:root{
  --bg:#f4f1f3;--panel:#fff;--panel2:#faf7f9;--line:#e4dce1;--line2:#efe8ec;
  --text:#2a2028;--muted:#7d6f79;--accent:#c8217e;--accent-d:#a5156a;--accent-bg:#fdeaf4;--accent-line:#f3bcd9;
  --side:#221820;--side-text:#d9cbd4;--side-act:#3a2734;
  --ok:#17794c;--ok-bg:#e4f5ec;--err:#b3261e;--err-bg:#fdeceb;--warn:#8a5a00;--warn-bg:#fff4d6;
  --shadow:0 1px 2px rgba(40,20,35,.06);--r:8px;
  --mono:Consolas,"Cascadia Mono","SF Mono",Menlo,monospace;
}
:root[data-theme=dark]{
  --bg:#17131a;--panel:#211b24;--panel2:#1b161e;--line:#372d3a;--line2:#2c2430;
  --text:#ece4ea;--muted:#a394a0;--accent:#ee5aa8;--accent-d:#f47dbb;--accent-bg:#3a1f31;--accent-line:#6b2f55;
  --side:#110e13;--side-text:#c9bcc6;--side-act:#2b1f2a;
  --ok:#5fd39b;--ok-bg:#16301f;--err:#ff8a80;--err-bg:#3a1a1a;--warn:#f2c260;--warn-bg:#3a2e12;
  --shadow:none;
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--text);font:13px/1.45 "Segoe UI",system-ui,-apple-system,Roboto,Arial,sans-serif}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,p{margin:0}
[hidden]{display:none!important}
.muted{color:var(--muted)}.pad{padding:8px 12px}.spacer{flex:1}
:focus-visible{outline:2px solid var(--accent);outline-offset:1px}

/* ---------- estructura ---------- */
.app{display:grid;grid-template-columns:224px minmax(0,1fr);height:100vh}
.sidebar{background:var(--side);color:var(--side-text);display:flex;flex-direction:column;padding:14px 10px;gap:14px;min-height:0}
.brand{display:flex;align-items:center;gap:10px;padding:4px 8px 10px}
.brand-mark{width:34px;height:34px;border-radius:9px;background:var(--accent);color:#fff;display:grid;place-items:center;font-size:19px}
.brand-name{font-weight:800;font-size:19px;letter-spacing:-.6px;color:#fff;line-height:1}
.brand-sub{font-size:9px;letter-spacing:3px;color:#e58dbf;margin-top:4px;font-weight:700}
.nav{display:flex;flex-direction:column;gap:3px}
.nav-item{display:flex;align-items:center;gap:10px;border:0;background:transparent;color:inherit;padding:9px 10px;border-radius:7px;cursor:pointer;text-align:left;font-weight:600;width:100%}
.nav-item:hover{background:var(--side-act)}
.nav-item.active{background:var(--accent);color:#fff}
.nav-item.small{font-weight:500;font-size:12px}
.nav-ico{width:18px;text-align:center;font-size:15px}
.sidebar-foot{margin-top:auto;display:flex;flex-direction:column;gap:8px}
.privacy{font-size:11px;line-height:1.5;color:#9c8c97;padding:0 10px}
.main{min-width:0;overflow:auto}
.view{padding:16px 20px 20px;max-width:1700px;margin:0 auto;display:flex;flex-direction:column;gap:14px;min-height:100%}
.view-head{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap}
.view-head h1{font-size:20px;font-weight:700;letter-spacing:-.3px}
.sub{color:var(--muted);font-size:12.5px}
.head-actions{display:flex;gap:8px;flex-wrap:wrap}
.cols{display:grid;grid-template-columns:300px minmax(0,1fr);gap:14px;align-items:start;flex:1}
.side-col,.work-col{display:flex;flex-direction:column;gap:12px;min-width:0}

/* ---------- piezas ---------- */
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);padding:12px 14px}
.panel.flush{padding:0;overflow:hidden}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:10px}
.panel-head h2{font-size:13px;font-weight:700;display:flex;align-items:center;gap:8px}
.step{width:20px;height:20px;border-radius:50%;background:var(--accent);color:#fff;font-size:11px;display:inline-grid;place-items:center}
.badge{background:var(--accent-bg);color:var(--accent-d);border-radius:20px;padding:1px 9px;font-weight:700;font-size:11.5px}
.link{border:0;background:none;color:var(--accent);cursor:pointer;padding:0;font-size:12px}
.link:hover{text-decoration:underline}
.btn{border:1px solid var(--line);background:var(--panel);border-radius:6px;padding:6px 12px;cursor:pointer;font-weight:600;white-space:nowrap;min-height:32px}
.btn:hover{background:var(--panel2);border-color:var(--accent-line)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.primary:hover{background:var(--accent-d);border-color:var(--accent-d)}
:root[data-theme=dark] .btn.primary{color:#1a0f16}
.btn.danger{color:var(--err)}
.btn.big{padding:9px 20px;font-size:14px}
.btn:disabled{opacity:.45;cursor:default;pointer-events:none}
.btn-row{display:flex;gap:6px;flex-wrap:wrap;margin:8px 0}
:where(input:not([type=checkbox]):not([type=range]):not([type=file])),select,textarea{background:var(--panel);border:1px solid var(--line);border-radius:6px;padding:6px 8px;min-height:32px;width:100%;min-width:0}
input:focus,select:focus,textarea:focus{outline:0;border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-bg)}
input[type=range]{accent-color:var(--accent);width:100%}
input[type=checkbox]{accent-color:var(--accent);width:15px;height:15px;margin:0}
.fld{display:flex;flex-direction:column;gap:4px;min-width:0}
.fld>span{font-size:11.5px;font-weight:600;color:var(--muted)}
.fld small{font-weight:400}
.fld.check{flex-direction:row;align-items:center;gap:7px;align-self:end;min-height:32px;cursor:pointer}
.fld.check>span{color:var(--text);font-size:12.5px;font-weight:500}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.form-grid .wide{grid-column:1/-1}
.inp{position:relative}
.inp.suf input{padding-right:24px;font-weight:700;font-variant-numeric:tabular-nums}
.inp i{position:absolute;right:9px;top:50%;transform:translateY(-50%);font-style:normal;color:var(--muted);pointer-events:none}
.inp.accent input{background:var(--accent-bg);border-color:var(--accent-line)}
.note summary,.sub-opts summary{cursor:pointer;font-weight:600;font-size:12.5px}
.note p{margin-top:8px;color:var(--muted);font-size:12px;line-height:1.6}
.sub-opts{margin-top:12px;border-top:1px solid var(--line2);padding-top:10px}
.sub-opts .form-grid{margin-top:10px}
.hint{font-size:11.5px;color:var(--warn);background:var(--warn-bg);border-radius:6px;padding:6px 8px;margin-top:8px}
.hint:empty{display:none}
.hint.ok{color:var(--ok);background:var(--ok-bg)}

/* ---------- calculadora ---------- */
.desglose{display:flex;flex-direction:column}
.desglose .big{font-size:30px;font-weight:800;letter-spacing:-1px;color:var(--accent);font-variant-numeric:tabular-nums;line-height:1.1}
.desglose .bs{color:var(--muted);font-size:12px;margin-bottom:8px}
.desglose .ln{display:flex;justify-content:space-between;gap:10px;padding:5px 0;border-bottom:1px solid var(--line2);font-size:12.5px}
.desglose .ln span{color:var(--muted)}.desglose .ln b{font-variant-numeric:tabular-nums;white-space:nowrap}
.desglose .ln.total{border:0;font-size:13.5px}.desglose .ln.total span{color:var(--text);font-weight:700}
.desglose .ln.total b{color:var(--ok)}
.desglose .err{color:var(--err);background:var(--err-bg);border-radius:6px;padding:8px}
.dropzone{border:1.5px dashed var(--accent-line);background:var(--accent-bg);border-radius:var(--r);padding:14px 16px;display:flex;align-items:center;gap:14px;cursor:pointer}
.dropzone:hover,.dropzone.over{border-color:var(--accent)}
.dropzone span{color:var(--muted)}
.dz-ico{font-size:26px;color:var(--accent);line-height:1}
.imp-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:10px;margin-bottom:12px}
.map-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:10px;margin-bottom:12px}
.map-grid .fld>span{display:flex;justify-content:space-between;gap:6px;align-items:center}
.chip{font-size:10px;font-weight:700;border-radius:20px;padding:1px 7px;white-space:nowrap}
.chip.alta{background:var(--ok-bg);color:var(--ok)}.chip.media{background:var(--warn-bg);color:var(--warn)}
.chip.baja{background:var(--err-bg);color:var(--err)}.chip.none{background:var(--line2);color:var(--muted)}
.imp-foot{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-top:12px;flex-wrap:wrap}
.add-row{display:flex;gap:8px;align-items:end;flex-wrap:wrap}
.add-row .fld{width:120px}.add-row .fld.grow{flex:1;min-width:180px}.add-row .fld.num{width:96px}.add-row .fld.xs{width:64px}
.add-preview{flex-basis:100%;font-size:12.5px;color:var(--muted);min-height:18px}
.add-preview b{color:var(--accent);font-size:14px}
.stats{display:grid;grid-template-columns:repeat(5,1fr);gap:10px}
.stats>div{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:9px 12px;min-width:0}
.stats small{display:block;color:var(--muted);font-size:11px}
.stats b{font-size:16px;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}
.toolbar{display:flex;gap:8px;align-items:center;padding:8px 10px;border-bottom:1px solid var(--line);flex-wrap:wrap;background:var(--panel2)}
.toolbar .search{width:220px}.toolbar select{width:auto}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:6px;overflow:hidden}
.seg button{border:0;background:var(--panel);padding:6px 12px;cursor:pointer;font-weight:600;min-height:30px}
.seg button.active{background:var(--accent);color:#fff}
:root[data-theme=dark] .seg button.active{color:#1a0f16}
.pop-wrap{position:relative}
.pop{position:absolute;right:0;top:calc(100% + 4px);z-index:20;background:var(--panel);border:1px solid var(--line);border-radius:8px;box-shadow:0 8px 24px rgba(0,0,0,.18);padding:8px;width:230px;max-height:340px;overflow:auto}
.pop label{display:flex;gap:8px;align-items:center;padding:4px 6px;border-radius:5px;cursor:pointer}
.pop label:hover{background:var(--panel2)}
.table-wrap{overflow:auto;max-height:calc(100vh - 330px);min-height:180px}
.table-wrap.small{max-height:230px;min-height:0;border:1px solid var(--line);border-radius:6px}
.tbl{border-collapse:collapse;width:100%;font-variant-numeric:tabular-nums}
.tbl th{position:sticky;top:0;z-index:2;background:var(--panel2);text-align:left;font-size:11px;font-weight:700;color:var(--muted);padding:7px 8px;border-bottom:1px solid var(--line);white-space:nowrap;user-select:none}
.tbl th.sortable{cursor:pointer}.tbl th.sortable:hover{color:var(--accent)}
.tbl th.num,.tbl td.num{text-align:right}
.tbl td{padding:3px 8px;border-bottom:1px solid var(--line2);white-space:nowrap;height:34px}
.tbl tbody tr:hover{background:var(--panel2)}
.tbl tbody tr.sel{background:var(--accent-bg)}
.tbl tbody tr.bad td{background:var(--err-bg)}
.tbl td input{border-color:transparent!important;background:transparent!important;padding:4px 6px!important;min-height:26px!important;border-radius:4px!important}
.tbl td input:hover{border-color:var(--line)!important}
.tbl td input:focus{border-color:var(--accent)!important;background:var(--panel)!important}
.tbl td.c-code{min-width:124px}.tbl td.c-code input{font-family:var(--mono);font-size:12px}
.tbl td.c-name{min-width:210px}
.tbl td.c-num{min-width:86px}.tbl td.c-num input{text-align:right}
.tbl td.c-qty{min-width:62px}.tbl td.c-qty input{text-align:right}
.tbl td.price{font-weight:800;color:var(--accent);font-size:13.5px}
.tbl td.idx{color:var(--muted);font-size:11px;width:1%}
.tbl td.msg{color:var(--err);font-size:12px;white-space:normal}
.tbl .dup input{color:var(--warn);font-weight:700}
.tbl .x{border:0;background:none;color:var(--muted);cursor:pointer;font-size:15px;padding:2px 6px;border-radius:4px}
.tbl .x:hover{color:var(--err);background:var(--err-bg)}
.tbl td.empty{text-align:center;color:var(--muted);padding:34px 10px;white-space:normal}
.tbl td.col-hit{background:var(--accent-bg)}
.pager{display:flex;gap:8px;align-items:center;justify-content:flex-end;padding:7px 10px;border-top:1px solid var(--line);color:var(--muted);font-size:12px}
.pager:empty{display:none}
.csv-opts{display:flex;gap:14px;align-items:center;padding:8px 10px;border-bottom:1px solid var(--line2);flex-wrap:wrap}
.csv-opts label{display:flex;align-items:center;gap:6px;color:var(--muted);font-size:12px}
.csv-opts select{width:auto}
.csv-text{display:block;border:0!important;border-radius:0!important;font-family:var(--mono);font-size:12px;height:calc(100vh - 380px);min-height:220px;resize:vertical;white-space:pre;background:var(--panel2)!important}

/* ---------- renombrador ---------- */
.codes{font-family:var(--mono);font-size:12.5px;height:150px;resize:vertical;white-space:pre}
.grow-panel{display:flex;flex-direction:column}
.inline{display:flex;align-items:center;gap:8px;font-size:12px}.inline input{width:110px}
.grid-wrap{position:relative;overflow:auto;height:calc(100vh - 215px);min-height:260px;background:var(--panel2)}
.grid{--tam:130px;display:grid;grid-template-columns:repeat(auto-fill,minmax(var(--tam),1fr));gap:10px;padding:12px}
.grid-empty{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;color:var(--muted);text-align:center;padding:20px}
.grid-empty b{color:var(--text);font-size:14px}
.tile{background:var(--panel);border:1px solid var(--line);border-radius:7px;overflow:hidden;cursor:grab;position:relative;min-width:0}
.tile.ok{border-color:var(--accent)}.tile.sin{border-color:var(--err);border-style:dashed}
.tile.dragging{opacity:.35}.tile.over{box-shadow:-3px 0 0 var(--accent)}
.tile .th{aspect-ratio:1;background:var(--line2);display:grid;place-items:center;color:var(--muted);font-size:11px;text-align:center}
.tile canvas{width:100%;height:100%;object-fit:contain;display:block}
.tile .n{position:absolute;top:5px;left:5px;background:var(--accent);color:#fff;font-size:10.5px;font-weight:700;border-radius:20px;padding:0 7px}
.tile .nuevo{font-weight:700;color:var(--accent);font-size:12px;padding:5px 7px 0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tile .viejo{color:var(--muted);font-size:10.5px;padding:0 7px 6px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tile.sin .nuevo{color:var(--err)}
.grid-more{grid-column:1/-1;text-align:center;padding:8px}
.actionbar{display:flex;gap:8px;align-items:stretch;flex-wrap:wrap;position:sticky;bottom:0;background:var(--bg);padding:2px 0}
.status{flex:1;min-width:220px;border:1px solid var(--line);border-radius:7px;padding:8px 12px;background:var(--panel);display:flex;align-items:center;white-space:pre-line}
.status.ok{background:var(--ok-bg);border-color:var(--ok);color:var(--ok);font-weight:600}
.status.error{background:var(--err-bg);border-color:var(--err);color:var(--err);font-weight:600}

/* ---------- modal, toasts ---------- */
.modal{border:1px solid var(--line);border-radius:10px;background:var(--panel);color:var(--text);padding:18px 20px;width:min(520px,92vw);box-shadow:0 20px 60px rgba(0,0,0,.3)}
.modal::backdrop{background:rgba(20,10,18,.5)}
.modal h3{font-size:15px;margin-bottom:8px}
.modal #modalCuerpo{color:var(--muted);white-space:pre-line;line-height:1.55}
.modal textarea{height:200px;margin-top:8px;font-family:var(--mono);font-size:12px;white-space:pre;color:var(--text)}
.modal-foot{display:flex;justify-content:flex-end;gap:8px;margin-top:16px}
.toasts{position:fixed;right:16px;bottom:16px;display:flex;flex-direction:column;gap:8px;z-index:100;max-width:min(380px,90vw)}
.toast{background:var(--side);color:#fff;padding:10px 14px;border-radius:8px;box-shadow:0 6px 20px rgba(0,0,0,.25);border-left:4px solid var(--accent);font-size:12.5px}
.toast.ok{border-left-color:#3ecf8e}.toast.error{border-left-color:#ff6b61}
.drop-veil{position:fixed;inset:0;background:rgba(200,33,126,.14);border:3px dashed var(--accent);z-index:90;display:grid;place-items:center;pointer-events:none}
.drop-veil div{background:var(--accent);color:#fff;font-weight:700;padding:10px 22px;border-radius:30px;font-size:15px}
.progress{height:6px;background:var(--line2);border-radius:6px;overflow:hidden;margin-top:12px}
.progress i{display:block;height:100%;background:var(--accent);width:0;transition:width .15s}

/* ---------- responsive ---------- */
@media(max-width:1100px){
  .cols{grid-template-columns:1fr}
  .side-col{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));align-items:start}
  .table-wrap{max-height:70vh}.grid-wrap{height:60vh}.csv-text{height:50vh}
}
@media(max-width:760px){
  .app{grid-template-columns:1fr;grid-template-rows:auto 1fr}
  .sidebar{flex-direction:row;align-items:center;padding:8px 10px;gap:8px;overflow-x:auto}
  .brand{padding:0 6px 0 2px}.brand-sub,.privacy{display:none}.brand-name{font-size:16px}
  .nav{flex-direction:row}.nav-item{white-space:nowrap;padding:8px 10px}
  .sidebar-foot{margin:0 0 0 auto}.nav-item.small span:last-child{display:none}
  .view{padding:12px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .toolbar .search{width:100%}
  .add-row .fld,.add-row .fld.num,.add-row .fld.xs{width:calc(50% - 4px)}.add-row .fld.grow{width:100%;flex:none}
  .add-row .btn{width:100%}
  .actionbar .btn{flex:1}
  .head-actions .btn{flex:1}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}