:root { --bg:#0f1117; --card:#1a1d27; --card2:#22263a; --border:#2a2e3e; --text:#e6e6e6; --muted:#8b8fa3; --accent:#3b82f6; --green:#22c55e; --red:#ef4444; --orange:#f59e0b; }
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: -apple-system, "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--text); font-size: 15px; line-height: 1.45; }
.hidden { display: none !important; }
.muted { color: var(--muted); } .small { font-size: .85em; }
.help { display:inline-block; width:16px; height:16px; border-radius:50%; background:var(--border); color:var(--muted); font-size:.7rem; text-align:center; line-height:16px; cursor:help; margin-left:4px; }

/* login */
.login { min-height: 100vh; display: flex; align-items: center; justify-content: center; }
.login-box { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 32px; width: 340px; display: flex; flex-direction: column; gap: 12px; }
.login-box h1 { color: var(--accent); }
.login-box input { background: var(--bg); color: var(--text); border: 1px solid var(--border); border-radius: 8px; padding: 12px; font-size: 1rem; }
.error { color: var(--red); min-height: 1.2em; font-size: .9rem; }

/* layout */
.top { display: flex; align-items: center; gap: 18px; padding: 12px 20px; background: var(--card); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 5; flex-wrap: wrap; }
.brand { font-weight: 700; font-size: 1.15rem; color: var(--accent); }
.pill { font-size: .7rem; background: var(--border); color: var(--text); border-radius: 10px; padding: 2px 8px; vertical-align: middle; margin-left: 6px; }
.pill.real { background: var(--red); color: #fff; }
.tabs { display: flex; gap: 4px; }
.tab { background: none; border: none; color: var(--muted); padding: 8px 14px; font-size: 1rem; cursor: pointer; border-bottom: 2px solid transparent; }
.tab.active { color: var(--accent); border-bottom-color: var(--accent); }
.top-right { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--muted); display: inline-block; }
.dot.on { background: var(--green); } .dot.off { background: var(--red); }
main { padding: 18px 20px 60px; max-width: 1400px; margin: 0 auto; }
.tab-content { display: none; } .tab-content.active { display: block; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 1000px) { .grid-2 { grid-template-columns: 1fr; } }

/* status bar */
.status-bar { display: flex; align-items: center; justify-content: space-between; gap: 16px; background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 16px 20px; margin-bottom: 16px; flex-wrap: wrap; }
.status-title { font-size: 1.25rem; }
.status-title b.on { color: var(--green); } .status-title b.off { color: var(--muted); }
.status-sub { color: var(--muted); margin-top: 2px; }
.status-actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* kpis */
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; margin-bottom: 16px; }
.kpi { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 14px 16px; }
.kpi-label { font-size: .8rem; color: var(--muted); }
.kpi-value { font-size: 1.5rem; font-weight: 700; margin-top: 2px; }
.kpi-sub { font-size: .8rem; color: var(--muted); }
.pos { color: var(--green); } .neg { color: var(--red); }

/* cards & tables */
.card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; margin-bottom: 16px; overflow: hidden; }
.card h3 { padding: 12px 16px; font-size: 1rem; color: var(--muted); border-bottom: 1px solid var(--border); font-weight: 600; }
.pad { padding: 14px 16px; }
table { width: 100%; border-collapse: collapse; }
th { text-align: left; font-size: .75rem; color: var(--muted); padding: 10px 12px; border-bottom: 1px solid var(--border); text-transform: uppercase; letter-spacing: .04em; }
td { padding: 10px 12px; border-bottom: 1px solid var(--border); font-size: .92rem; }
tr:last-child td { border-bottom: none; }
.badge { display: inline-block; padding: 2px 8px; border-radius: 6px; font-size: .78rem; font-weight: 600; }
.badge-buy { background: rgba(34,197,94,.15); color: var(--green); } .badge-sell { background: rgba(239,68,68,.15); color: var(--red); }
.empty { padding: 24px; text-align: center; color: var(--muted); }
canvas { display: block; width: 100%; }

/* events */
.events { list-style: none; max-height: 340px; overflow: auto; }
.events li { padding: 8px 16px; border-bottom: 1px solid var(--border); font-size: .9rem; display: flex; gap: 10px; }
.events li:last-child { border-bottom: none; }
.events .t { color: var(--muted); white-space: nowrap; font-variant-numeric: tabular-nums; }
.events .lvl-trade { color: var(--accent); } .events .lvl-warn { color: var(--orange); } .events .lvl-error { color: var(--red); } .events .lvl-signal { color: var(--green); }

/* withdraw */
.withdraw { padding: 14px 16px; }
.withdraw .big { font-size: 1.3rem; font-weight: 700; margin: 6px 0; }
.withdraw .big.due { color: var(--green); }
.withdraw .bar { height: 8px; background: var(--bg); border: 1px solid var(--border); border-radius: 4px; overflow: hidden; margin: 8px 0; }
.withdraw .bar > div { height: 100%; background: var(--accent); }
.withdraw .row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-top: 8px; }
.withdraw input, .row input, .row select { background: var(--bg); color: var(--text); border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; font-size: .95rem; }
.kv { padding: 10px 16px; display: grid; grid-template-columns: auto 1fr; gap: 6px 16px; font-size: .92rem; }
.kv span { color: var(--muted); }
.radio { display: block; padding: 8px 0; cursor: pointer; }
.row { display: flex; gap: 10px; align-items: center; margin: 8px 0; flex-wrap: wrap; }

/* buttons & toasts */
.btn { background: var(--bg); color: var(--text); border: 1px solid var(--border); border-radius: 8px; padding: 9px 14px; font-size: .95rem; cursor: pointer; }
.btn:hover { background: var(--card2); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-danger { background: rgba(239,68,68,.12); border-color: var(--red); color: var(--red); font-weight: 700; }
.btn-danger:hover { background: var(--red); color: #fff; }
.btn-sm { padding: 4px 10px; font-size: .8rem; }
.btn:disabled { opacity: .5; cursor: default; }
.toasts { position: fixed; right: 16px; bottom: 16px; display: flex; flex-direction: column; gap: 8px; z-index: 20; }
.toast { background: var(--card); border: 1px solid var(--accent); border-radius: 10px; padding: 10px 14px; box-shadow: 0 6px 18px rgba(0,0,0,.35); max-width: 380px; font-size: .92rem; }
.toast.ok { border-color: var(--green); } .toast.bad { border-color: var(--red); }