:root{
  --navy:#0e2a47; --navy-2:#143a63; --accent:#e8b23a; --bg:#f4f6f9; --card:#fff;
  --text:#1a2433; --muted:#68788f; --line:#e3e8ef; --ok:#2f9e63; --bad:#d64545;
  --radius:14px; --nav-h:56px;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,'Segoe UI',Roboto,Arial,sans-serif;background:var(--bg);color:var(--text);min-height:100vh}
a{color:inherit;text-decoration:none}

.topbar{position:sticky;top:0;z-index:20;display:flex;justify-content:space-between;align-items:center;
  background:var(--navy);color:#fff;padding:10px 16px;gap:10px}
.brand{font-weight:700;letter-spacing:.3px;font-size:15px;white-space:nowrap}
.brand-mark{background:var(--accent);color:var(--navy);padding:2px 7px;border-radius:6px;font-weight:800}
.top-actions{display:flex;align-items:center;gap:10px}
.who{font-size:13px;opacity:.85;max-width:130px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.btn{border:0;border-radius:9px;padding:8px 14px;font-size:14px;font-weight:600;cursor:pointer;background:var(--navy-2);color:#fff}
.btn.ghost{background:rgba(255,255,255,.14);color:#fff}
.btn.accent{background:var(--accent);color:var(--navy)}
.btn.danger{background:var(--bad)}
.btn.ok{background:var(--ok)}
.btn:disabled{opacity:.5;cursor:default}

.nav{display:flex;gap:2px;background:#fff;border-bottom:1px solid var(--line);padding:0 8px;overflow-x:auto;
  position:sticky;top:48px;z-index:19}
.nav-item{display:flex;align-items:center;gap:6px;padding:12px 14px;font-size:14px;color:var(--muted);
  border-bottom:2.5px solid transparent;white-space:nowrap}
.nav-item.active{color:var(--navy);border-color:var(--accent);font-weight:700}
.ni{font-size:15px}

.content{max-width:1180px;margin:0 auto;padding:18px 14px 90px}
.banner{border-radius:10px;padding:10px 14px;font-size:14px;margin-bottom:14px}
.banner.warn{background:#fff6e0;border:1px solid #eed593;color:#7a5d10}
.banner.stale{background:#feecec;border:1px solid #f2b8b8;color:#8c2626}
.pill{font-size:11px;padding:3px 8px;border-radius:99px;font-weight:700}
.pill.warn{background:var(--accent);color:var(--navy)}
.pill.ok{background:#d9f2e4;color:#1c6b43}
.pill.off{background:#eee;color:#888}

.grid{display:grid;gap:14px}
.grid.kpi{grid-template-columns:repeat(auto-fill,minmax(210px,1fr))}
.grid.two{grid-template-columns:1fr 1fr}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px}
.card h3{font-size:13px;color:var(--muted);font-weight:600;margin-bottom:8px;text-transform:uppercase;letter-spacing:.4px}
.kpi-value{font-size:26px;font-weight:800;line-height:1.2}
.kpi-sub{font-size:13px;color:var(--muted);margin-top:4px}
.delta-up{color:var(--ok)} .delta-down{color:var(--bad)}
.chart-wrap{position:relative;height:300px}

table.data{width:100%;border-collapse:collapse;font-size:14px}
table.data th{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.4px;text-align:left;
  padding:8px 10px;border-bottom:1.5px solid var(--line)}
table.data td{padding:9px 10px;border-bottom:1px solid var(--line)}
table.data tr:last-child td{border-bottom:0}
.num{text-align:right;font-variant-numeric:tabular-nums}
.scroll-x{overflow-x:auto}

/* login */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--navy);padding:16px}
.login-card{background:#fff;border-radius:18px;padding:34px 30px;width:100%;max-width:380px}
.login-card h1{font-size:20px;margin-bottom:4px}
.login-card p{color:var(--muted);font-size:13px;margin-bottom:22px}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;font-weight:600;margin-bottom:5px}
.field input,.field select{width:100%;padding:11px 12px;border:1.5px solid var(--line);border-radius:10px;font-size:15px}
.field input:focus{outline:none;border-color:var(--navy-2)}
.error{background:#feecec;color:#8c2626;border-radius:9px;padding:9px 12px;font-size:13px;margin-bottom:12px}

/* chat */
.chat-box{display:flex;flex-direction:column;height:calc(100vh - 210px);min-height:380px}
.chat-log{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:10px;padding:6px 2px}
.msg{max-width:85%;padding:10px 14px;border-radius:14px;font-size:14.5px;line-height:1.5;white-space:pre-wrap;word-break:break-word}
.msg.user{align-self:flex-end;background:var(--navy);color:#fff;border-bottom-right-radius:4px}
.msg.assistant{align-self:flex-start;background:#fff;border:1px solid var(--line);border-bottom-left-radius:4px}
.msg.system{align-self:center;background:none;color:var(--muted);font-size:12px}
.msg.assistant .md p{margin:.4em 0}
.msg.assistant .md table{border-collapse:collapse;margin:.5em 0;font-size:13px}
.msg.assistant .md td,.msg.assistant .md th{border:1px solid var(--line);padding:4px 8px}
.msg.assistant .md code{background:#f0f3f7;border-radius:4px;padding:1px 5px;font-size:13px}
.msg.assistant .md pre{background:#0e2a47;color:#e8eefb;border-radius:8px;padding:10px;overflow-x:auto;font-size:13px}
.chat-input{display:flex;gap:8px;padding-top:10px}
.chat-input textarea{flex:1;resize:none;border:1.5px solid var(--line);border-radius:12px;padding:11px 13px;font-size:15px;font-family:inherit;max-height:130px}
.working{display:flex;gap:5px;align-items:center;color:var(--muted);font-size:13px;padding:4px 8px}
.dot{width:7px;height:7px;border-radius:50%;background:var(--accent);animation:blink 1.2s infinite}
.dot:nth-child(2){animation-delay:.2s}.dot:nth-child(3){animation-delay:.4s}
@keyframes blink{0%,80%,100%{opacity:.25}40%{opacity:1}}
.approval{border:1.5px solid var(--accent);border-radius:10px;padding:10px;margin-top:8px;background:#fffaf0;font-size:13px}
.approval .btns{display:flex;gap:8px;margin-top:8px}

/* admin */
.perm-grid{font-size:12.5px}
.perm-grid th{writing-mode:vertical-rl;transform:rotate(200deg);padding:6px 3px;font-size:11px}
.perm-grid td{text-align:center}
.audit-log{font-family:ui-monospace,Consolas,monospace;font-size:12px;max-height:420px;overflow-y:auto}
.audit-log div{padding:4px 6px;border-bottom:1px solid var(--line)}
details.section{margin-bottom:14px}
details.section summary{cursor:pointer;font-weight:700;padding:10px 0}

@media(max-width:720px){
  .content{padding:12px 10px 90px}
  .grid.two{grid-template-columns:1fr}
  .nav{position:fixed;top:auto;bottom:0;left:0;right:0;border-top:1px solid var(--line);border-bottom:0;
    justify-content:space-around;padding:0 2px calc(env(safe-area-inset-bottom))}
  .nav-item{flex-direction:column;gap:2px;padding:8px 6px;font-size:10.5px;border-bottom:0;border-top:2.5px solid transparent}
  .nav-item.active{border-top-color:var(--accent)}
  .kpi-value{font-size:22px}
  .chat-box{height:calc(100vh - 230px)}
  .who{display:none}
}