:root{--black:#111111;--ink:#1d1d1d;--orange:#f26a00;--orange-d:#c85500;--orange-l:#fff1e5;--muted:#6b6b6b;--line:#e4e4e4;--bg:#f6f5f3;--navy:var(--black);--radius:12px;--shadow:0 1px 2px #0000000d,0 4px 14px #0000000a}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--ink);font-family:-apple-system,"Segoe UI",Roboto,Arial,Helvetica,sans-serif;-webkit-font-smoothing:antialiased;min-height:100vh}
a{color:var(--orange-d)}a:hover{color:var(--orange)}
:focus-visible{outline:3px solid var(--orange);outline-offset:2px}

/* Barra superior */
.topbar{background:var(--black);color:#fff;display:flex;align-items:center;justify-content:space-between;padding:12px 28px;gap:16px;border-bottom:3px solid var(--orange);position:sticky;top:0;z-index:40;min-height:69px}
.topbar>div{display:flex;align-items:center;gap:10px;font-size:14px;min-width:0}
.topbar>div .btn{margin-left:0!important}
.brand{display:flex;align-items:center;gap:15px;color:#fff!important;text-decoration:none!important;font-weight:700;min-width:0}
.brand img{display:block;width:170px;height:auto}
.brand span{color:#fff;font-size:14px;font-weight:500;opacity:.9}
.role{font-size:11px;text-transform:uppercase;letter-spacing:.6px;font-weight:700;background:var(--orange);color:#fff;padding:4px 9px;border-radius:20px;margin-left:4px}
#logout{border-color:#ffffff66;color:#fff}#logout:hover{background:#fff;color:var(--black);border-color:#fff}

/* Navegación lateral */
.app-shell{display:grid;grid-template-columns:235px minmax(0,1fr);align-items:start;min-height:calc(100vh - 69px)}
.mainnav{display:flex;flex-direction:column;gap:6px;padding:20px 14px;background:#fff;border-right:1px solid var(--line);position:sticky;top:69px;height:calc(100vh - 69px);overflow-y:auto;z-index:20}
.mainnav::before{content:"MENÚ PRINCIPAL";display:block;color:var(--muted);font-size:10px;font-weight:800;letter-spacing:1.4px;padding:0 12px 8px}
.mainnav a{display:block;color:var(--ink);font-weight:600;font-size:14px;padding:11px 13px;border-radius:8px;text-decoration:none;white-space:normal;line-height:1.3}
.mainnav a:hover{background:var(--orange-l);color:var(--orange-d)}
.mainnav a.active{background:var(--orange);color:#fff}

/* Estructura */
.mxag-main{width:100%;max-width:1600px;min-width:0;padding:28px}
.pagehead{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:22px}
h1{font-size:28px;font-weight:800;margin:0;letter-spacing:-.3px}
h2{font-size:20px;font-weight:700}h3{font-size:17px;font-weight:700}
.eyebrow{letter-spacing:1.6px;font-size:11px;font-weight:700;color:var(--orange-d);margin-bottom:6px}
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;margin-bottom:18px;box-shadow:var(--shadow)}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:18px;flex-wrap:wrap}
.panel-head h2,.panel-head h3{margin:0}

/* Botones */
.btn{border-radius:8px;font-weight:600;transition:background .15s,color .15s,border-color .15s}
.btn-primary,.btn-accent{background:var(--orange);border-color:var(--orange);color:#fff}
.btn-primary:hover,.btn-accent:hover,.btn-primary:focus,.btn-primary:not(:disabled):not(.disabled):active{background:var(--orange-d)!important;border-color:var(--orange-d)!important;color:#fff}
.btn-outline-primary{color:var(--orange-d);border-color:var(--orange)}
.btn-outline-primary:hover{background:var(--orange);border-color:var(--orange);color:#fff}
.btn-outline-secondary{color:var(--black);border-color:#bdbdbd}
.btn-outline-secondary:hover{background:var(--black);border-color:var(--black);color:#fff}
.btn-outline-danger{color:#111;border-color:#111}.btn-outline-danger:hover{background:#111;border-color:#111;color:#fff}
.btn-light{background:#f0efed;border-color:#f0efed;color:var(--ink)}.btn-light:hover{background:#e4e2de}
.btn-link{color:var(--orange-d)}
.btn:disabled,.btn.disabled{opacity:.5}

.tabs{display:flex;gap:8px;margin-bottom:18px;flex-wrap:wrap}
.tabs .active{background:var(--black);border-color:var(--black);color:#fff}

/* Tarjetas y KPIs */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(215px,1fr));gap:16px}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:14px;margin-bottom:18px}
.kpi{border:1px solid var(--line);background:#fff;padding:18px;border-radius:var(--radius);border-top:4px solid var(--orange);box-shadow:var(--shadow)}
.kpi strong{display:block;font-size:28px;margin-top:6px;color:var(--black)}
.kpi span{font-size:12px;color:var(--muted);font-weight:700;text-transform:uppercase;letter-spacing:.4px}
.kpi small{display:block;color:var(--muted);margin-top:6px}
.card-link{display:block;color:var(--black);padding:24px;background:#fff;border:1px solid var(--line);border-left:5px solid var(--orange);border-radius:var(--radius);box-shadow:var(--shadow);font-weight:600;transition:transform .15s,box-shadow .15s}
.card-link:hover{border-color:var(--orange);color:var(--black);text-decoration:none;transform:translateY(-2px);box-shadow:0 8px 22px #00000018}
.summary-panel{border-left:5px solid var(--orange)}

/* Formularios */
label{display:block;font-size:13px;font-weight:600;margin-bottom:14px}
label input,label select,label textarea{margin-top:6px;font-weight:400}
.form-control{border-color:#cfcfcf;min-height:42px;border-radius:8px}
.form-control:focus{border-color:var(--orange);box-shadow:0 0 0 .2rem #f26a0033}
textarea{min-height:75px!important}
input[type=checkbox],input[type=radio]{accent-color:var(--orange)}

/* Tablas */
.table{font-size:13px}
.table thead th{border-top:0;background:var(--black);color:#fff;font-size:12px;white-space:nowrap;border-color:#333}
.table td{vertical-align:middle}
.table-hover tbody tr:hover{background:var(--orange-l)}
.table-wrap{overflow:auto;-webkit-overflow-scrolling:touch;border-radius:8px}
.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.toolbar .form-control{width:auto;max-width:230px}
.pill{display:inline-block;font-size:11px;font-weight:600;padding:4px 10px;background:#eee;color:var(--ink);border-radius:20px;white-space:nowrap}
.pill.good{background:var(--black);color:#fff}
.pill.warn{background:var(--orange-l);color:var(--orange-d)}
.serial{font-family:Consolas,monospace;font-size:21px;font-weight:bold;overflow-wrap:anywhere}
.scan{font-size:22px;letter-spacing:.8px}
.split{display:grid;grid-template-columns:1.3fr 1fr;gap:20px}
.chart-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.chart svg{width:100%;height:260px}.chart{min-width:0}
.help{font-size:12px;color:var(--muted);line-height:1.6}
.defect-row,.replacement-row,.criterion-row{display:flex;gap:8px;align-items:center;margin-bottom:10px}
.defect-row input:first-child,.criterion-row input:first-child{flex:2}
.defect-row input[type=number],.replacement-row input[type=number]{max-width:120px}
.hidden{display:none!important}
.paginationbar{display:flex;gap:12px;align-items:center;justify-content:flex-end}
.nowrap{white-space:nowrap}
.progress{height:8px;background:#eee}.progress-bar{background:var(--orange)}
.alert{border-radius:10px;border:0;border-left:4px solid var(--black)}
.alert-success{background:#fff;color:var(--black);border-left-color:var(--orange);box-shadow:var(--shadow)}
.alert-danger{background:var(--black);color:#fff;border-left-color:var(--orange)}
.text-danger{color:var(--orange-d)!important}

/* Diálogo */
dialog{border:0;border-radius:14px;max-width:1000px;width:94vw;max-height:90vh;overflow:auto;padding:26px;box-shadow:0 20px 100px #0007}
dialog::backdrop{background:#000000b3}

/* Acceso */
.login-wrap{min-height:100vh;display:grid;place-items:center;padding:16px;background:linear-gradient(135deg,#000 0%,#1c1c1c 55%,var(--orange) 160%)}
.login-card{background:#fff;border-radius:16px;padding:38px;width:min(470px,100%);border-top:6px solid var(--orange);box-shadow:0 24px 80px #0008}
.login-card h1{font-size:30px;line-height:1.12;margin:0 0 12px}
.login-card .eyebrow{line-height:1.5}
.login-logo{display:block;width:min(300px,100%);height:auto;margin:0 auto 24px}

/* Tablet */
@media(max-width:991px){
.app-shell{grid-template-columns:205px minmax(0,1fr)}
.mainnav{padding-left:10px;padding-right:10px}
.mxag-main{padding:20px 16px}
.split,.chart-grid{grid-template-columns:1fr}
.topbar{padding:12px 16px}
}

/* Móvil */
@media(max-width:800px){
body{font-size:15px}
.topbar{flex-wrap:wrap;padding:10px 14px;gap:8px}
.brand{gap:10px}.brand img{width:125px}.brand span{display:none}
.topbar>div{font-size:12px;gap:8px;margin-left:auto}
.role{padding:3px 8px;font-size:10px}
.mainnav a.active{background:var(--orange)}
.mxag-main{padding:16px 12px 40px}
.pagehead{align-items:flex-start;margin-bottom:16px}
.pagehead #connection{max-width:110px;text-align:right}
h1{font-size:23px}h2{font-size:18px}
.panel{padding:16px;border-radius:10px}
.panel-head{align-items:flex-start}
.kpis{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.kpi{padding:14px}.kpi strong{font-size:22px}
.grid{grid-template-columns:1fr}
.serial{font-size:18px}.scan{font-size:20px}
.btn{min-height:44px;padding-top:.5rem;padding-bottom:.5rem}
.btn-sm{min-height:38px}
.form-control,select.form-control,input,select,textarea{font-size:16px!important}
.form-control{min-height:46px}
.toolbar{align-items:stretch}
.toolbar .form-control,.toolbar select,.toolbar input{width:100%;max-width:none;flex:1 1 100%}
.toolbar .btn{flex:1 1 auto}
.defect-row,.replacement-row{flex-wrap:wrap}
.defect-row input[type=number],.replacement-row input[type=number]{max-width:none;flex:1}
.tabs .btn{flex:1 1 auto}
.paginationbar{justify-content:space-between}
.table{font-size:12px}
.table td,.table th{padding:.55rem .6rem}
dialog{width:100vw;max-width:100vw;height:100dvh;max-height:100dvh;border-radius:0;padding:18px 14px;margin:0}
.login-card{padding:26px 20px}
.login-logo{width:min(240px,100%)}
}
@media(max-width:600px){
.topbar{position:static;min-height:0}
.app-shell{display:block;min-height:0}
.mainnav{flex-direction:row;flex-wrap:nowrap;height:auto;overflow-x:auto;overflow-y:hidden;-webkit-overflow-scrolling:touch;scrollbar-width:none;padding:8px 10px;gap:6px;border-right:0;border-bottom:1px solid var(--line);position:sticky;top:0}
.mainnav::before{display:none}
.mainnav::-webkit-scrollbar{display:none}
.mainnav a{padding:11px 14px;background:#f3f2f0;flex:0 0 auto;white-space:nowrap}
}
@media(max-width:380px){.kpis{grid-template-columns:1fr}.brand img{width:100px}}
@media print{.topbar,.mainnav,.tabs,.toolbar,button,#notice{display:none!important}.mxag-main{padding:0}.panel,.kpi{break-inside:avoid;box-shadow:none}.chart-grid{grid-template-columns:1fr 1fr}}