/* Estilos del panel: tomados del prototipo (reference/inventario.html). */
/* Layout: panel de control de una columna — encabezado fijo, fila de indicadores, área con pestañas (Inventario / Movimientos) y modales. */
:root{
  --bg:#eef1f5; --surface:#ffffff; --surface-2:#f3f5f8; --surface-3:#e9edf2;
  --border:#d8dee6; --border-2:#c6ced8;
  --fg:#1a2330; --muted:#5d6775; --faint:#8b95a3;
  --accent:#0d7a8c; --accent-weak:#d6edf1; --accent-fg:#ffffff;
  --pos:#157a46; --pos-weak:#dcf0e4;
  --neg:#b4232a; --neg-weak:#f6dcdd;
  --warn:#9a5b06; --warn-weak:#f7e7cf;
  --shadow:0 1px 2px rgba(20,30,45,.06), 0 6px 18px rgba(20,30,45,.05);
  --radius:12px; --radius-sm:8px;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){ :root:not([data-theme="light"]){
  --bg:#0f141b; --surface:#161d26; --surface-2:#1b232e; --surface-3:#222d3a;
  --border:#28323f; --border-2:#34404f;
  --fg:#e7ecf3; --muted:#97a2b2; --faint:#6c7686;
  --accent:#2fb6c9; --accent-weak:#123842; --accent-fg:#06222a;
  --pos:#54c98a; --pos-weak:#13311f;
  --neg:#f17a80; --neg-weak:#3a1517;
  --warn:#e8b464; --warn-weak:#3a2a10;
  --shadow:0 1px 2px rgba(0,0,0,.3), 0 8px 22px rgba(0,0,0,.35);
  color-scheme:dark;
}}
:root[data-theme="dark"]{
  --bg:#0f141b; --surface:#161d26; --surface-2:#1b232e; --surface-3:#222d3a;
  --border:#28323f; --border-2:#34404f;
  --fg:#e7ecf3; --muted:#97a2b2; --faint:#6c7686;
  --accent:#2fb6c9; --accent-weak:#123842; --accent-fg:#06222a;
  --pos:#54c98a; --pos-weak:#13311f;
  --neg:#f17a80; --neg-weak:#3a1517;
  --warn:#e8b464; --warn-weak:#3a2a10;
  --shadow:0 1px 2px rgba(0,0,0,.3), 0 8px 22px rgba(0,0,0,.35);
  color-scheme:dark;
}

*{box-sizing:border-box}
body{
  background:var(--bg); color:var(--fg);
  font-family:"IBM Plex Sans",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  font-size:14px; line-height:1.45; margin:0;
  -webkit-font-smoothing:antialiased;
}
.mono{font-family:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;font-variant-numeric:tabular-nums}
.num{font-family:"IBM Plex Mono",ui-monospace,monospace;font-variant-numeric:tabular-nums}
h1,h2,h3{margin:0;text-wrap:balance;font-weight:600;letter-spacing:-.01em}
button{font-family:inherit;font-size:inherit;cursor:pointer}
input,select{font-family:inherit;font-size:14px}
a{color:var(--accent)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}

/* ---------- header ---------- */
header.app{
  position:sticky; top:env(safe-area-inset-top,0px); z-index:30;
  background:color-mix(in srgb,var(--surface) 88%,transparent);
  backdrop-filter:saturate(1.3) blur(8px);
  border-bottom:1px solid var(--border);
}
.hrow{max-width:1120px;margin:0 auto;padding:12px 16px;display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;margin-right:auto;min-width:0}
.logo{width:30px;height:30px;border-radius:8px;background:var(--accent);display:grid;place-items:center;flex:none}
.logo svg{width:18px;height:18px}
.brand .t{font-weight:700;font-size:16px;letter-spacing:-.02em;line-height:1}
.brand .s{font-size:11px;color:var(--muted);letter-spacing:.02em}
.tabs{display:flex;gap:2px;background:var(--surface-2);border:1px solid var(--border);border-radius:10px;padding:3px}
.tab{border:0;background:transparent;color:var(--muted);padding:7px 14px;border-radius:7px;font-weight:600;font-size:13px}
.tab[aria-selected="true"]{background:var(--surface);color:var(--fg);box-shadow:var(--shadow)}
.hbtns{display:flex;gap:8px;align-items:center}
.icbtn{width:34px;height:34px;border-radius:9px;border:1px solid var(--border);background:var(--surface);color:var(--muted);display:grid;place-items:center}
.icbtn:hover{color:var(--fg);border-color:var(--border-2)}
.icbtn svg{width:17px;height:17px}
.cur-pill{display:flex;align-items:center;gap:6px;border:1px solid var(--border);background:var(--surface);border-radius:9px;padding:0 11px;height:34px;color:var(--muted);font-weight:600;font-size:13px}
.cur-pill b{color:var(--fg)}

/* ---------- layout ---------- */
main{max-width:1120px;margin:0 auto;padding:18px 16px 40px}

/* ---------- KPI tiles ---------- */
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px;margin-bottom:18px}
.kpi{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:14px 15px;box-shadow:var(--shadow);min-width:0}
.kpi .k{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-weight:600;display:flex;align-items:center;gap:6px}
.kpi .v{font-family:"IBM Plex Mono",monospace;font-variant-numeric:tabular-nums;font-size:23px;font-weight:600;letter-spacing:-.02em;margin-top:7px;line-height:1.1;overflow-wrap:anywhere}
.kpi .sub{font-size:11.5px;color:var(--faint);margin-top:3px}
.kpi.accent .v{color:var(--accent)}
.kpi.pos .v{color:var(--pos)}
.dot{width:7px;height:7px;border-radius:50%;flex:none}

/* ---------- toolbar ---------- */
.toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:14px}
.search{position:relative;flex:1;min-width:160px}
.search svg{position:absolute;left:11px;top:50%;transform:translateY(-50%);width:16px;height:16px;color:var(--faint)}
.search input{width:100%;height:38px;padding:0 12px 0 34px;border-radius:9px;border:1px solid var(--border);background:var(--surface);color:var(--fg)}
select.f{height:38px;border-radius:9px;border:1px solid var(--border);background:var(--surface);color:var(--fg);padding:0 30px 0 12px;font-weight:500;max-width:48vw}
input,select{color:var(--fg)}
.btn{height:38px;padding:0 15px;border-radius:9px;border:1px solid var(--border);background:var(--surface);color:var(--fg);font-weight:600;display:inline-flex;align-items:center;gap:7px;white-space:nowrap}
.btn:hover{border-color:var(--border-2)}
.btn svg{width:16px;height:16px}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-fg)}
.btn.primary:hover{filter:brightness(1.05)}
.btn.ghost{background:transparent;border-color:transparent;color:var(--muted);padding:0 8px}
.btn.ghost:hover{color:var(--fg)}
.btn.sm{height:32px;padding:0 11px;font-size:13px}

/* ---------- table / cards ---------- */
.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.tscroll{overflow-x:auto}
table{width:100%;border-collapse:collapse;min-width:720px}
thead th{font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);font-weight:600;text-align:left;padding:11px 14px;border-bottom:1px solid var(--border);background:var(--surface-2);position:sticky;top:0;white-space:nowrap}
thead th.r,td.r{text-align:right}
tbody td{padding:11px 14px;border-bottom:1px solid var(--border);vertical-align:middle}
tbody tr:last-child td{border-bottom:0}
tbody tr:hover{background:var(--surface-2)}
.pname{font-weight:600}
.pcat{font-size:11.5px;color:var(--muted)}
.stock{display:inline-flex;align-items:center;gap:7px;font-family:"IBM Plex Mono",monospace;font-weight:600;font-variant-numeric:tabular-nums}
.pill{display:inline-flex;align-items:center;gap:5px;font-size:11px;font-weight:600;padding:2px 8px;border-radius:999px;letter-spacing:.02em;white-space:nowrap}
.pill.ok{background:var(--pos-weak);color:var(--pos)}
.pill.low{background:var(--warn-weak);color:var(--warn)}
.pill.zero{background:var(--neg-weak);color:var(--neg)}
.rowacts{display:flex;gap:4px;justify-content:flex-end}
.act{width:30px;height:30px;border-radius:8px;border:1px solid var(--border);background:var(--surface);display:grid;place-items:center;color:var(--muted)}
.act:hover{border-color:var(--border-2);color:var(--fg)}
.act.buy:hover{color:var(--pos);border-color:var(--pos)}
.act.sell:hover{color:var(--neg);border-color:var(--neg)}
.act svg{width:15px;height:15px}
.marg{font-weight:600}
.marg.good{color:var(--pos)} .marg.bad{color:var(--neg)}

/* empty / loading */
.empty{padding:46px 20px;text-align:center;color:var(--muted)}
.empty svg{width:40px;height:40px;color:var(--faint);margin-bottom:10px}
.empty h3{font-size:16px;color:var(--fg);margin-bottom:5px}
.empty p{max-width:340px;margin:0 auto 16px}
.skel{height:14px;border-radius:5px;background:linear-gradient(90deg,var(--surface-2),var(--surface-3),var(--surface-2));background-size:200% 100%;animation:sh 1.2s infinite}
@keyframes sh{0%{background-position:200% 0}100%{background-position:-200% 0}}
@media (prefers-reduced-motion:reduce){.skel{animation:none}}

/* ---------- movimientos list ---------- */
.mov{display:flex;gap:12px;padding:12px 14px;border-bottom:1px solid var(--border);align-items:flex-start}
.mov:last-child{border-bottom:0}
.mov .stripe{width:3px;align-self:stretch;border-radius:3px;flex:none}
.mov .ic{width:30px;height:30px;border-radius:8px;display:grid;place-items:center;flex:none}
.mov .ic svg{width:15px;height:15px}
.mov.in .ic{background:var(--pos-weak);color:var(--pos)} .mov.in .stripe{background:var(--pos)}
.mov.out .ic{background:var(--neg-weak);color:var(--neg)} .mov.out .stripe{background:var(--neg)}
.mov.neu .ic{background:var(--surface-3);color:var(--muted)} .mov.neu .stripe{background:var(--border-2)}
.mov .body{flex:1;min-width:0}
.mov .top{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}
.mov .mt{font-weight:600}
.mov .tag{font-size:10.5px;text-transform:uppercase;letter-spacing:.04em;font-weight:600;color:var(--muted)}
.mov .meta{font-size:12.5px;color:var(--muted);margin-top:2px;overflow-wrap:anywhere}
.mov .meta .q{color:var(--fg);font-weight:500}
.mov .nota{font-size:12.5px;color:var(--faint);margin-top:3px;font-style:italic}
.mov .right{text-align:right;flex:none;font-family:"IBM Plex Mono",monospace;font-variant-numeric:tabular-nums}
.mov .amt{font-weight:600}
.mov .amt.pos{color:var(--pos)} .mov .amt.neg{color:var(--neg)}
.mov .when{font-size:11px;color:var(--faint);margin-top:2px;white-space:nowrap}
.mov .after{font-size:11px;color:var(--muted);margin-top:1px}

/* ---------- modal ---------- */
.backdrop{position:fixed;inset:0;background:rgba(10,15,22,.5);backdrop-filter:blur(2px);z-index:50;display:flex;align-items:flex-end;justify-content:center;padding:0}
@media(min-width:560px){.backdrop{align-items:center;padding:20px}}
.modal{background:var(--surface);border:1px solid var(--border);width:100%;max-width:460px;max-height:92vh;overflow:auto;border-radius:16px 16px 0 0;box-shadow:0 -8px 40px rgba(0,0,0,.25)}
@media(min-width:560px){.modal{border-radius:16px}}
.mhead{display:flex;align-items:flex-start;gap:12px;padding:18px 18px 4px}
.mhead .mi{width:36px;height:36px;border-radius:10px;display:grid;place-items:center;flex:none;background:var(--accent-weak);color:var(--accent)}
.mhead .mi.pos{background:var(--pos-weak);color:var(--pos)} .mhead .mi.neg{background:var(--neg-weak);color:var(--neg)}
.mhead .mi svg{width:19px;height:19px}
.mhead h2{font-size:17px}
.mhead .ms{font-size:12.5px;color:var(--muted);margin-top:2px}
.mbody{padding:14px 18px 18px;display:flex;flex-direction:column;gap:13px}
.field{display:flex;flex-direction:column;gap:5px}
.field label{font-size:12px;font-weight:600;color:var(--muted)}
.field .hint{font-size:11px;color:var(--faint);font-weight:400}
.inp{height:40px;border-radius:9px;border:1px solid var(--border-2);background:var(--surface-2);color:var(--fg);padding:0 12px;width:100%}
.inp:focus{border-color:var(--accent);background:var(--surface)}
textarea.inp{height:auto;padding:9px 12px;resize:vertical;min-height:38px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:11px}
.prefix{position:relative}
.prefix span{position:absolute;left:11px;top:50%;transform:translateY(-50%);color:var(--faint);font-family:"IBM Plex Mono",monospace;pointer-events:none}
.prefix .inp{padding-left:26px;font-family:"IBM Plex Mono",monospace}
.calc{background:var(--surface-2);border:1px solid var(--border);border-radius:10px;padding:11px 13px;font-size:12.5px;color:var(--muted);display:flex;flex-direction:column;gap:5px}
.calc .ln{display:flex;justify-content:space-between;gap:10px}
.calc .ln b{color:var(--fg);font-family:"IBM Plex Mono",monospace;font-variant-numeric:tabular-nums}
.calc .ln.big b{font-size:15px}
.calc .ln.big .lbl{font-weight:600;color:var(--fg)}
.mactions{display:flex;gap:10px;padding:4px 18px 18px}
.mactions .btn{flex:1;height:42px;justify-content:center}
.err{color:var(--neg);font-size:12px;font-weight:500;min-height:0}

/* toast */
#toasts{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(18px + env(safe-area-inset-bottom,0px));z-index:80;display:flex;flex-direction:column;gap:8px;align-items:center;pointer-events:none;width:calc(100% - 32px);max-width:380px}
.toast{background:var(--fg);color:var(--bg);padding:10px 16px;border-radius:10px;font-weight:600;font-size:13px;box-shadow:0 8px 28px rgba(0,0,0,.3);display:flex;align-items:center;gap:9px;animation:pop .25s}
.toast svg{width:16px;height:16px;flex:none}
.toast.err{background:var(--neg);color:#fff}
@keyframes pop{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

/* settings popover */
.pop{position:absolute;right:16px;top:58px;z-index:40;background:var(--surface);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow);padding:14px;width:250px;display:flex;flex-direction:column;gap:12px}
.pop h3{font-size:13px}

.footnote{text-align:center;color:var(--faint);font-size:11.5px;margin-top:18px;line-height:1.5}

@media (max-width:560px){
  thead{display:none}
  table,tbody,tr,td{display:block;min-width:0}
  table{min-width:0}
  tbody tr{padding:12px 14px;border-bottom:1px solid var(--border);position:relative}
  tbody tr:hover{background:transparent}
  tbody td{border:0;padding:3px 0;display:flex;justify-content:space-between;align-items:center;gap:12px}
  tbody td::before{content:attr(data-l);font-size:11px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);font-weight:600}
  tbody td.prod{display:block;padding-bottom:7px}
  tbody td.prod::before{display:none}
  tbody td.acts{padding-top:9px;margin-top:7px;border-top:1px dashed var(--border)}
  tbody td.acts::before{content:""}
  .rowacts{width:100%;justify-content:space-between}
  .act{flex:1;height:34px}
  .kpi .v{font-size:21px}
}
.kpi .k svg{width:14px;height:14px;flex:none}