/* K-Space · Co-Synthesis edition — paper & ink over the shared SIGNA theme (Helvetica Neue bold, 1px rules). */

:root{--bg:#ffffff;--panel:#ffffff;--panel2:#f5f6f8;--line:#e6e8ec;--ink:#17191f;--mute:#6f7480;--purple:#2a6df4;--purple-d:#1f5fe0;--accent-soft:#edf3ff;--ok:#0f9d6b;--warn:#c47a06;--err:#d13d3d;--mono:"JetBrains Mono",ui-monospace,Menlo,monospace}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{font-family:"Source Sans 3",sans-serif;background:var(--bg);color:var(--ink);font-size:13px;overflow:hidden;display:flex;flex-direction:column;-webkit-font-smoothing:antialiased}
button{font-family:inherit;color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:4px;padding:5px 11px;cursor:pointer;font-size:12.5px;transition:border-color .12s,background .12s}
button:hover{border-color:#b9c4d6;background:#fafbfc}
button.primary{background:var(--purple-d);border-color:var(--purple-d);color:#fff;font-weight:600}
button.primary:hover{background:#1a53c7}
button.on{background:var(--accent-soft);border-color:var(--purple);color:var(--purple-d)}
button:disabled{opacity:.4;cursor:default}
select{font-family:inherit;background:#fff;border:1px solid var(--line);color:var(--ink);border-radius:4px;padding:4px 7px;font-size:12px}
.top{height:44px;background:var(--panel);border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 14px;gap:14px;flex:none}
.top .brand{display:flex;align-items:center;gap:9px;font-weight:600;letter-spacing:.1px}
.top .brand b{width:24px;height:24px;border-radius:50%;background:var(--ink);color:#fff;display:grid;place-items:center;font-size:10px;font-weight:700}
.top .tabs{display:flex;gap:2px;margin-left:16px}
.top .tabs button{border:0;background:none;padding:5px 12px;color:var(--mute);border-radius:4px}
.top .tabs button.on{background:var(--panel2);color:var(--ink)}
.top .status{margin-left:auto;display:flex;gap:14px;color:var(--mute);font-size:11.5px;font-family:var(--mono)}
.top .status i{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--ok);margin-right:5px}
.exam{height:30px;background:#fafbfc;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:22px;padding:0 14px;font-family:var(--mono);font-size:11.5px;color:var(--mute);flex:none;overflow:hidden;white-space:nowrap}
.exam b{color:var(--ink);font-weight:500}
.main{flex:1;display:grid;grid-template-columns:270px 1fr 290px;min-height:0}
.side{background:var(--panel);border-right:1px solid var(--line);overflow:auto;display:flex;flex-direction:column}
.side.r{border-right:0;border-left:1px solid var(--line)}
.sec{padding:12px 14px;border-bottom:1px solid var(--line)}
.sec h4{font-size:10.5px;text-transform:uppercase;letter-spacing:1.2px;color:var(--mute);margin-bottom:8px;font-weight:600}
.pt{padding:7px 9px;border-radius:4px;cursor:pointer;font-size:12.5px;line-height:1.35}
.pt:hover{background:var(--panel2)}
.pt.on{background:var(--accent-soft);outline:1px solid #c9dbff}
.pt small{color:var(--mute);display:block}
.pt .id{font-family:var(--mono);font-size:11px;color:var(--mute)}
.cat .h{font-size:11.5px;color:var(--mute);padding:6px 0 3px}
.seq{display:flex;align-items:center;gap:7px;padding:4px 5px;border-radius:4px;cursor:pointer;font-size:12.5px}
.seq:hover{background:var(--panel2)}
.seq.on{background:var(--accent-soft)}
.seq .chk{width:13px;height:13px;border:1px solid #c5c9d1;border-radius:3px;flex:none;display:grid;place-items:center;font-size:9px;background:#fff;color:#fff}
.seq.on .chk{background:var(--purple);border-color:var(--purple)}
.seq .t{color:var(--mute);margin-left:auto;font-size:11px;font-family:var(--mono)}
.badge{font-size:10px;padding:1px 7px;border-radius:999px;background:var(--panel2);color:var(--mute);border:1px solid var(--line)}
.center{display:flex;flex-direction:column;min-width:0;min-height:0}
.toolbar{height:40px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:5px;padding:0 10px;background:var(--panel);flex:none}
.toolbar .sp{flex:1}
.view{flex:1;position:relative;background:#fff;min-height:0;overflow:hidden}
.ov{position:absolute;font-family:var(--mono);font-size:11px;color:#2b2f38;background:rgba(255,255,255,.88);padding:4px 7px;border-radius:4px;pointer-events:none;line-height:1.45;white-space:pre}
.ov.tl{top:8px;left:10px}.ov.tr{top:8px;right:10px;text-align:right}.ov.bl{bottom:8px;left:10px}.ov.br{bottom:8px;right:10px;text-align:right}
.fill{position:absolute;inset:0;display:grid;place-items:center}
.split{position:absolute;inset:0;display:grid;grid-template-columns:1fr 1fr}
.split>div{position:relative;display:grid;place-items:center;border-right:1px solid var(--line)}
.split>div:last-child{border:0}
.split .lbl{position:absolute;top:8px;left:50%;transform:translateX(-50%);font-size:11px;padding:2px 9px;border-radius:999px;background:rgba(255,255,255,.9);border:1px solid var(--line);color:var(--ink)}
canvas.img{max-width:100%;max-height:100%;background:#000}
.bottom{height:112px;border-top:1px solid var(--line);background:var(--panel);display:flex;gap:8px;padding:8px 10px;overflow-x:auto;flex:none}
.thumb{width:132px;flex:none;border:1px solid var(--line);border-radius:4px;overflow:hidden;cursor:pointer;background:#fff;position:relative}
.thumb.on{border-color:var(--purple);box-shadow:0 0 0 1px var(--purple)}
.thumb canvas{width:100%;height:72px;display:block;object-fit:cover;background:#000}
.thumb span{display:block;font-size:10.5px;padding:2px 6px;background:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-family:var(--mono);color:var(--ink)}
.thumb .st{position:absolute;top:3px;right:3px;font-size:9.5px;padding:1px 4px;border-radius:3px;background:rgba(255,255,255,.85);color:var(--ink)}
.row{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:3px 0;font-size:12.5px}
.row span:last-child{color:var(--mute);font-family:var(--mono);font-size:11.5px}
.kv{font-size:12px;display:grid;grid-template-columns:1fr auto;gap:3px 10px}
.kv b{font-weight:400;color:var(--mute)}
.kv span{font-family:var(--mono);font-size:11.5px;text-align:right}
.prog{height:4px;background:var(--line);border-radius:3px;overflow:hidden;margin:8px 0}
.prog i{display:block;height:100%;background:var(--purple);width:0;transition:width .15s}
.toggle{display:flex;align-items:center;justify-content:space-between;padding:5px 0;font-size:12.5px}
.sw{width:32px;height:18px;border-radius:999px;background:#d9dde3;position:relative;cursor:pointer;flex:none}
.sw::after{content:"";position:absolute;top:2px;left:2px;width:14px;height:14px;border-radius:50%;background:#fff;box-shadow:0 1px 2px rgba(0,0,0,.2);transition:left .15s}
.sw.on{background:var(--purple)}.sw.on::after{left:16px}
.log{font-family:var(--mono);font-size:10.5px;color:var(--mute);max-height:170px;overflow:auto;line-height:1.5}
.log .ok{color:var(--ok)}.log .w{color:var(--warn)}.log .e{color:var(--err)}
.quant table{width:100%;border-collapse:collapse;font-size:12px}
.quant td{padding:3px 0;border-bottom:1px solid var(--line)}
.quant td:last-child{text-align:right;font-family:var(--mono);font-size:11.5px}
.hint{font-size:11.5px;color:var(--mute);line-height:1.4}
.cm{display:flex;gap:5px;flex-wrap:wrap}
.cm button{padding:3px 8px;font-size:11.5px}
.meter{display:grid;grid-template-columns:auto 1fr auto;gap:6px 8px;align-items:center;font-size:11.5px;font-family:var(--mono);color:var(--mute)}
.meter i{height:4px;background:var(--line);border-radius:3px;overflow:hidden;display:block}
.meter i b{display:block;height:100%;background:var(--ok)}
.modal{position:fixed;inset:0;background:rgba(23,25,31,.35);display:none;place-items:center;z-index:50}
.modal.on{display:grid}
.modal .box{background:#fff;border:1px solid var(--line);border-radius:8px;width:640px;max-height:82vh;overflow:auto;padding:20px;box-shadow:0 12px 40px rgba(0,0,0,.12)}
.modal h3{margin-bottom:10px;font-size:15px;font-weight:600}
.modal pre{font-family:var(--mono);font-size:11.5px;white-space:pre-wrap;line-height:1.5;color:var(--ink)}
.toast{position:fixed;bottom:130px;left:50%;transform:translateX(-50%);background:#fff;border:1px solid var(--line);box-shadow:0 6px 24px rgba(0,0,0,.1);padding:7px 14px;border-radius:6px;font-size:12.5px;opacity:0;transition:opacity .2s;pointer-events:none;z-index:60}
.toast.on{opacity:1}
.axis{position:absolute;bottom:8px;left:50%;transform:translateX(-50%);font-size:11px;color:var(--mute);font-family:var(--mono);background:rgba(255,255,255,.88);padding:2px 7px;border-radius:4px}
.busy{position:absolute;inset:0;display:none;place-items:center;background:rgba(255,255,255,.7);font-family:var(--mono);font-size:12px;color:var(--mute);z-index:5}
.busy.on{display:grid}
.mediabar{position:absolute;left:50%;bottom:14px;transform:translateX(-50%);background:#fff;border:1px solid var(--line);box-shadow:0 6px 24px rgba(0,0,0,.08);border-radius:6px;padding:9px 12px;display:none;align-items:center;gap:8px;z-index:4;font-size:12.5px;white-space:nowrap}
.mediabar.on{display:flex}.mediabar .st{color:var(--mute);max-width:260px;overflow:hidden;text-overflow:ellipsis}
.mediabar label{color:#fff;font-weight:600}
.view.drop::after{content:'Solte o arquivo para escanear';position:absolute;inset:8px;border:2px dashed var(--purple);border-radius:8px;display:grid;place-items:center;font-size:16px;color:var(--purple-d);background:rgba(42,109,244,.06);z-index:9}

.fxwrap{position:absolute;inset:0;display:none;grid-template-columns:1fr 310px}
.fxstage{position:relative;display:grid;place-items:center;min-width:0;min-height:0;background:#fff}
.fxrack{border-left:1px solid var(--line);overflow:auto;padding:12px 14px;background:#fff}
.fxrack h4{font-size:10.5px;text-transform:uppercase;letter-spacing:1.2px;color:var(--mute);margin:10px 0 8px;font-weight:600}
.fxrack h4:first-child{margin-top:0}
.fxr{display:grid;gap:7px}
.fxr .c{display:grid;grid-template-columns:1fr auto;gap:2px 8px;font-size:12px;align-items:center}
.fxr .c .v{font-family:var(--mono);font-size:11px;color:var(--mute)}
.fxr input[type=range]{grid-column:1/3;width:100%;height:18px;accent-color:var(--purple);margin:0}
.fxr select{grid-column:2;font-size:11.5px;padding:2px 6px}
.fxr input[type=checkbox]{accent-color:var(--purple);width:14px;height:14px}
.fxbar{position:absolute;left:50%;top:12px;transform:translateX(-50%);background:#fff;border:1px solid var(--line);box-shadow:0 6px 24px rgba(0,0,0,.08);border-radius:6px;padding:7px 10px;display:flex;align-items:center;gap:8px;z-index:4;font-size:12.5px;white-space:nowrap}
.fxbar label{color:#fff;font-weight:600}
.fxov{position:absolute;bottom:10px;left:12px;font-family:var(--mono);font-size:11px;color:#2b2f38;background:rgba(255,255,255,.88);padding:4px 7px;border-radius:4px;white-space:pre;line-height:1.45;pointer-events:none}

.fxwrap{display:grid}
.fxr .m{width:12px;height:12px;vertical-align:middle;margin-left:4px;accent-color:var(--ok)}
.side.r .sec{padding:10px 14px}

/* ---------- paper & ink overrides ---------- */
:root{--bg:#FFFFFF;--panel:#FFFFFF;--panel2:#F1F3F1;--line:#D9DFDB;--ink:#131917;--mute:#667169;--purple:#131917;--purple-d:#131917;--accent-soft:#F1F3F1;--ok:#131917;--warn:#8a5a00;--err:#C8102E;--mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace}
body{font-family:"Helvetica Neue",Helvetica,"Archivo",Arial,sans-serif;font-weight:700}
button,select{font-weight:700;font-size:11px;text-transform:uppercase;letter-spacing:.06em;border-radius:0;border-color:#B9C0BC}
button:hover{border-color:var(--ink);background:#fff}
button.primary{background:var(--ink);border-color:var(--ink);color:#fff}button.primary:hover{background:#000}
button.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.top{height:52px}.top .brand b{background:var(--ink);color:#fff}
.badge{border-radius:0;text-transform:uppercase;letter-spacing:.06em;font-size:10px}
.toolbar{height:44px}
.fxrack h4{letter-spacing:.06em}.fxr .c{font-weight:700}.fxr .c .v{font-weight:500}
.fxr input[type=range]{accent-color:var(--ink)}.fxr .m{accent-color:var(--ink)}
.fxbar,.fxov,.toast{border-radius:0;box-shadow:none;border:1px solid var(--line)}
.fxbar label{border-radius:0!important;background:var(--ink)!important;font-size:11px;text-transform:uppercase;letter-spacing:.06em}
.fxov{font-weight:500}
.log{font-weight:500}
.view.drop::after{border-radius:0;border-color:var(--ink);color:var(--ink);background:rgba(19,25,23,.06)}

/* ---------- phone ---------- */
@media (max-width:760px){
 .top{height:auto;min-height:44px;padding:6px 12px;flex-wrap:wrap;gap:6px 10px}.top .status{display:none}.top .tabs{margin-left:auto}
 .toolbar{height:auto;flex-wrap:wrap;padding:6px 8px;gap:4px}.toolbar button,.toolbar select{font-size:10px;padding:6px 8px}.toolbar span[style*="width:1px"]{display:none}.toolbar .sp{display:none}
 .view{overflow:auto;-webkit-overflow-scrolling:touch}
 .fxwrap{position:relative;inset:auto;display:block!important;height:auto;min-height:100%}
 .fxstage{display:flex;flex-direction:column;align-items:stretch;height:auto}
 .fxbar{order:-1;position:static;transform:none;flex-wrap:wrap;justify-content:center;white-space:normal;border-left:0;border-right:0;border-top:0;box-shadow:none;gap:6px;padding:8px 10px}
 .fxbar b{width:100%;text-align:center}
 canvas.img{width:100%;height:auto;max-height:none;touch-action:none}
 .fxov{font-size:10px;left:8px;bottom:8px;max-width:calc(100% - 16px);white-space:pre-wrap}
 .fxrack{border-left:0;border-top:1px solid var(--line);padding:10px 12px}
 .fxr input[type=range]{height:28px}
 .bottom{display:none}
 .mediabar{white-space:normal;flex-wrap:wrap;max-width:calc(100% - 16px)}
}

/* ---------- controls: play, history, inputs in ink (no OS blue) ---------- */
.toolbar{gap:6px}
.toolbar button{height:32px;display:inline-flex;align-items:center;gap:6px}
.toolbar select{height:32px}
button.play{width:36px;height:36px;padding:0;border-radius:50%;background:var(--ink);color:#fff;border-color:var(--ink);justify-content:center}
button.play:hover{background:#000}
button.play svg{width:16px;height:16px;display:block}
button.play .ic-stop{display:none}button.play.playing .ic-play{display:none}button.play.playing .ic-stop{display:block}
.seg{display:inline-flex;border:1px solid #B9C0BC}
.seg button{border:0;height:30px;width:34px;padding:0;justify-content:center;color:var(--ink)}
.seg button+button{border-left:1px solid #B9C0BC}
.seg button:hover{background:var(--panel2)}
.seg svg{width:16px;height:16px;display:block}
input[type=checkbox]{appearance:none;-webkit-appearance:none;width:14px;height:14px;margin:0;border:1px solid var(--ink);border-radius:0;background:#fff;display:inline-grid;place-items:center;vertical-align:middle;cursor:pointer;flex:none}
input[type=checkbox]:checked{background:var(--ink)}
input[type=checkbox]:checked::after{content:"";width:6px;height:6px;background:#fff}
input[type=checkbox]:focus-visible{outline:2px solid var(--ink);outline-offset:2px}
.fxr .m{width:12px;height:12px}
.fxr input[type=range]{appearance:none;-webkit-appearance:none;background:transparent;height:22px}
.fxr input[type=range]::-webkit-slider-runnable-track{height:2px;background:var(--ink)}
.fxr input[type=range]::-moz-range-track{height:2px;background:var(--ink)}
.fxr input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:16px;height:16px;border-radius:50%;background:#fff;border:1.5px solid var(--ink);margin-top:-7px}
.fxr input[type=range]::-moz-range-thumb{width:14px;height:14px;border-radius:50%;background:#fff;border:1.5px solid var(--ink)}
.fxr input[type=range]:focus-visible{outline:none}.fxr input[type=range]:focus-visible::-webkit-slider-thumb{box-shadow:0 0 0 3px var(--panel2)}
select{appearance:none;-webkit-appearance:none;padding-right:22px;background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2 4l4 4 4-4' fill='none' stroke='%23131917' stroke-width='1.5'/%3E%3C/svg%3E") right 7px center/10px no-repeat}
*{-webkit-tap-highlight-color:transparent}
#fxPngSize{min-width:72px}#fxPreset{min-width:120px}
@media (max-width:760px){.toolbar button{height:34px}.seg button{height:32px}button.play{width:38px;height:38px}.fxr input[type=range]{height:30px}.fxr input[type=range]::-webkit-slider-thumb{width:20px;height:20px;margin-top:-9px}}
/* phone: picture-in-picture preview while the rack is in use */
@media (max-width:760px){
 body.pip .fxstage::before{content:"";display:block;width:100%;aspect-ratio:1/1}
 body.pip #fxCv{position:fixed;bottom:calc(26px + env(safe-area-inset-bottom,0px));right:8px;width:34vw;height:34vw;z-index:30;border:1px solid var(--ink);box-shadow:0 8px 24px rgba(0,0,0,.22);background:#000;cursor:pointer}
 body.pip #fxOv{display:none}
 body.pip .pipHint{display:block}
 body.pip .fxrack{padding-bottom:calc(34vw + 40px)}
 .pipHint{display:none;position:fixed;bottom:calc(10px + env(safe-area-inset-bottom,0px));right:8px;width:34vw;z-index:30;font-size:9px;text-transform:uppercase;letter-spacing:.06em;color:var(--mute);text-align:center;pointer-events:none;background:#fff;padding:2px 0}
}
.pipHint{display:none}
.toolbar{height:auto;min-height:44px;flex-wrap:wrap;padding:6px 10px;row-gap:6px}
/* gallery + reactive selects */
.fxgal{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.fxgal figure{margin:0;cursor:pointer}.fxgal canvas{display:block;width:100%;aspect-ratio:1;background:#000;border:1px solid var(--line)}
.fxgal figcaption{font-size:9.5px;text-transform:uppercase;letter-spacing:.06em;color:var(--mute);padding-top:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.fxgal figure:hover canvas{border-color:var(--ink)}
.fxr .rs{font-size:9px;padding:0 14px 0 3px;height:16px;margin-left:4px;vertical-align:middle;text-transform:none;letter-spacing:0;background-position:right 3px center;background-size:8px;border-color:var(--line);color:var(--mute);min-width:0}
.fxr .rs:has(option:checked:not([value=""])){color:var(--ink);border-color:var(--ink)}
.fxr .c button{height:26px;padding:0 8px;font-size:10px}
.fxr .c>select:not(.rs){max-width:150px;text-overflow:ellipsis;overflow:hidden;white-space:nowrap}
/* demo (home page screen): stage only */
body.demo .top,body.demo .toolbar,body.demo .fxrack,body.demo .fxbar,body.demo .bottom,body.demo .fxov{display:none!important}
body.demo .fxwrap{grid-template-columns:1fr}
body.demo .fxstage{background:#000}
body.demo canvas.img{max-width:none;max-height:none;width:100%;height:100%;object-fit:cover}