--text: #e8eaff;--mute: #8a8fb8;--cyan: #5ef2ff;--violet: #9b7bff;--pink: #ff4fb4;--amber: #ffb547;--good: #63f5a6;--r: 12px;--mono: "JetBrains Mono", ui-monospace, Consolas, monospace}*{box-sizing:border-box}[hidden]{display:none!important}html,body{margin:0;height:100%;background:var(--bg);color:var(--text);font:14px/1.4 Inter,system-ui,-apple-system,Segoe UI,sans-serif;overflow:hidden}button{font:inherit;color:inherit}svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:none}#app{height:100%;display:grid;grid-template-columns:64px 1fr 320px;grid-template-rows:56px 1fr;grid-template-areas:"top top top" "tools stage panel";background:radial-gradient(1200px 500px at 20% -10%,rgba(120,80,255,.12),transparent 60%),radial-gradient(900px 400px at 100% 0%,rgba(255,79,180,.08),transparent 60%),var(--bg)}.top{grid-area:top;display:flex;align-items:center;gap:16px;padding:0 14px 0 12px;border-bottom:1px solid var(--line);background:#06070fb3;backdrop-filter:blur(10px)}.brand{display:flex;align-items:center;gap:10px;min-width:0}.logo{width:34px;height:34px}.brand-text{display:flex;flex-direction:column;line-height:1.1}.brand-text b{font-size:17px;letter-spacing:.02em;background:linear-gradient(90deg,#fff,#c9c4ff 50%,#ffb3dc);-webkit-background-clip:text;background-clip:text;color:transparent}.brand-text span{font-size:11px;color:var(--mute);letter-spacing:.08em;text-transform:uppercase}.file{flex:1;min-width:0;color:var(--mute);font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;text-align:center}.top-actions{display:flex;gap:8px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;height:34px;padding:0 13px;border-radius:9px;border:1px solid var(--line2);background:#ffffff08;cursor:pointer;white-space:nowrap;transition:background .15s,border-color .15s,transform .08s,box-shadow .2s}.btn:hover{background:#ffffff12;border-color:#a0aaff66}.btn:active{transform:translateY(1px)}.btn:disabled{opacity:.4;cursor:default}.btn.ghost{border-color:transparent;background:transparent}.btn.ghost:hover{background:#ffffff0f}.btn.primary{border-color:transparent;background:linear-gradient(135deg,#6b5cff,#c34bff 55%,#ff4fb4);color:#fff;font-weight:600;box-shadow:0 4px 22px #aa50ff59}.btn.primary:hover{box-shadow:0 4px 30px #be5aff8c;filter:brightness(1.08)}.btn.small{height:28px;font-size:12.5px;padding:0 10px}.btn.icon{width:34px;padding:0}.btn.wide{flex:1}.btn.rec{color:#ff6b8b;border-color:#ff5a7899;animation:pulse 1s infinite}@keyframes pulse{50%{box-shadow:0 0 0 4px #ff507840}}.tools{grid-area:tools;display:flex;flex-direction:column;align-items:center;gap:4px;padding:10px 0;border-right:1px solid var(--line);background:#06070f80}.tools button{width:52px;height:50px;border:1px solid transparent;border-radius:10px;background:transparent;cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;color:var(--mute);transition:all .15s}.tools button span{font-size:10px;letter-spacing:.02em}.tools button:hover{color:var(--text);background:#ffffff0d}.tools button.on{color:var(--cyan);background:#5ef2ff14;border-color:#5ef2ff59;box-shadow:inset 0 0 18px #5ef2ff14}.tools .sep{width:32px;height:1px;background:var(--line2);margin:8px 0}.stage{grid-area:stage;display:flex;flex-direction:column;min-width:0;min-height:0}.wave{height:84px;flex:none;position:relative;border-bottom:1px solid var(--line);background:linear-gradient(180deg,#0a0c1acc,#06070fe6)}.spec{flex:1;position:relative;min-height:0;overflow:hidden;touch-action:none}.wave canvas,.spec canvas,.mini canvas{position:absolute;inset:0;width:100%;height:100%;display:block}.spec #overlay{pointer-events:none}.spec.cur-cross{cursor:crosshair}.spec.cur-wand{cursor:cell}.spec.cur-pan{cursor:grabbing}.mini{height:44px;flex:none;position:relative;border-top:1px solid var(--line);cursor:pointer}.hover{position:absolute;pointer-events:none;padding:4px 8px;border-radius:6px;background:#06070fd1;border:1px solid var(--line2);font:11.5px var(--mono);color:#cfd3ff;white-space:nowrap;display:none;z-index:2}.caption{position:absolute;left:50%;bottom:22px;transform:translate(-50%,10px);padding:10px 20px;border-radius:14px;background:#080914c7;border:1px solid rgba(160,170,255,.28);backdrop-filter:blur(8px);font-size:22px;font-weight:600;letter-spacing:.01em;white-space:nowrap;opacity:0;transition:opacity .35s,transform .35s;pointer-events:none;z-index:3;box-shadow:0 10px 40px #00000073}.caption.on{opacity:1;transform:translate(-50%)}.caption em{font-style:normal;color:var(--cyan)}.toast{position:absolute;left:50%;top:16px;transform:translate(-50%,-8px);min-width:240px;padding:10px 14px;border-radius:12px;background:#0c0d1ce6;border:1px solid var(--line2);box-shadow:0 10px 40px #00000080;opacity:0;transition:opacity .2s,transform .2s;pointer-events:none;z-index:3}.toast.on{opacity:1;transform:translate(-50%)}.toast-label{font-size:13px;margin-bottom:7px}.toast-bar{height:4px;border-radius:3px;background:#ffffff14;overflow:hidden}.toast-bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--cyan),var(--violet),var(--pink));transition:width .15s}.toast.indet .toast-bar i{width:35%!important;animation:indet 1.1s infinite ease-in-out}@keyframes indet{0%{transform:translate(-100%)}to{transform:translate(300%)}}.drop{position:absolute;inset:14px;border:2px dashed rgba(94,242,255,.5);border-radius:18px;display:none;align-items:center;justify-content:center;background:#06070fbf;z-index:4}.drop.on{display:flex}.drop div{display:flex;flex-direction:column;align-items:center;gap:6px}.drop b{font-size:22px}.drop span{color:var(--mute)}.transport{height:56px;flex:none;display:flex;align-items:center;gap:14px;padding:0 14px;border-top:1px solid var(--line);background:#06070fb3}.play{width:40px;height:40px;border-radius:50%;border:none;cursor:pointer;display:grid;place-items:center;background:linear-gradient(135deg,#5ef2ff,#7d7bff);color:#06070f;box-shadow:0 0 22px #5ef2ff59}.play svg{fill:currentColor;stroke:none;width:18px;height:18px}.play .i-pause,.play.on .i-play{display:none}.play.on .i-pause{display:block}.clock{font:600 15px var(--mono);letter-spacing:.02em;display:flex;align-items:baseline;gap:6px;min-width:190px}.clock small{color:var(--mute);font-weight:400;font-size:12px}.ab{position:relative;display:flex;padding:3px;border-radius:10px;background:#ffffff0d;border:1px solid var(--line2)}.ab button{position:relative;z-index:1;border:none;background:none;padding:5px 12px;font-size:12.5px;font-weight:600;color:var(--mute);cursor:pointer;transition:color .2s}.ab button.on{color:#06070f}.ab i{position:absolute;top:3px;bottom:3px;border-radius:7px;background:linear-gradient(135deg,#63f5a6,#5ef2ff);transition:left .22s cubic-bezier(.5,1.6,.5,1),width .22s,background .2s}.ab.orig i{background:linear-gradient(135deg,#ffb547,#ff7a59)}.chip{display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 10px;border-radius:8px;border:1px solid var(--line2);background:none;color:var(--mute);cursor:pointer;font-size:12.5px}.chip.on{color:var(--cyan);border-color:#5ef2ff73;background:#5ef2ff12}.chip svg{width:15px;height:15px}.grow{flex:1}.slider{display:flex;align-items:center;gap:7px;font-size:11.5px;color:var(--mute)}input[type=range]{-webkit-appearance:none;appearance:none;width:110px;height:4px;border-radius:3px;background:#ffffff1f;outline:none;cursor:pointer}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:14px;height:14px;border-radius:50%;background:#fff;box-shadow:0 0 0 3px #7d7bff73}input[type=range]::-moz-range-thumb{width:14px;height:14px;border:none;border-radius:50%;background:#fff;box-shadow:0 0 0 3px #7d7bff73}.panel{grid-area:panel;overflow-y:auto;padding:10px;display:flex;flex-direction:column;gap:8px;border-left:1px solid var(--line);background:#06070f8c;scrollbar-width:thin;scrollbar-color:#2a2d4a transparent}.card{border:1px solid var(--line);border-radius:var(--r);background:var(--panel);padding:9px 11px;display:flex;flex-direction:column;gap:7px}.card .btn{height:31px}.card-h{display:flex;align-items:baseline;justify-content:space-between;gap:8px}.card-h b{font-size:13.5px;font-weight:600}.card-h span{font-size:11.5px;color:var(--mute);text-align:right}.row{display:flex;align-items:center;gap:8px}.row input[type=range]{flex:1;width:auto;min-width:60px}output{font:11.5px var(--mono);color:var(--mute);min-width:46px;text-align:right}.card.mod .btn:not(.small){min-width:120px}.card.flash{animation:flash 1.2s}@keyframes flash{0%{border-color:#63f5a6e6;box-shadow:0 0 24px #63f5a640}to{border-color:var(--line);box-shadow:none}}.sel.has{border-color:#5ef2ff59;box-shadow:0 0 24px #5ef2ff0f}.guide{border-color:#9b7bff59;background:linear-gradient(160deg,#3c288c59,#111324cc)}.score{display:flex;flex-direction:column;gap:6px}.score-top{display:flex;justify-content:space-between;align-items:baseline;font-size:12px;color:var(--mute)}.score-top b{font:600 20px var(--mono);color:var(--text)}.score-top b.up{animation:up 1.2s}@keyframes up{0%{color:var(--good);text-shadow:0 0 16px rgba(99,245,166,.8)}to{color:var(--text)}}.score small{font-size:11px;color:var(--mute);line-height:1.35}.meter{height:6px;border-radius:4px;background:#ffffff12;overflow:hidden}.meter i{display:block;height:100%;width:0;border-radius:4px;background:linear-gradient(90deg,#ff7a59,#ffb547 35%,#63f5a6 75%,#5ef2ff);transition:width .8s cubic-bezier(.3,1.3,.5,1)}#steps{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:6px;counter-reset:s}#steps li{counter-increment:s;display:flex;align-items:baseline;gap:8px;font-size:12.5px;flex-wrap:wrap}#steps li:before{content:counter(s);flex:none;width:18px;height:18px;border-radius:50%;display:inline-grid;place-items:center;font-size:10.5px;font-weight:700;background:#ffffff14;color:var(--mute);transform:translateY(3px)}#steps li em{font-style:normal;font-size:11px;color:var(--mute)}#steps li.done{color:var(--mute);text-decoration:line-through;text-decoration-color:#63f5a699}#steps li.done:before{content:"\2713";background:var(--good);color:#06070f}.hist ol{margin:0;padding:0;list-style:none;max-height:170px;overflow-y:auto;font-size:12.5px}.hist li{padding:4px 8px;border-radius:6px;color:var(--mute)}.hist li.cur{color:var(--text);background:#7d7bff24}.hist li.future{opacity:.45;text-decoration:line-through}.link{border:none;background:none;color:var(--cyan);cursor:pointer;padding:0;font-size:11.5px}.foot{font-size:11.5px;color:var(--mute);text-align:center;padding:4px 0 8px}.foot a{color:var(--cyan);text-decoration:none}.modal{position:fixed;inset:0;background:#0000008c;display:grid;place-items:center;z-index:10;backdrop-filter:blur(4px)}.modal[hidden]{display:none}.modal-card{width:min(340px,calc(100vw - 32px));background:#10122a;border:1px solid var(--line2);border-radius:14px;padding:18px;display:flex;flex-direction:column;gap:12px;box-shadow:0 20px 80px #0009}.modal-card .row{justify-content:flex-end;margin-top:4px}.modal-card label{display:flex;gap:8px;align-items:center;cursor:pointer}.help dl{display:grid;grid-template-columns:auto 1fr;gap:6px 14px;margin:0;font-size:13px}.help dt{font:600 12px var(--mono);color:var(--cyan)}.help dd{margin:0;color:var(--mute)}.help{width:min(420px,calc(100vw - 32px))}@media (max-width: 1100px){#app{grid-template-columns:56px 1fr 280px}.tools button{width:46px}.slider span:first-child{display:none}}@media (max-width: 820px){html,body{overflow:auto;height:auto}#app{height:auto;min-height:100%;grid-template-columns:1fr;grid-template-rows:52px auto auto auto;grid-template-areas:"top" "tools" "stage" "panel"}.top{gap:8px;padding:0 8px;position:sticky;top:0;z-index:5}.brand-text span,.file{display:none}.file{flex:0}.top-actions{margin-left:auto;gap:2px}.top-actions .btn{padding:0 9px}.top-actions .btn span{display:none}.tools{flex-direction:row;justify-content:space-between;padding:4px 8px;border-right:none;border-bottom:1px solid var(--line);overflow-x:auto}.tools button{width:auto;min-width:46px;flex:1;height:46px}.tools .sep{display:none}.stage{height:64vh;min-height:380px}.wave{height:60px}.transport{flex-wrap:wrap;height:auto;padding:8px 10px;gap:8px 10px}.clock{min-width:0;font-size:13px}.grow{display:none}.slider{flex:1}.slider input{flex:1;width:auto}.panel{border-left:none;overflow:visible}}