:root{--ink:#0d0d12;--muted:#6b6f7b;--line:#e8e6e1;--paper:#faf8f5;--card:#fff;--blue:#0602df;--sky:#1890d7;--green:#14904a;--amber:#c27803;--red:#d23b3b;--r:18px}
*{box-sizing:border-box}
body{margin:0;font-family:"Inter Tight",system-ui,sans-serif;color:var(--ink);background:var(--paper);font-size:16px;-webkit-font-smoothing:antialiased}
a{color:var(--blue)}
button,input,select,textarea{font:inherit;color:inherit}
h1{font-size:clamp(1.7rem,4vw,2.3rem);letter-spacing:-.035em;margin:0 0 4px;line-height:1.05}
h2{font-size:1.1rem;margin:0 0 12px;letter-spacing:-.01em}
.sub{color:var(--muted);margin:0 0 22px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--line);background:#fff;padding:11px 18px;border-radius:999px;font-weight:600;cursor:pointer;text-decoration:none;color:var(--ink);white-space:nowrap}
.btn.primary{background:var(--ink);border-color:var(--ink);color:#fff}
.btn.primary:hover{background:var(--blue);border-color:var(--blue)}
.btn.good{background:var(--green);border-color:var(--green);color:#fff}
.btn.bad{color:var(--red)}
.btn.sm{padding:7px 13px;font-size:.85rem}
.btn:disabled{opacity:.55;cursor:default}
input,select,textarea{width:100%;padding:13px 14px;border:1px solid var(--line);border-radius:12px;background:#fff;outline:none;font-size:16px}
input:focus,select:focus,textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(6,2,223,.12)}
label{display:grid;gap:6px;font-size:.88rem;font-weight:600}
.err{color:var(--red);font-size:.92rem;margin:0;min-height:1.2em}
.muted{color:var(--muted)}
/* auth */
.auth{min-height:100vh;display:grid;place-items:center;padding:20px;background:linear-gradient(#8fc1ea,#dceaf6 55%,#faf8f5)}
.auth form{width:min(400px,100%);background:#fff;border-radius:26px;padding:32px 26px;box-shadow:0 30px 80px rgba(13,13,18,.12);display:grid;gap:14px}
.auth img{height:44px;margin:0 auto 4px}
.auth p.c{text-align:center;margin:0;color:var(--muted)}
.auth .link{background:none;border:0;color:var(--blue);cursor:pointer;font-weight:600;padding:0}
/* shell */
.shell{display:grid;grid-template-columns:240px 1fr;min-height:100vh}
.side{background:#fff;border-right:1px solid var(--line);padding:22px 14px;display:flex;flex-direction:column;gap:4px;position:sticky;top:0;height:100vh}
.side .logo{height:38px;margin:0 8px 24px;align-self:flex-start}
.nav a{display:flex;align-items:center;gap:12px;padding:11px 12px;border-radius:12px;text-decoration:none;color:var(--ink);font-weight:500}
.nav a:hover{background:var(--paper)}
.nav a.on{background:var(--ink);color:#fff}
.nav svg{width:20px;height:20px;flex:none}
.nav .dot{margin-left:auto;background:var(--red);color:#fff;border-radius:999px;font-size:.72rem;font-weight:700;padding:1px 7px}
.side .who{margin-top:auto;padding:12px;font-size:.85rem;color:var(--muted);border-top:1px solid var(--line)}
.side .who b{display:block;color:var(--ink)}
main{padding:30px 34px 80px;max-width:1050px;width:100%}
.mtop{display:none}
/* cards */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px;margin-bottom:18px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px}
.kpi small{color:var(--muted);font-weight:500}
.kpi b{display:block;font-size:1.75rem;letter-spacing:-.03em;margin-top:4px}
.kpi.warn b{color:var(--red)}
a.kpi{text-decoration:none;color:inherit}
.hero{background:linear-gradient(135deg,var(--blue),var(--sky));color:#fff;border:0}
.hero small,.hero .muted{color:rgba(255,255,255,.8)}
.stack{display:grid;gap:12px}
.row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.row .grow{flex:1;min-width:0}
.item{display:flex;gap:14px;align-items:flex-start;padding:14px 0;border-top:1px solid var(--line)}
.item:first-child{border-top:0;padding-top:0}
.item .grow{flex:1;min-width:0}
.item .t{font-weight:700}
.item .s{color:var(--muted);font-size:.9rem;margin-top:2px}
.badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:.75rem;font-weight:700;text-transform:capitalize;background:#eeece8;color:#4a4a55;white-space:nowrap}
.b-paid,.b-done,.b-approved,.b-let,.b-active,.b-confirmed{background:#dcf3e5;color:var(--green)}
.b-due,.b-open,.b-pending{background:#e3e9ff;color:var(--blue)}
.b-overdue,.b-declined,.b-urgent,.b-rejected{background:#fde2e2;color:var(--red)}
.b-scheduled,.b-in_progress,.b-high,.b-vacant{background:#fff1d6;color:var(--amber)}
table{width:100%;border-collapse:collapse;font-size:.92rem}
th{text-align:left;color:var(--muted);font-weight:600;font-size:.75rem;text-transform:uppercase;letter-spacing:.05em;padding:10px 8px;border-bottom:1px solid var(--line)}
td{padding:11px 8px;border-bottom:1px solid var(--line)}
td.n,th.n{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.tablewrap{overflow-x:auto}
.totals{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin:16px 0}
.totals div{background:var(--paper);border-radius:12px;padding:12px 14px}
.totals small{color:var(--muted)}
.totals b{display:block;font-size:1.2rem}
form.stack{max-width:560px}
.approve{background:#fffaf0;border:1px solid #f3dfb2;border-radius:14px;padding:14px;margin-top:10px}
/* chat */
.chat{display:flex;flex-direction:column;height:calc(100vh - 210px);min-height:380px}
.msgs{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:10px;padding:4px 2px 12px}
.bubble{max-width:78%;padding:11px 15px;border-radius:18px;line-height:1.45;white-space:pre-wrap;word-wrap:break-word}
.bubble.me{align-self:flex-end;background:var(--ink);color:#fff;border-bottom-right-radius:6px}
.bubble.them{align-self:flex-start;background:#fff;border:1px solid var(--line);border-bottom-left-radius:6px}
.bubble small{display:block;font-size:.72rem;opacity:.65;margin-top:5px}
.compose{display:flex;gap:10px;padding-top:12px;border-top:1px solid var(--line)}
.compose textarea{resize:none;height:52px}
.empty{color:var(--muted);text-align:center;padding:30px 10px}
.bank{white-space:pre-wrap;font-family:ui-monospace,Menlo,monospace;font-size:.9rem;background:rgba(255,255,255,.15);border-radius:12px;padding:12px;margin-top:10px}
.card .bank{background:var(--paper)}
.file{display:flex;align-items:center;gap:12px}
.file .ic{width:40px;height:40px;border-radius:10px;background:var(--paper);display:grid;place-items:center;font-size:.7rem;font-weight:800;color:var(--muted);flex:none;text-transform:uppercase}
.toast{position:fixed;left:50%;bottom:90px;transform:translate(-50%,20px);background:var(--ink);color:#fff;padding:12px 18px;border-radius:999px;font-weight:600;opacity:0;pointer-events:none;transition:.25s;z-index:50;max-width:calc(100% - 32px);text-align:center}
.toast.on{opacity:1;transform:translate(-50%,0)}
.toast.bad{background:var(--red)}
@media(max-width:860px){
 .shell{grid-template-columns:1fr}
 .side{position:fixed;inset:auto 0 0 0;height:auto;flex-direction:row;padding:6px 6px calc(6px + env(safe-area-inset-bottom));border-right:0;border-top:1px solid var(--line);z-index:30;justify-content:space-around}
 .side .logo,.side .who{display:none}
 .nav{display:contents}
 .nav a{flex-direction:column;gap:3px;font-size:.68rem;padding:7px 4px;flex:1;text-align:center;position:relative}
 .nav a.more{display:none}
 .nav .dot{position:absolute;top:2px;right:calc(50% - 22px);margin:0;font-size:.62rem;padding:0 5px}
 main{padding:16px 16px 110px}
 .mtop{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
 .mtop img{height:32px}
 .chat{height:calc(100vh - 250px)}
 .bubble{max-width:88%}
}