/* Skills Matrix UI — adapted from the approved mockup design language (teal/slate). */
:root { color-scheme: light dark; --ft-teal:#168f82; --ft-teal-d:#102f36; --ft-exp:#55b8ae; --ft-cert:#e8a952; }
* { box-sizing: border-box; }
body { margin:0; font-family:-apple-system,system-ui,"Segoe UI",sans-serif; font-size:13px;
  color:light-dark(#1a1c1f,#eaf4f4); background:light-dark(#e9eff0,#11181b); }
a { color:inherit; text-decoration:none; }
.app-window { min-height:100vh; display:grid; grid-template-columns:220px minmax(0,1fr); }
.sidebar { padding:22px 14px; background:var(--ft-teal-d); color:#eaf4f4; display:flex; flex-direction:column; gap:24px; }
.brand { display:flex; gap:11px; align-items:center; padding:0 8px; }
.mark { width:38px;height:38px;border-radius:11px;background:var(--ft-teal); display:grid;place-items:center;font-weight:850;color:#fff;letter-spacing:-.05em; }
.brand strong { display:block; font-size:13px; } .brand span { display:block; opacity:.65; font-size:11px; margin-top:3px; }
.nav { display:grid; gap:4px; }
.nav a { padding:10px 11px; border-radius:8px; color:#c8dadc; display:flex; gap:10px; align-items:center; font-size:13px; }
.nav a:hover { background:rgba(255,255,255,.07); }
.nav a.active { color:#fff; background:#1c5056; }
.nav i { font-style:normal; width:21px; text-align:center; opacity:.9; }
.user { margin-top:auto; padding:12px 9px 0; border-top:1px solid rgba(255,255,255,.11); }
.user strong { font-size:12px; display:block; } .user span { font-size:11px; opacity:.62; }
.main { min-width:0; display:flex; flex-direction:column; background:light-dark(#f8faf9,#182125); }
.topbar { min-height:70px; padding:14px 24px; display:flex; align-items:center; justify-content:space-between;
  border-bottom:1px solid light-dark(#dce4e5,#2c393d); background:light-dark(#fff,#1b262a); }
.topbar h1 { margin:0; font-size:20px; letter-spacing:-.03em; } .topbar p { margin:4px 0 0; font-size:11px; color:light-dark(#6f7f84,#aab9bd); }
.top-actions { display:flex; gap:8px; align-items:center; }
.badge { padding:5px 9px; border-radius:999px; font-size:10px; background:light-dark(#e5f5f1,#183d3b); color:light-dark(#147a6e,#73d8ca); }
.content { padding:22px 24px 30px; }
.action { border:1px solid light-dark(#cbd7d8,#3b4a4f); background:light-dark(#fff,#202d31); color:inherit; padding:8px 11px; border-radius:7px; font-size:12px; cursor:pointer; display:inline-block; }
.action.primary { background:var(--ft-teal); border-color:var(--ft-teal); color:#fff; font-weight:700; }
.filters { display:grid; grid-template-columns:repeat(4,minmax(110px,1fr)); gap:10px; margin-bottom:16px; align-items:end; }
.field label { display:block; font-size:9px; text-transform:uppercase; letter-spacing:.07em; color:light-dark(#718086,#93a5aa); margin-bottom:5px; font-weight:750; }
.field select { width:100%; border:1px solid light-dark(#ced9db,#3b4a4e); border-radius:7px; padding:8px 9px; color:inherit; background:light-dark(#fff,#202c30); font-size:12px; }
.metrics { display:grid; grid-template-columns:repeat(4,1fr); gap:12px; margin-bottom:14px; }
.metric, .panel { border:1px solid light-dark(#d9e2e3,#303e42); background:light-dark(#fff,#1d292d); border-radius:10px; }
.metric { padding:14px; } .metric span { color:light-dark(#718086,#9aabb0); font-size:10px; }
.metric strong { display:block; font-size:24px; line-height:1; margin:8px 0 6px; letter-spacing:-.04em; }
.metric small { font-size:9px; color:var(--ft-teal); }
.grid-2 { display:grid; grid-template-columns:1.35fr 1fr; gap:14px; }
.panel { padding:15px; min-width:0; }
.panel-head { display:flex; justify-content:space-between; align-items:center; margin-bottom:15px; }
.panel h3 { font-size:12px; margin:0; } .panel-head span { font-size:9px; color:light-dark(#829096,#92a4a8); }
.legend { display:flex; gap:12px; justify-content:flex-end; font-size:9px; margin-top:14px; }
.dot { width:7px; height:7px; border-radius:50%; display:inline-block; margin-right:4px; }
.alert-list { display:grid; gap:9px; }
.alert-row { padding:10px; border-radius:8px; background:light-dark(#f5f8f8,#222f33); display:grid; grid-template-columns:8px 1fr auto; gap:9px; align-items:center; }
.alert-row > i { width:7px; height:7px; border-radius:50%; background:var(--ft-cert); }
.alert-row strong { display:block; font-size:11px; } .alert-row span { font-size:10px; color:light-dark(#718086,#9aabb0); }
.alert-row time { font-size:10px; color:#d48a2c; font-weight:700; }
.empty { padding:20px; text-align:center; color:light-dark(#718086,#9aabb0); font-size:11px; }
.note { margin-top:14px; padding:9px 10px; border-left:3px solid var(--ft-teal); background:light-dark(#eef8f6,#1d3837); color:light-dark(#38635f,#a9ceca); font-size:10px; line-height:1.5; }
@media (max-width:760px){ .app-window{grid-template-columns:60px minmax(0,1fr);} .brand>div:last-child,.nav span,.user{display:none;} .nav a{justify-content:center;} .metrics,.filters{grid-template-columns:1fr 1fr;} .grid-2{grid-template-columns:1fr;} }

/* grouped/collapsible sidebar nav */
.nav-group{border:0}
.nav-group>summary{list-style:none;cursor:pointer;padding:10px 11px;border-radius:8px;color:#c8dadc;display:flex;align-items:center;gap:10px;font-size:13px}
.nav-group>summary::-webkit-details-marker{display:none}
.nav-group>summary::after{content:"\25B8";margin-left:auto;font-size:9px;opacity:.6;transition:transform .15s}
.nav-group[open]>summary::after{transform:rotate(90deg)}
.nav-group>summary:hover{background:rgba(255,255,255,.07)}
.nav-group>summary i{width:21px;text-align:center;opacity:.9;font-style:normal}
.nav-group .nav-children{display:grid;gap:2px;padding:2px 0 4px 12px;margin-top:2px}
.nav-group .nav-children a{font-size:12px;padding:7px 11px}