:root{--bg:#f4f6f7;--card:#fff;--ink:#0f2730;--ink2:#52646b;--muted:#8a999e;--line:#e3e8ea;--teal:#0094aa;--orange:#f86600;--red:#d23b3b;--green:#16865a}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink);font-family:Montserrat,system-ui,sans-serif;font-size:15px}
a{color:var(--teal)}
h1,h2,h3,.brand{font-family:'Montserrat Alternates',Montserrat,sans-serif}
.top{background:#0b4f5c;color:#fff;display:flex;align-items:center;gap:18px;padding:0 20px;min-height:58px;flex-wrap:wrap;position:sticky;top:0;z-index:10}
.top .brand{font-weight:700;font-size:17px;margin-right:10px;white-space:nowrap}
.top nav{display:flex;gap:4px;flex-wrap:wrap;flex:1}
.top nav a{color:#cfe7ec;text-decoration:none;padding:8px 12px;border-radius:8px;font-weight:600;font-size:14px}
.top nav a.on,.top nav a:hover{background:rgba(255,255,255,.14);color:#fff}
.top .out{color:#cfe7ec;font-size:13px;text-decoration:none}
.wrap{max-width:1280px;margin:0 auto;padding:22px 16px 60px}
h1{font-size:22px;margin:4px 0 16px}
h2{font-size:17px;margin:26px 0 12px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px}
.grid4{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:16px}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.muted{color:var(--muted)}.small{font-size:13px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid var(--line);background:#fff;color:var(--ink);padding:8px 14px;border-radius:9px;font:600 14px Montserrat,sans-serif;cursor:pointer;text-decoration:none;min-height:38px}
.btn:hover{border-color:#b9c6ca}
.btn.pri{background:var(--teal);border-color:var(--teal);color:#fff}
.btn.org{background:var(--orange);border-color:var(--orange);color:#fff}
.btn.del{color:var(--red)}
.btn.sm{padding:4px 10px;min-height:30px;font-size:13px}
input[type=text],input[type=number],input[type=date],input[type=password],input[type=search],select,textarea{font:500 14px Montserrat,sans-serif;border:1px solid #cdd7da;border-radius:9px;padding:8px 10px;background:#fff;color:var(--ink);min-height:38px}
textarea{width:100%;min-height:220px;line-height:1.5}
label.f{display:flex;flex-direction:column;gap:4px;font-size:12px;font-weight:600;color:var(--ink2)}
.flash{padding:12px 16px;border-radius:10px;margin-bottom:16px;font-weight:600}
.flash.ok{background:#e3f5ec;color:#11603f}.flash.err{background:#fde8e8;color:#9b2323}

/* Tarjeta de stock */
.stk h3{margin:0 0 2px;font-size:17px}
.stk .big{font:700 40px 'Montserrat Alternates',sans-serif;line-height:1.1;margin:10px 0 2px}
.stk .big small{font-size:18px;color:var(--muted);font-weight:600}
.bar{height:10px;background:#e8eef0;border-radius:6px;overflow:hidden;margin:8px 0 12px}
.bar i{display:block;height:100%;background:var(--teal);border-radius:6px}
.bar i.warn{background:#e0a100}.bar i.full{background:var(--red)}
.stk .adj{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin-bottom:10px}
.stk .kv{display:flex;justify-content:space-between;font-size:13px;padding:5px 0;border-top:1px solid var(--line)}
.badge{display:inline-block;padding:2px 8px;border-radius:20px;font-size:12px;font-weight:700;background:#e8eef0;color:var(--ink2)}
.badge.v2{background:#ddeefa;color:#165f8c}.badge.off{background:#fde8e8;color:#9b2323}

/* Tablas */
.tbl-wrap{overflow-x:auto;background:#fff;border:1px solid var(--line);border-radius:14px}
table{border-collapse:collapse;width:100%;font-size:13.5px}
th,td{padding:9px 12px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap;vertical-align:middle}
th{background:#f8fafa;font-weight:700;color:var(--ink2);font-size:12px;text-transform:uppercase;letter-spacing:.03em;position:sticky;top:0}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
tr.del td{color:#aab4b7;text-decoration:line-through}
tr.del td.act{text-decoration:none}
tfoot td{font-weight:700;background:#f8fafa}
.thumb{width:44px;height:44px;object-fit:cover;border-radius:6px;border:1px solid var(--line);background:#f1f4f5;display:block}
.pager{display:flex;gap:6px;margin-top:14px;flex-wrap:wrap}

/* KPIs */
.kpis{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:14px}
.kpi{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px}
.kpi .l{font-size:12px;font-weight:700;color:var(--ink2);text-transform:uppercase;letter-spacing:.04em}
.kpi .v{font:700 clamp(20px,2.1vw,28px) 'Montserrat Alternates',sans-serif;overflow-wrap:anywhere;margin-top:6px;font-variant-numeric:tabular-nums}
.kpi .s{font-size:12.5px;color:var(--muted);margin-top:2px}
.chart-box{position:relative;height:340px}
.filters{display:flex;gap:10px;align-items:flex-end;flex-wrap:wrap;margin-bottom:18px}
.sw{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:6px;vertical-align:middle}

/* Login */
.login{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(160deg,#0b4f5c,#0094aa);padding:16px}
.login form{background:#fff;border-radius:16px;padding:30px;width:100%;max-width:360px;display:flex;flex-direction:column;gap:12px}
.login h1{margin:0 0 6px;font-size:21px}

/* Visor de fotos */
.lb{position:fixed;inset:0;background:rgba(0,0,0,.85);display:none;align-items:center;justify-content:center;z-index:100;padding:20px;cursor:zoom-out}
.lb.open{display:flex}
.lb img{max-width:100%;max-height:100%;border-radius:8px}
@media (max-width:640px){.top nav{order:3;width:100%}.wrap{padding:16px 12px}}

/* ---------- App: barra lateral + escritorio ---------- */
.app-shell{display:flex;min-height:100vh;background:#eef3f4}
.app-sidebar{width:232px;flex:0 0 232px;display:flex;flex-direction:column;position:sticky;top:0;height:100vh;padding:22px 14px 16px;background:#0b3e49;color:rgba(255,255,255,.78)}
.side-brand{padding:4px 10px 22px}
.side-product{color:#fff;font-family:'Montserrat Alternates',Montserrat,sans-serif;font-weight:700;font-size:18px;letter-spacing:-.03em;line-height:1.15}
.side-kicker{margin-top:4px;font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.45)}
.app-sidebar nav{display:flex;flex-direction:column;gap:4px}
.app-sidebar nav a{display:flex;align-items:center;gap:10px;padding:10px 10px;border-radius:12px;color:rgba(255,255,255,.72);text-decoration:none;font-weight:600;font-size:14px}
.app-sidebar nav a svg{width:32px;height:32px;padding:7px;border-radius:50%;background:rgba(255,255,255,.08);flex:0 0 32px}
.app-sidebar nav a.on,.app-sidebar nav a:hover{background:rgba(255,255,255,.1);color:#fff}
.app-sidebar nav a.on svg{background:#0094aa;color:#fff}
.side-foot{margin-top:auto;padding:12px;border-radius:14px;background:rgba(255,255,255,.06)}
.side-foot .who{color:#fff;font-weight:700;font-size:13px;margin-bottom:4px}
.side-foot button{background:none;border:0;padding:0;color:rgba(255,255,255,.55);font:600 13px Montserrat,sans-serif;cursor:pointer}
.side-foot button:hover{color:#fff}
.app-main{flex:1;min-width:0;padding:28px 28px 64px}
.app-main h1{font-size:26px;letter-spacing:-.03em;margin:0 0 14px}

.page-head{display:flex;justify-content:space-between;align-items:flex-end;gap:18px;flex-wrap:wrap;margin-bottom:18px}
.page-head h1{margin:0}
.kicker{margin:0 0 4px;font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--teal)}
.page-head .sub{margin:6px 0 0;color:var(--muted);font-size:13px}
.page-head .filters{margin:0}

.seg{display:inline-flex;background:#fff;border:1px solid var(--line);border-radius:999px;padding:3px;gap:2px}
.seg a{text-decoration:none;color:var(--ink2);font-weight:700;font-size:13px;padding:7px 12px;border-radius:999px;line-height:1}
.seg a.on,.seg a:hover{background:var(--teal);color:#fff}

.kpis-pro{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px;margin-bottom:14px}
.kpi-pro{background:#fff;border:1px solid var(--line);border-radius:16px;padding:14px 14px 12px;min-width:0}
.kpi-pro-top{display:flex;align-items:center;gap:8px;margin-bottom:10px}
.kpi-ico{width:28px;height:28px;border-radius:8px;display:grid;place-items:center;flex:0 0 28px}
.kpi-ico svg{width:16px;height:16px}
.kpi-lab{font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--ink2)}
.kpi-pro .val{font:700 26px/1.05 'Montserrat Alternates',sans-serif;letter-spacing:-.03em;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}
.kpi-pro .hint{margin-top:6px;color:var(--muted);font-size:12px;min-height:1.2em}
.kpi-pro .hint .up{color:var(--green);font-weight:700}
.kpi-pro .hint .down{color:var(--red);font-weight:700}
.kpi-track{margin-top:10px;height:4px;border-radius:99px;background:#e8eef0;overflow:hidden}
.kpi-track i{display:block;height:100%;background:var(--teal);border-radius:inherit}
.kpi-track i.warn{background:#e0a100}
.kpi-track i.full{background:var(--red)}

.insight{display:flex;flex-direction:column;gap:2px;border-radius:14px;padding:12px 16px;margin-bottom:18px;border:1px solid var(--line);background:#fff}
.insight strong{font-size:15px}
.insight span{color:var(--ink2);font-size:13px}
.insight.ok{background:#e7f6ee;border-color:#b7e4cb}
.insight.warn{background:#fff6e0;border-color:#f0d48a}

.stock-board{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-bottom:16px}
.stock-tile{background:#fff;border:1px solid var(--line);border-radius:16px;padding:14px 14px 12px}
.stock-tile-top{display:flex;align-items:center;font-weight:700}
.stock-tile-n{font:700 28px/1.1 'Montserrat Alternates',sans-serif;margin-top:8px}
.stock-tile-n small{font-size:14px;color:var(--muted);font-weight:600}

.dash-grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:14px}
.span-4{grid-column:span 4}.span-5{grid-column:span 5}.span-7{grid-column:span 7}.span-8{grid-column:span 8}.span-12{grid-column:span 12}
.panel{background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px 16px 14px;min-width:0}
.panel-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:12px;flex-wrap:wrap}
.dl{display:flex;gap:4px;flex:0 0 auto}
.dl a,.dl button{border:1px solid var(--line);background:#fff;color:var(--ink2);border-radius:999px;padding:4px 9px;font:700 11px Montserrat,sans-serif;letter-spacing:.04em;cursor:pointer;text-decoration:none;line-height:1.4}
.dl a:hover,.dl button:hover{border-color:var(--teal);color:var(--teal)}
.panel-head h2{margin:0;font-size:16px}
.panel-head p{margin:3px 0 0;color:var(--muted);font-size:12px}
.chart-h{position:relative;height:280px}
.chart-h-sm{height:240px}
.tbl-wrap.plain{border:0;border-radius:0;background:transparent}
.donut-wrap{display:grid;grid-template-columns:1fr 1fr;gap:8px;align-items:center}
.donut{position:relative;height:190px}
.donut-mid{position:absolute;inset:0;display:grid;place-content:center;text-align:center;pointer-events:none}
.donut-mid strong{font:700 26px/1 'Montserrat Alternates',sans-serif}
.donut-mid span{color:var(--muted);font-size:12px;font-weight:600}
.legend{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.legend li{display:flex;justify-content:space-between;gap:8px;font-size:13px}
.legend .name{display:flex;align-items:center;min-width:0}
.legend i{width:8px;height:8px;border-radius:50%;margin-right:6px;flex:0 0 8px}
.legend .val{font-weight:700;text-align:right}
.legend small{display:block;font-weight:600;color:var(--muted);font-size:11px}
.mini{display:flex;align-items:center;gap:8px;min-width:120px}
.mini-track{flex:1;height:6px;border-radius:99px;background:#e8eef0;overflow:hidden}
.mini-track i{display:block;height:100%;border-radius:inherit;background:var(--teal)}
.mini b{font-size:12px;min-width:36px;text-align:right}

@media (max-width:1100px){
  .kpis-pro{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stock-board{grid-template-columns:repeat(2,minmax(0,1fr))}
  .span-8,.span-7,.span-5,.span-4,.span-12{grid-column:span 12}
  .donut-wrap{grid-template-columns:180px 1fr}
}
@media (max-width:800px){
  .app-shell{flex-direction:column}
  .app-sidebar{width:auto;height:auto;position:relative;flex-basis:auto}
  .app-sidebar nav{flex-direction:row;flex-wrap:wrap}
  .side-foot{margin-top:12px}
  .app-main{padding:18px 14px 48px}
  .kpis-pro,.stock-board{grid-template-columns:1fr}
  .donut-wrap{grid-template-columns:1fr}
}