:root{--bg:#141313;--bg-secondary:#3f3f46;--border:#27272a;--primary:#29cf55;--muted:#a1a1aa;--text:#fafafa;--radius:10px;--sidebar-w:264px;color-scheme:dark}*{box-sizing:border-box}body,html{margin:0;padding:0;height:100%;background:var(--bg);color:var(--text);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:15px;line-height:1.55;-webkit-font-smoothing:antialiased;overscroll-behavior-y:none}button{font:inherit;color:inherit;cursor:pointer}a{color:var(--primary)}.shell{display:grid;grid-template-columns:var(--sidebar-w) 1fr;height:100dvh}.sidebar{display:flex;flex-direction:column;min-height:0;border-right:1px solid var(--border);background:var(--bg)}.sidebar-head{justify-content:space-between;padding:14px 14px 10px}.brand,.sidebar-head{display:flex;align-items:center;gap:8px}.brand{font-weight:650;letter-spacing:-.01em}.brand-dot{width:8px;height:8px;border-radius:50%;background:var(--primary);box-shadow:0 0 10px rgba(41,207,85,.6)}.btn{border:1px solid var(--border);background:transparent;color:var(--text);border-radius:var(--radius);padding:7px 11px;font-size:13px;transition:background .12s ease,border-color .12s ease}.btn:hover{background:var(--bg-secondary)}.btn-primary{background:var(--primary);border-color:var(--primary);color:#08210f;font-weight:600}.btn-primary:hover{background:#22b849;border-color:#22b849}.btn:disabled{opacity:.5;cursor:not-allowed}.convo-list{flex:1 1;overflow-y:auto;padding:4px 8px 8px;min-height:0}.convo{display:block;width:100%;text-align:left;border:1px solid transparent;background:transparent;border-radius:var(--radius);padding:8px 10px;margin-bottom:2px;font-size:13.5px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.convo:hover,.convo[data-active=true]{background:var(--bg-secondary);color:var(--text)}.convo[data-active=true]{border-color:var(--border)}.cost-meter{border-top:1px solid var(--border);padding:12px 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.msg-body{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius);padding:10px 13px}.chips{display:flex;flex-wrap:wrap;gap:6px}.chip{font-size:11.5px;border:1px solid var(--border);border-radius:999px;padding:2px 9px;color:var(--muted)}.chip[data-tone=ok]{color:var(--primary);border-color:rgba(41,207,85,.4)}.chip[data-tone=warn]{color:#f5b544;border-color:rgba(245,181,68,.4)}.empty{color:var(--muted);text-align:center;padding:48px 12px}.composer{border-top:1px solid var(--border);padding:14px 18px 18px}.composer-inner{max-width:780px;margin:0 auto;display:flex;gap:10px;align-items:flex-end}.composer textarea{flex:1 1;resize:none;background:var(--bg-secondary);color:var(--text);border:1px solid var(--border);border-radius:var(--radius);padding:11px 13px;font:inherit;max-height:200px;min-height:44px}.composer textarea:focus{outline:none;border-color:var(--primary)}.page{max-width:980px;margin:0 auto;padding:28px 18px 64px}.page h1{font-size:22px;margin:0 0 4px}.page .sub{color:var(--muted);margin:0 0 24px}.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:12px;gap:12px;margin-bottom:28px}.card{border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px;background:var(--bg-secondary)}.card .label{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.05em}.card .value{font-size:26px;font-weight:650;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}table{width:100%;border-collapse:collapse;font-size:13.5px}td,th{text-align:left;padding:8px 10px;border-bottom:1px solid var(--border)}th{color:var(--muted);font-weight:600;font-size:11.5px;text-transform:uppercase;letter-spacing:.05em}td.num,th.num{text-align:right;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius)}.login-wrap{display:grid;place-items:center;height:100dvh;padding:20px}.login-card{width:100%;max-width:340px;border:1px solid var(--border);border-radius:14px;padding:22px;background:var(--bg-secondary);display:grid;grid-gap:12px;gap:12px}.login-card input{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);padding:10px 12px;font:inherit}.login-card input:focus{outline:none;border-color:var(--primary)}.error{color:#f87171;font-size:13px}@media (max-width:760px){.shell{grid-template-columns:1fr}.sidebar{position:fixed;inset:0 auto 0 0;width:min(84vw,var(--sidebar-w));z-index:20;transform:translateX(-100%);transition:transform .18s ease;border-right:1px solid var(--border)}.sidebar[data-open=true]{transform:none}.scrim{position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:10}.cards{grid-template-columns:1fr}}@media (min-width:761px){.menu-btn,.scrim{display:none}}.ev-input{width:100%;background:var(--bg-secondary);color:var(--text);border:1px solid var(--border);border-radius:var(--radius);padding:12px 13px;font:inherit;font-size:16px}.ev-input:focus{outline:none;border-color:var(--primary)}select.ev-input{-webkit-appearance:none;-moz-appearance:none;appearance:none}