@font-face{font-family:"Plex Sans";font-weight:400;font-display:swap;src:url(../fonts/plex-sans-400.woff2) format("woff2")}
@font-face{font-family:"Plex Sans";font-weight:500;font-display:swap;src:url(../fonts/plex-sans-500.woff2) format("woff2")}
@font-face{font-family:"Plex Sans";font-weight:600;font-display:swap;src:url(../fonts/plex-sans-600.woff2) format("woff2")}
@font-face{font-family:"Plex Mono";font-weight:400;font-display:swap;src:url(../fonts/plex-mono-400.woff2) format("woff2")}
@font-face{font-family:"Plex Mono";font-weight:500;font-display:swap;src:url(../fonts/plex-mono-500.woff2) format("woff2")}

:root{
  --ground:#EEF1F2; --surface:#FFFFFF; --surface-2:#F6F8F8; --line:#D8DEE0; --line-2:#BCC6C9;
  --ink:#14242A; --ink-2:#51636A; --ink-3:#7C8C92;
  --brand:#12343B; --accent:#0E6673; --accent-soft:#E0EFF1;
  --crit:#A92E25; --crit-soft:#F9E6E4;
  --sans:"Plex Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --mono:"Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  color-scheme:light;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html,body{margin:0}
body{background:var(--ground);color:var(--ink);font:400 14px/1.5 var(--sans);-webkit-font-smoothing:antialiased;min-height:100vh;display:flex;flex-direction:column}
h1,h2,h3,p{margin:0}
button,input,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}

/* cabecera */
.top{position:sticky;top:0;z-index:30;background:var(--surface);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:10px 20px;padding-top:calc(10px + env(safe-area-inset-top,0px))}
.brand{display:flex;align-items:center;gap:10px;color:inherit;text-decoration:none}
.brand-name{font-weight:600;font-size:17px;letter-spacing:-.01em}
.brand-tag{color:var(--ink-2);font-size:13px;padding-left:10px;border-left:1px solid var(--line)}
.top-actions{display:flex;gap:8px;flex-wrap:wrap}

.btn{appearance:none;background:var(--surface);border:1px solid var(--line-2);border-radius:4px;padding:7px 13px;font-weight:500;font-size:13.5px;cursor:pointer;white-space:nowrap}
.btn:hover{border-color:var(--ink-3);background:var(--surface-2)}
.btn:disabled{opacity:.5;cursor:default}
.btn-primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn-primary:hover{background:#0B252B;border-color:#0B252B}
.btn-small{padding:4px 9px;font-size:12.5px}
.btn-block{width:100%;margin-top:12px}

/* pantalla inicial */
.start{flex:1;width:100%;max-width:680px;margin:0 auto;padding:56px 20px 40px;display:flex;flex-direction:column;gap:22px}
.start h1{font-size:34px;line-height:1.15;font-weight:600;letter-spacing:-.02em;text-wrap:balance}
.start-copy p{color:var(--ink-2);font-size:16px;margin-top:10px;max-width:60ch}
.drop{display:flex;flex-direction:column;align-items:center;gap:4px;text-align:center;background:var(--surface);border:1.5px dashed var(--line-2);border-radius:6px;padding:44px 20px;cursor:pointer;color:var(--ink-2);transition:border-color .12s,background .12s}
.drop:hover,.drop.over{border-color:var(--accent);background:var(--accent-soft)}
.drop:focus-within{outline:2px solid var(--accent);outline-offset:2px}
.drop input{position:absolute;width:1px;height:1px;opacity:0}
.drop strong{color:var(--ink);font-size:16px;font-weight:600;margin-top:6px}
.drop u{color:var(--accent);text-underline-offset:2px}
.drop small{margin-top:8px;font-family:var(--mono);font-size:11.5px;color:var(--ink-3)}
.error{color:var(--crit);background:var(--crit-soft);padding:9px 12px;border-radius:4px;font-size:13.5px}
.samples h2{font-size:14px;font-weight:600;margin:0 0 8px}
.sample-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px}
.sample{appearance:none;background:var(--surface);border:1px solid var(--line);border-radius:4px;padding:0;overflow:hidden;cursor:pointer;text-align:left;font-size:12.5px;display:flex;flex-direction:column}
.sample:hover{border-color:var(--accent)}
.sample img{display:block;width:100%;aspect-ratio:1;object-fit:cover}
.sample span{padding:6px 8px;line-height:1.3}
.how{list-style:none;counter-reset:s;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.how li{counter-increment:s;color:var(--ink-2);font-size:13.5px;border-top:1px solid var(--line-2);padding-top:9px}
.how li::before{content:counter(s);display:block;font-family:var(--mono);font-size:11.5px;color:var(--ink-3);margin-bottom:2px}
.how b{color:var(--ink);font-weight:600}
.privacy{color:var(--ink-2);font-size:13px}

/* área de trabajo */
.work{flex:1;display:grid;grid-template-columns:292px minmax(0,1fr);align-items:start}
.side{background:var(--surface);border-right:1px solid var(--line);padding:4px 18px 24px;align-self:stretch}
.group{padding:15px 0;border-bottom:1px solid var(--line);display:flex;flex-direction:column;gap:11px}
.group:last-child{border-bottom:0}
.group h2{font-family:var(--mono);font-size:11px;font-weight:500;letter-spacing:.09em;text-transform:uppercase;color:var(--ink-2)}
.field{display:flex;flex-direction:column;gap:4px;font-size:13.5px}
.field-row{display:flex;justify-content:space-between;align-items:center;gap:8px}
.field input[type=text],.field select{width:100%;background:var(--surface);border:1px solid var(--line-2);border-radius:4px;padding:6px 8px}
.numbox{width:58px;border:1px solid var(--line-2);border-radius:4px;padding:2px 5px;text-align:right;font-family:var(--mono);font-size:13px}
.numout{font-family:var(--mono);font-size:13px;color:var(--ink-2)}
input[type=range]{width:100%;accent-color:var(--accent);margin:2px 0}
.check{display:flex;align-items:flex-start;gap:8px;font-size:13.5px;cursor:pointer}
.check input{margin:3px 0 0;accent-color:var(--accent)}
.sub{display:flex;flex-direction:column;gap:11px}
.seg{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line-2);border-radius:4px;overflow:hidden}
.seg label{cursor:pointer;font-size:13px;text-align:center}
.seg input{position:absolute;opacity:0;width:1px;height:1px}
.seg span{display:block;padding:6px 4px;font-weight:500;color:var(--ink-2)}
.seg input:checked+span{background:var(--brand);color:#fff}
.seg input:focus-visible+span{outline:2px solid var(--accent);outline-offset:-2px}
.size-cm{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.field input[type=number].cmbox,.gauge input{width:100%;background:var(--surface);border:1px solid var(--line-2);border-radius:4px;padding:6px 8px;font-family:var(--mono);font-size:13px}
.size-note{font-size:12.5px;line-height:1.4;color:var(--ink);background:#FBF1DC;border:1px solid #E7CE97;border-radius:4px;padding:7px 9px}
.gauge{display:flex;flex-direction:column;gap:6px}
.gauge-title{font-size:13.5px}
.gauge-title em{font-style:normal;color:var(--ink-3)}
.gauge-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.gauge-row .field{font-size:12.5px;color:var(--ink-2)}
.gauge p{font-size:12px;color:var(--ink-2);line-height:1.4}
.my-list{display:flex;flex-direction:column;gap:6px}
.my-row{display:grid;grid-template-columns:30px 76px minmax(0,1fr) 24px;gap:5px;align-items:center}
.my-row input[type=color]{width:30px;height:30px;padding:0;border:1px solid var(--line-2);border-radius:3px;background:none;cursor:pointer}
.my-row input[type=text]{width:100%;min-width:0;border:1px solid var(--line-2);border-radius:4px;padding:5px 6px;font-size:12.5px;background:var(--surface)}
.my-row .my-hex{font-family:var(--mono);font-size:12px}
.my-row .my-hex[aria-invalid=true]{border-color:var(--crit);background:var(--crit-soft)}
.my-del{appearance:none;background:none;border:0;color:var(--ink-3);cursor:pointer;font-size:17px;line-height:1;padding:2px}
.my-del:hover{color:var(--crit)}
.my-actions{display:flex;gap:6px;flex-wrap:wrap}
.hint{font-size:12px;color:var(--ink-2);line-height:1.4}
.readout{margin:0;display:grid;gap:3px;background:var(--surface-2);border:1px solid var(--line);border-radius:4px;padding:8px 10px}
.readout div{display:flex;justify-content:space-between;gap:10px}
.readout dt{color:var(--ink-2);font-size:12.5px}
.readout dd{margin:0;font-family:var(--mono);font-size:12.5px;text-align:right}

.stage{padding:0 20px 28px;min-width:0}
.mode-bar{padding-top:14px}
.mode-bar .seg{max-width:380px}
.parts-layout{display:grid;grid-template-columns:minmax(0,300px) minmax(0,1fr);gap:14px;align-items:start}
.parts-map-card{position:sticky;top:70px}
#parts-map{max-width:100%;max-height:56vh}
.parts-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:12px}
.part{background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:10px 12px;display:flex;flex-direction:column;gap:9px;min-width:0}
.part-off{opacity:.55}
.part header{display:flex;align-items:center;gap:8px}
.part-n{width:22px;height:22px;flex:none;border-radius:3px;color:#fff;display:grid;place-items:center;font:500 12px var(--mono)}
.part-name{flex:1;min-width:0;border:0;border-bottom:1px solid transparent;font-weight:600;font-size:14.5px;background:none;padding:2px 0}
.part-name:hover,.part-name:focus{border-bottom-color:var(--line-2)}
.part-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.part-grid .field{font-size:12.5px;color:var(--ink-2)}
.part-grid input,.part-grid select{width:100%;background:var(--surface);color:var(--ink);border:1px solid var(--line-2);border-radius:4px;padding:5px 7px;font-size:13px}
.bands{display:flex;flex-direction:column;gap:4px}
.band{display:grid;grid-template-columns:18px 1fr 22px;gap:6px;align-items:center}
.band i{width:18px;height:18px;border-radius:2px;border:1px solid rgba(0,0,0,.2)}
.band select{width:100%;min-width:0;border:1px solid var(--line);border-radius:4px;padding:3px 5px;font-size:12.5px;background:var(--surface)}
.part-info{font:400 11.5px var(--mono);color:var(--ink-2)}
.ia-box{margin-top:12px;padding-top:12px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:8px}
.ia-box h4{margin:0;font-size:14px;font-weight:600}
.ia-box h4 em{font-style:normal;font-weight:400;color:var(--ink-3)}
.ia-box p{font-size:12.5px;color:var(--ink-2);line-height:1.4}
.ia-box .check{font-size:12.5px;line-height:1.4}
.ia-box a{color:var(--accent)}
.ia-box .btn-block{margin-top:0}
.ia-result{background:var(--accent-soft);border:1px solid #BCDDE2;border-radius:6px;padding:10px 12px;margin-bottom:12px;font-size:13px;display:flex;flex-direction:column;gap:5px}
.ia-result b{font-weight:600}
.ia-result ul{margin:0;padding-left:18px}
.parts-add{display:flex;align-items:flex-end;gap:8px;margin-top:12px;max-width:380px}
.parts-add .field{flex:1}
.parts-add select{width:100%;border:1px solid var(--line-2);border-radius:4px;padding:7px 8px;background:var(--surface)}
.draft-note{font-size:13px;color:var(--ink-2);margin-bottom:12px}
.pattern-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:14px;align-items:start}
.pieces{columns:2 300px;column-gap:14px}
.piece{break-inside:avoid;background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:12px 14px;margin-bottom:14px;display:flex;flex-direction:column;gap:6px}
.piece h4{margin:0;font-size:15px;font-weight:600}
.rounds{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px;font-size:13.5px}
.rounds b{font-family:var(--mono);font-size:12.5px;font-weight:500;color:var(--ink-2)}
.r-color{color:var(--accent);font-weight:600;padding-top:3px}
.p-note{font-size:12.5px;color:var(--ink-2);line-height:1.4}
.pattern-side{display:flex;flex-direction:column;gap:12px}
.pattern-side h3{margin-bottom:8px}
.mats,.gloss{list-style:none;margin:0 0 8px;padding:0;display:flex;flex-direction:column;gap:5px;font-size:13px}
.mats li{display:grid;grid-template-columns:16px 1fr auto;gap:7px;align-items:center}
.mats i{width:16px;height:16px;border-radius:2px;border:1px solid rgba(0,0,0,.2)}
.mats b{font:500 12px var(--mono)}
.gloss b{font-family:var(--mono);font-weight:500}
.tabs{display:flex;align-items:center;gap:2px;border-bottom:1px solid var(--line-2);margin-bottom:16px;overflow-x:auto;scrollbar-width:none;padding-top:8px}
.tabs::-webkit-scrollbar{display:none}
.tab{appearance:none;background:none;border:0;border-bottom:2px solid transparent;margin-bottom:-1px;padding:9px 13px;font-weight:500;font-size:14px;color:var(--ink-2);cursor:pointer;white-space:nowrap}
.tab:hover{color:var(--ink)}
.tab[aria-selected=true]{color:var(--ink);border-bottom-color:var(--accent)}
.status{margin-left:auto;padding-left:12px;font-family:var(--mono);font-size:11.5px;color:var(--ink-3);white-space:nowrap}

.card{background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:14px 16px;min-width:0}
.card-head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start;margin-bottom:12px}
.card h3{font-size:15px;font-weight:600}
.card-head p{color:var(--ink-2);font-size:13px;margin-top:1px}

/* foto */
.photo-grid{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:14px;align-items:start}
.crop-area{display:flex;justify-content:center;background:var(--surface-2);border:1px solid var(--line);border-radius:4px;padding:10px}
.crop-wrap{position:relative;line-height:0;overflow:hidden;touch-action:none;user-select:none;-webkit-user-select:none}
.crop-wrap canvas{display:block;max-width:100%;max-height:62vh;width:auto;height:auto}
.crop-box{position:absolute;border:1.5px solid #fff;box-shadow:0 0 0 1px rgba(0,0,0,.55),0 0 0 9999px rgba(15,30,35,.55);cursor:move;touch-action:none}
.crop-box:focus-visible{outline:2px solid #fff;outline-offset:1px}
.crop-h{position:absolute;width:15px;height:15px;background:#fff;border:1.5px solid var(--brand);margin:-7.5px 0 0 -7.5px;touch-action:none}
.crop-h[data-h=nw]{left:0;top:0;cursor:nwse-resize}.crop-h[data-h=n]{left:50%;top:0;cursor:ns-resize}.crop-h[data-h=ne]{left:100%;top:0;cursor:nesw-resize}
.crop-h[data-h=e]{left:100%;top:50%;cursor:ew-resize}.crop-h[data-h=se]{left:100%;top:100%;cursor:nwse-resize}.crop-h[data-h=s]{left:50%;top:100%;cursor:ns-resize}
.crop-h[data-h=sw]{left:0;top:100%;cursor:nesw-resize}.crop-h[data-h=w]{left:0;top:50%;cursor:ew-resize}
.preview-area{display:flex;justify-content:center;align-items:center;min-height:200px;padding:10px;border:1px solid var(--line);border-radius:4px;background-color:#fff;background-image:linear-gradient(45deg,#E9EDEE 25%,transparent 25%,transparent 75%,#E9EDEE 75%),linear-gradient(45deg,#E9EDEE 25%,transparent 25%,transparent 75%,#E9EDEE 75%);background-size:14px 14px;background-position:0 0,7px 7px}
#preview{image-rendering:pixelated;max-width:100%;max-height:52vh}

/* gráfico */
.chart-bar{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:10px}
.zoom{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-2)}
.zoom input{width:130px}
.cell-info{margin-left:auto;font-family:var(--mono);font-size:12px;color:var(--ink-2)}
.chart-layout{display:grid;grid-template-columns:minmax(0,1fr) 200px;gap:14px;align-items:start}
.chart-scroll{background:var(--surface);border:1px solid var(--line);border-radius:6px;overflow:auto;max-height:calc(100vh - 190px);min-height:300px}
#chart{display:block}
.mini-legend{background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:6px;display:flex;flex-direction:column;gap:1px;max-height:calc(100vh - 190px);overflow:auto}
.lg-item{appearance:none;background:none;border:0;border-radius:3px;display:grid;grid-template-columns:22px 1fr auto;gap:8px;align-items:center;padding:4px 6px;text-align:left;cursor:pointer;font-size:12.5px;min-width:0}
.lg-item:hover{background:var(--surface-2)}
.lg-item[aria-pressed=true]{background:var(--accent-soft)}
.lg-sw{width:22px;height:22px;border-radius:2px;border:1px solid rgba(0,0,0,.2);display:grid;place-items:center;font:500 11.5px var(--mono)}
.lg-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.lg-n{font-family:var(--mono);font-size:11.5px;color:var(--ink-2)}

/* lana */
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-bottom:14px}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:11px 14px}
.stat span{display:block;color:var(--ink-2);font-size:12.5px}
.stat b{font-weight:600;font-size:22px;letter-spacing:-.01em;font-variant-numeric:tabular-nums}
.table-wrap,.rows-wrap{overflow-x:auto}
table{border-collapse:collapse;width:100%;font-size:13.5px}
th{text-align:left;font:500 10.5px var(--mono);letter-spacing:.07em;text-transform:uppercase;color:var(--ink-2);padding:7px 10px;border-bottom:1px solid var(--line-2);white-space:nowrap}
td{padding:7px 10px;border-bottom:1px solid var(--line);vertical-align:middle}
tr:last-child td{border-bottom:0}
.n{text-align:right;font-family:var(--mono);font-variant-numeric:tabular-nums;white-space:nowrap}
.mono{font-family:var(--mono);font-size:12.5px}
.tot td{font-weight:600;border-top:1px solid var(--line-2)}
.rm-row td{opacity:.5}

/* lectura */
.read-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.25fr);gap:14px;align-items:start}
.steps{margin:0;padding-left:20px;display:flex;flex-direction:column;gap:8px;max-width:62ch}
.steps b{font-weight:600}
.rows-wrap{max-height:calc(100vh - 230px);overflow:auto}
.rows-wrap th{position:sticky;top:0;background:var(--surface)}
#rows-table td{font-size:12.5px}
#rows-table td:last-child{font-family:var(--mono);line-height:1.45}

.foot{padding:12px 20px 18px;color:var(--ink-3);font-size:12px;border-top:1px solid var(--line);padding-bottom:calc(18px + env(safe-area-inset-bottom,0px))}

@media (max-width:1040px){.parts-layout,.pattern-layout,.chart-layout,.photo-grid,.read-grid{grid-template-columns:minmax(0,1fr)}.parts-map-card{position:static}.mini-legend{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));max-height:none}.chart-scroll{max-height:70vh}}
@media (max-width:820px){
  .work{grid-template-columns:minmax(0,1fr)}
  .side{border-right:0;border-bottom:1px solid var(--line);order:2}
  .stage{order:1;padding:0 16px 18px}
  .top{padding-inline:16px}
  .brand-tag{display:none}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .side{padding-inline:16px}
}
@media (max-width:520px){
  .sample-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.start{padding-top:32px}.start h1{font-size:27px}.how{grid-template-columns:1fr;gap:8px}
  .top-actions{width:100%}.top-actions .btn{flex:1 1 auto}
  .cell-info{margin-left:0;width:100%}
}