/* Sistema de Inventario — Laboratorio La Esperanza. Colores de marca: azul #006CB4, verde #009C84. */
:root{
  --bg:#f4f7f6; --surface:#fff; --surface-2:#fafcfb; --border:#e4e9e7; --border-strong:#d2dad7;
  --ink:#16211f; --muted:#5e6d69; --faint:#8a9793;
  --accent:#006cb4; --accent-ink:#005089; --accent-soft:#dbeaf7; --brand2:#009c84;
  --ok:#15803d; --ok-bg:#e6f3ea; --warn:#a85708; --warn-bg:#fbeed9; --crit:#bd2828; --crit-bg:#fae7e7;
  --shadow:0 1px 2px rgba(16,32,30,.05),0 3px 10px rgba(16,32,30,.05);
  --r:12px;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",system-ui,Roboto,"Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,"SF Mono",SFMono-Regular,Menlo,Consolas,monospace;
}
@media (prefers-color-scheme:dark){
  :root{
    --bg:#0d1413; --surface:#141e1c; --surface-2:#101816; --border:#243330; --border-strong:#31423e;
    --ink:#e8efec; --muted:#9aa8a4; --faint:#71807b;
    --accent:#3ba7e8; --accent-ink:#7cc3f0; --accent-soft:#0f2a3d; --brand2:#26c2a8;
    --ok:#4ade80; --ok-bg:#12291d; --warn:#fbbf24; --warn-bg:#2c2410; --crit:#f87171; --crit-bg:#2e1717;
    --shadow:0 1px 2px rgba(0,0,0,.3),0 3px 12px rgba(0,0,0,.4);
  }
}
:root[data-theme="dark"]{
  --bg:#0d1413; --surface:#141e1c; --surface-2:#101816; --border:#243330; --border-strong:#31423e;
  --ink:#e8efec; --muted:#9aa8a4; --faint:#71807b;
  --accent:#3ba7e8; --accent-ink:#7cc3f0; --accent-soft:#0f2a3d; --brand2:#26c2a8;
  --ok:#4ade80; --ok-bg:#12291d; --warn:#fbbf24; --warn-bg:#2c2410; --crit:#f87171; --crit-bg:#2e1717;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 3px 12px rgba(0,0,0,.4);
}
:root[data-theme="light"]{
  --bg:#f4f7f6; --surface:#fff; --surface-2:#fafcfb; --border:#e4e9e7; --border-strong:#d2dad7;
  --ink:#16211f; --muted:#5e6d69; --faint:#8a9793;
  --accent:#006cb4; --accent-ink:#005089; --accent-soft:#dbeaf7; --brand2:#009c84;
  --ok:#15803d; --ok-bg:#e6f3ea; --warn:#a85708; --warn-bg:#fbeed9; --crit:#bd2828; --crit-bg:#fae7e7;
  --shadow:0 1px 2px rgba(16,32,30,.05),0 3px 10px rgba(16,32,30,.05);
}

*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;font-family:var(--sans);color:var(--ink);background:var(--bg);line-height:1.45;-webkit-font-smoothing:antialiased}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0)}
.shell{display:grid;grid-template-columns:236px 1fr;min-height:100vh}
.hidden{display:none!important}

/* Sidebar */
.sidebar{background:var(--surface);border-right:1px solid var(--border);padding:18px 14px;display:flex;flex-direction:column;gap:22px}
.brand{display:flex;align-items:center;gap:10px;padding:4px 6px}
.logo{width:36px;height:36px;border-radius:9px;background:linear-gradient(135deg,var(--accent),var(--brand2));display:grid;place-items:center;color:#fff;font-weight:700;font-size:15px;flex:none;letter-spacing:.5px}
.brand .name{font-weight:650;font-size:14.5px;letter-spacing:-.2px;line-height:1.15}
.brand .sub{font-size:11px;color:var(--faint);letter-spacing:.3px}
.nav{display:flex;flex-direction:column;gap:3px}
.nav .lbl{font-size:10.5px;text-transform:uppercase;letter-spacing:.09em;color:var(--faint);padding:0 8px 6px;font-weight:600}
.nav-item{display:flex;align-items:center;gap:11px;width:100%;text-align:left;border:0;background:transparent;color:var(--muted);font:inherit;font-size:13.5px;font-weight:550;padding:9px 10px;border-radius:9px;cursor:pointer}
.nav-item svg{width:17px;height:17px;flex:none;opacity:.85}
.nav-item:hover{background:var(--surface-2);color:var(--ink)}
.nav-item.on{background:var(--accent-soft);color:var(--accent-ink)}
.nav-item.on svg{opacity:1}
.side-foot{margin-top:auto;font-size:11px;color:var(--faint);padding:10px 8px;border-top:1px solid var(--border);line-height:1.5}

/* Main */
.main{display:flex;flex-direction:column;min-width:0}
.topbar{display:flex;align-items:center;gap:14px;padding:13px 22px;border-bottom:1px solid var(--border);background:var(--surface);position:sticky;top:0;z-index:5}
.crumb{font-size:13px;color:var(--muted);font-weight:500}.crumb b{color:var(--ink);font-weight:650}
.top-actions{margin-left:auto;display:flex;align-items:center;gap:8px}
.icon-btn{border:1px solid var(--border-strong);background:var(--surface);color:var(--muted);font:inherit;font-size:12.5px;font-weight:550;padding:7px 12px;border-radius:8px;cursor:pointer}
.icon-btn:hover{color:var(--ink);border-color:var(--faint)}
.search-box{flex:1;max-width:260px;display:flex;align-items:center;gap:8px;background:var(--surface-2);border:1px solid var(--border);padding:6px 11px;border-radius:8px}
.search-box svg{color:var(--faint);flex:none}
.search-box input{border:0;background:transparent;outline:none;font:inherit;font-size:12.5px;color:var(--ink);width:100%}

.content{padding:24px 22px 40px}
.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:18px;flex-wrap:wrap}
h1{font-size:21px;letter-spacing:-.4px;margin:0 0 3px;font-weight:680;text-wrap:balance}
.page-head p{margin:0;color:var(--muted);font-size:13px}

/* Stat cards */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:22px}
.stat{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:15px 16px;box-shadow:var(--shadow);cursor:pointer;text-align:left;font:inherit;color:inherit;display:block;position:relative}
.stat:hover{border-color:var(--faint)}
.stat .n{font-size:27px;font-weight:700;letter-spacing:-1px;font-variant-numeric:tabular-nums;line-height:1}
.stat .l{font-size:12.5px;color:var(--muted);margin-top:7px;font-weight:550}
.stat .tag{position:absolute;top:14px;right:14px;width:9px;height:9px;border-radius:50%}
.stat.crit .n{color:var(--crit)}.stat.crit .tag{background:var(--crit)}
.stat.warn .n{color:var(--warn)}.stat.warn .tag{background:var(--warn)}
.stat.ok .n{color:var(--accent)}.stat.ok .tag{background:var(--accent)}

/* Panels + attention list */
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);box-shadow:var(--shadow);overflow:hidden}
.panel-h{display:flex;align-items:center;justify-content:space-between;padding:13px 16px;border-bottom:1px solid var(--border)}
.panel-h h3{margin:0;font-size:13.5px;font-weight:650}
.panel-h .see{font-size:12px;color:var(--accent);background:0;border:0;cursor:pointer;font:inherit;font-weight:600}
.alist{display:flex;flex-direction:column}
.arow{display:flex;align-items:center;gap:12px;padding:11px 16px;border-top:1px solid var(--border);cursor:pointer;text-align:left;background:0;border-left:0;border-right:0;border-bottom:0;width:100%;font:inherit;color:inherit}
.arow:first-child{border-top:0}
.arow:hover{background:var(--surface-2)}
.arow .stripe{width:3px;align-self:stretch;border-radius:3px;flex:none;min-height:30px}
.arow.crit .stripe{background:var(--crit)}.arow.warn .stripe{background:var(--warn)}.arow.ok .stripe{background:var(--ok)}
.arow .info{min-width:0;flex:1}
.arow .t{font-size:13px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.arow .s{font-size:11.5px;color:var(--muted);margin-top:1px}

/* Pills */
.pill{display:inline-flex;align-items:center;gap:6px;font-size:11.5px;font-weight:600;padding:3px 9px;border-radius:20px;white-space:nowrap;line-height:1.3}
.pill .dot{width:6px;height:6px;border-radius:50%;flex:none}
.pill.ok{color:var(--ok);background:var(--ok-bg)}.pill.ok .dot{background:var(--ok)}
.pill.warn{color:var(--warn);background:var(--warn-bg)}.pill.warn .dot{background:var(--warn)}
.pill.crit{color:var(--crit);background:var(--crit-bg)}.pill.crit .dot{background:var(--crit)}
.pill.neutral{color:var(--muted);background:var(--surface-2);border:1px solid var(--border)}.pill.neutral .dot{background:var(--faint)}
.pill.accent{color:var(--accent-ink);background:var(--accent-soft)}.pill.accent .dot{background:var(--accent)}

/* Toolbar + chips */
.toolbar{display:flex;align-items:center;gap:8px;margin-bottom:14px;flex-wrap:wrap}
.chip{border:1px solid var(--border-strong);background:var(--surface);color:var(--muted);font:inherit;font-size:12px;font-weight:550;padding:6px 12px;border-radius:20px;cursor:pointer}
.chip.active{background:var(--accent);color:#fff;border-color:var(--accent)}
.chip:hover:not(.active){border-color:var(--faint);color:var(--ink)}
.spacer{flex:1}
.btn{border:1px solid var(--border-strong);background:var(--surface);color:var(--ink);font:inherit;font-size:12.5px;font-weight:600;padding:8px 13px;border-radius:8px;cursor:pointer;display:inline-flex;align-items:center;gap:7px}
.btn:hover{border-color:var(--faint)}
.btn.pri{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn.pri:hover{background:var(--accent-ink);border-color:var(--accent-ink)}
.btn:disabled{opacity:.5;cursor:not-allowed}
.linkbtn{border:0;background:0;font:inherit;font-size:14px;cursor:pointer;color:var(--accent);padding:3px 6px;border-radius:6px}
.linkbtn:hover{background:var(--surface-2)}
.linkbtn.danger{color:var(--crit)}
.badge{display:none;background:var(--crit);color:#fff;font-size:10.5px;font-weight:700;padding:1px 7px;border-radius:10px;margin-left:4px;line-height:1.5}
.badge.on{display:inline-block}
.nav-item.on .badge{background:var(--accent)}

/* Menú de usuario */
.usermenu{position:relative}
.usermenu-pop{position:absolute;right:0;top:calc(100% + 6px);background:var(--surface);border:1px solid var(--border);border-radius:10px;box-shadow:var(--shadow);padding:6px;min-width:180px;display:none;z-index:20;flex-direction:column;gap:2px}
.usermenu-pop.on{display:flex}
.usermenu-pop button{border:0;background:0;text-align:left;font:inherit;font-size:13px;color:var(--ink);padding:9px 11px;border-radius:7px;cursor:pointer}
.usermenu-pop button:hover{background:var(--surface-2)}

/* Pantalla de login */
.login-screen{position:fixed;inset:0;background:var(--bg);display:flex;align-items:center;justify-content:center;padding:20px;z-index:60}
.login-card{background:var(--surface);border:1px solid var(--border);border-radius:16px;box-shadow:0 20px 60px rgba(16,32,30,.14);width:100%;max-width:360px;padding:30px 28px}
.login-card .logo{width:48px;height:48px;font-size:19px;margin:0 auto 14px}
.login-card h2{margin:0 0 4px;text-align:center;font-size:19px;font-weight:680}
.login-card p.sub{margin:0 0 22px;text-align:center;color:var(--muted);font-size:13px}
.login-card .field{margin-bottom:14px}
.login-card .err{color:var(--crit);font-size:12.5px;margin:-4px 0 12px;text-align:center;min-height:16px}
.login-card .btn.pri{width:100%;justify-content:center;padding:11px;font-size:14px}

/* Table */
.tbl-wrap{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);box-shadow:var(--shadow);overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:13px;min-width:660px}
thead th{text-align:left;font-size:10.5px;text-transform:uppercase;letter-spacing:.06em;color:var(--faint);font-weight:650;padding:11px 14px;border-bottom:1px solid var(--border);white-space:nowrap;background:var(--surface-2)}
tbody td{padding:11px 14px;border-bottom:1px solid var(--border);vertical-align:middle}
tbody tr:last-child td{border-bottom:0}
tbody tr.clickable{cursor:pointer}
tbody tr.clickable:hover{background:var(--surface-2)}
td .name{font-weight:600}
td .meta{font-size:11.5px;color:var(--faint)}
.code{font-family:var(--mono);font-size:11.5px;color:var(--muted);background:var(--surface-2);padding:2px 6px;border-radius:5px;border:1px solid var(--border)}
.num{font-variant-numeric:tabular-nums;font-weight:600}
.muted{color:var(--muted)}

/* Detail */
.back{border:0;background:0;color:var(--muted);font:inherit;font-size:12.5px;font-weight:600;cursor:pointer;padding:2px 0;margin-bottom:12px;display:inline-flex;align-items:center;gap:6px}
.back:hover{color:var(--ink)}
.detail-head{display:flex;align-items:flex-start;gap:16px;justify-content:space-between;flex-wrap:wrap;margin-bottom:18px}
.detail-head .l h1{margin-bottom:6px}
.row-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.actions{display:flex;gap:8px;flex-wrap:wrap}
.mini-stats{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:6px}
.mini{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:10px 14px;min-width:110px}
.mini .n{font-size:20px;font-weight:700;font-variant-numeric:tabular-nums}
.mini .l{font-size:11px;color:var(--muted);margin-top:2px;font-weight:550}
.cards2{display:grid;grid-template-columns:1.15fr 1fr;gap:16px;margin-top:14px}
.section-t{font-size:12px;font-weight:650;text-transform:uppercase;letter-spacing:.05em;color:var(--faint);margin:22px 0 10px}
.note{font-size:12px;color:var(--muted);background:var(--surface-2);border:1px solid var(--border);border-left:3px solid var(--accent);padding:10px 13px;border-radius:8px;margin-top:8px;line-height:1.5}
.empty{text-align:center;color:var(--muted);padding:40px 20px;font-size:13.5px}
.empty .big{font-size:34px;margin-bottom:8px}

/* Modal + forms */
.modal-backdrop{position:fixed;inset:0;background:rgba(10,20,18,.45);display:flex;align-items:center;justify-content:center;padding:18px;z-index:40}
.modal{background:var(--surface);border:1px solid var(--border);border-radius:14px;box-shadow:0 20px 60px rgba(0,0,0,.28);width:100%;max-width:440px;overflow:hidden}
.modal-h{padding:15px 18px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}
.modal-h h3{margin:0;font-size:15px;font-weight:650}
.modal-h .x{border:0;background:0;font-size:20px;color:var(--faint);cursor:pointer;line-height:1;padding:0 4px}
.modal-b{padding:18px}
.modal-f{padding:14px 18px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:8px;background:var(--surface-2)}
.field{margin-bottom:14px}
.field:last-child{margin-bottom:0}
.field label{display:block;font-size:12px;font-weight:600;color:var(--muted);margin-bottom:5px}
.field input,.field select{width:100%;border:1px solid var(--border-strong);background:var(--surface);color:var(--ink);font:inherit;font-size:13.5px;padding:9px 11px;border-radius:8px;outline:none}
.field input:focus,.field select:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.field .hint{font-size:11px;color:var(--faint);margin-top:4px}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* Toast */
.toast{position:fixed;left:50%;bottom:26px;transform:translateX(-50%) translateY(20px);background:var(--ink);color:var(--bg);padding:11px 18px;border-radius:10px;font-size:13px;font-weight:550;box-shadow:0 8px 30px rgba(0,0,0,.25);opacity:0;pointer-events:none;transition:opacity .25s,transform .25s;z-index:50;max-width:88%;text-align:center}
.toast.err{background:var(--crit)}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

@media(prefers-reduced-motion:reduce){*{transition:none!important}}
@media(max-width:860px){
  .shell{grid-template-columns:1fr}
  .sidebar{flex-direction:row;align-items:center;gap:14px;overflow-x:auto;padding:12px 14px;position:sticky;top:0;z-index:6}
  .brand{flex:none}.nav{flex-direction:row;gap:4px}.nav .lbl,.side-foot{display:none}
  .nav-item{padding:8px 12px;white-space:nowrap}
  .stats{grid-template-columns:1fr 1fr}.grid2,.cards2{grid-template-columns:1fr}
}
@media(max-width:520px){.search-box{display:none}h1{font-size:19px}}