:root{--ink:#1f2121;--muted:#5f676d;--cream:#eef3f8;--paper:#f5f7f9;--gold:#0a64b8;--line:#e1e5e8;--ok:#2f5d3a;--bad:#9a3a2e;--warn:#8a6d1f}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,system-ui,Arial,sans-serif;font-size:14px}
a{color:inherit}
.hidden{display:none!important}
.brand{display:flex;flex-direction:column;gap:4px}
.brand-main{font-size:18px;letter-spacing:.11em;font-weight:300}.brand-main b{font-weight:800}
.brand-sub{font-size:9px;letter-spacing:.31em;color:var(--muted)}
.muted{color:var(--muted)}.small{font-size:12px}
.error{color:var(--bad);background:#f6e7e3;padding:10px;font-size:13px;margin:0}

/* Login */
.login{min-height:100vh;display:grid;place-items:center;background:linear-gradient(160deg,#f5f7f9 0%,#e3eef9 100%);padding:20px}
.login-logo{display:block;width:220px;margin:0 auto 4px}
.login-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:32px 36px;width:min(380px,100%);display:grid;gap:16px}

/* Estructura */
.shell{display:grid;grid-template-columns:230px 1fr;min-height:100vh}
.side{background:#fff;border-right:1px solid var(--line);color:var(--ink);padding:26px 18px;display:flex;flex-direction:column;gap:26px;position:sticky;top:0;height:100vh;overflow:auto}
.side .brand-sub{color:var(--muted)}
.side-logo{display:block;width:150px;margin:0 auto}
#nav{display:grid;gap:2px}
#nav a{text-decoration:none;padding:9px 12px;font-size:13px;color:var(--ink);border-left:3px solid transparent;border-radius:0 8px 8px 0}
#nav a:hover{color:var(--gold);background:#f3f7fb}
#nav a.on{color:var(--gold);border-color:var(--gold);background:#e8f1fa;font-weight:600}
.me{margin-top:auto;display:grid;gap:3px;font-size:12px}
.me small{color:var(--muted)}
.me-actions{display:flex;gap:12px;margin-top:6px}
.me .link{color:var(--muted)}
.menu-btn{display:none}
.view{padding:30px 34px;min-width:0}
.view h1{font-size:28px;font-weight:400;letter-spacing:-.03em;margin:0 0 20px}
.view h2{font-size:17px;font-weight:600;margin:26px 0 12px}
.head{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:18px}
.head h1{margin:0}

/* Controles */
.btn{border-radius:8px;border:1px solid var(--ink);background:#fff;color:var(--ink);padding:9px 14px;font:inherit;font-size:13px;cursor:pointer;white-space:nowrap}
.btn.primary{background:var(--gold);border-color:var(--gold);color:#fff}
.btn.primary:hover{background:#084f92}
.btn.danger{border-color:var(--bad);color:var(--bad)}
.btn.ok{background:var(--ok);border-color:var(--ok);color:#fff}
.btn.sm{padding:5px 9px;font-size:12px}
.btn:disabled{opacity:.45;cursor:not-allowed}
.link{border:0;background:none;padding:0;font:inherit;font-size:12px;text-decoration:underline;cursor:pointer;color:inherit}
input,select,textarea{font:inherit;font-size:14px;border:1px solid var(--line);background:#fff;padding:8px 10px;color:var(--ink);min-width:0}
input:focus,select:focus,textarea:focus{outline:2px solid var(--gold);outline-offset:-1px}
label{display:grid;gap:5px;font-size:12px;color:#4c4a45}
label.check{display:flex;gap:8px;align-items:center}
.toolbar{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px;align-items:center}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.form{display:grid;gap:12px}
.actions{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end;margin-top:6px}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:16px;flex-wrap:wrap}
.tabs button{border:0;background:none;padding:10px 14px;font:inherit;cursor:pointer;border-bottom:2px solid transparent;color:var(--muted)}
.tabs button.on{color:var(--gold);border-color:var(--gold)}

/* Tablas */
.table-wrap{overflow:auto;border:1px solid var(--line);background:#fff}
table{width:100%;border-collapse:collapse;font-size:13px}
th,td{padding:9px 10px;text-align:left;border-bottom:1px solid var(--line);vertical-align:middle}
th{font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:600;background:#f3f6f9;position:sticky;top:0}
tr.click{cursor:pointer}tr.click:hover td{background:#eef5fc}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
.thumb{width:40px;height:40px;object-fit:cover;background:#e9eef3;display:block;border-radius:6px}
.pill{display:inline-block;padding:2px 8px;font-size:11px;border:1px solid var(--line);background:#fff;white-space:nowrap}
.pill.ok{background:#e4efe6;border-color:#bcd5c1;color:var(--ok)}
.pill.bad{background:#f6e7e3;border-color:#e3c3bb;color:var(--bad)}
.pill.warn{background:#f6efd9;border-color:#e6d6a8;color:var(--warn)}
.empty{padding:26px;text-align:center;color:var(--muted)}

/* Tarjetas */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;margin-bottom:10px}
.card{background:#fff;border:1px solid var(--line);border-top:3px solid var(--gold);padding:16px;border-radius:10px}
.card small{display:block;font-size:10px;letter-spacing:.15em;text-transform:uppercase;color:var(--muted)}
.card strong{display:block;font-size:24px;font-weight:500;margin-top:6px}
.card span{font-size:12px;color:var(--muted)}
.panel{background:#fff;border:1px solid var(--line);padding:16px;border-radius:10px}
.cols{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.bars{display:flex;align-items:flex-end;gap:6px;height:170px;padding-top:10px}
.bars .bar{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;height:100%;justify-content:flex-end;min-width:0}
.bars .bar i{display:block;width:100%;background:var(--gold);min-height:2px}
.bars .bar small{font-size:9px;color:var(--muted);white-space:nowrap}
.hbar{display:grid;grid-template-columns:1fr auto;gap:2px 10px;font-size:13px;margin-bottom:8px}
.hbar i{grid-column:1/-1;display:block;height:6px;background:var(--gold)}

/* POS */
.pos{display:grid;grid-template-columns:1.2fr 1fr;gap:18px;align-items:start}
.pos-results{display:grid;gap:6px;max-height:62vh;overflow:auto}
.pos-item{display:grid;grid-template-columns:44px 1fr auto;gap:10px;align-items:center;background:#fff;border:1px solid var(--line);padding:8px;cursor:pointer;text-align:left;font:inherit}
.pos-item:hover{border-color:var(--gold)}
.pos-item:disabled{opacity:.45;cursor:not-allowed}
.pos-item small{display:block;color:var(--muted);font-size:11px}
.ticket{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px;position:sticky;top:20px;display:grid;gap:12px}
.ticket-lines{display:grid;gap:8px;max-height:36vh;overflow:auto}
.ticket-line{display:grid;grid-template-columns:1fr auto auto;gap:8px;align-items:center;font-size:13px;border-bottom:1px dashed var(--line);padding-bottom:8px}
.ticket-line small{display:block;color:var(--muted);font-size:11px}
.qty{display:inline-flex;align-items:center;border:1px solid var(--line)}
.qty button{border:0;background:none;width:28px;height:28px;cursor:pointer;font-size:15px}
.qty span{min-width:22px;text-align:center}
.sum{display:grid;gap:4px;font-size:13px}
.sum>div{display:flex;justify-content:space-between}
.sum .total{font-size:22px;border-top:1px solid var(--line);padding-top:8px}
.methods{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}
.methods button{border:1px solid var(--line);background:#fff;padding:10px;font:inherit;cursor:pointer}
.methods button.on{background:var(--gold);color:#fff;border-color:var(--gold)}
.change{font-size:16px;color:var(--ok)}

/* Modal y toast */
dialog.modal{border:0;padding:28px;width:min(960px,96vw);max-height:92vh;background:var(--paper);color:var(--ink)}
dialog.modal::backdrop{background:#1b1b1b99}
dialog .close{position:absolute;top:8px;right:12px;border:0;background:none;font-size:28px;cursor:pointer}
dialog h2{margin-top:0;font-weight:500}
.kv{display:grid;grid-template-columns:auto 1fr;gap:4px 16px;font-size:13px;margin-bottom:12px}
.kv dt{color:var(--muted)}.kv dd{margin:0}
.toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);background:var(--ink);color:#fff;padding:12px 18px;font-size:13px;z-index:1000;max-width:90vw}
.toast.bad{background:var(--bad)}
.images{display:flex;gap:8px;flex-wrap:wrap}
.images figure{margin:0;position:relative}
.images img{width:76px;height:76px;object-fit:cover;border:1px solid var(--line)}
.images button{position:absolute;top:2px;right:2px;border:0;background:#000a;color:#fff;cursor:pointer;width:20px;height:20px;line-height:1}

@media(max-width:900px){
  .shell{grid-template-columns:1fr}
  .side{position:fixed;inset:0 30% 0 0;z-index:50;transform:translateX(-100%);transition:transform .2s}
  .side.open{transform:none}
  .menu-btn{display:block;position:fixed;top:12px;right:12px;z-index:60;border:1px solid var(--ink);background:#fff;font-size:18px;padding:6px 10px}
  .view{padding:56px 14px 24px}
  .pos,.cols,.grid2,.grid3{grid-template-columns:1fr}
  .ticket{position:static}
}
@media print{.side,.menu-btn,.toolbar,.btn{display:none!important}.shell{display:block}}