:root {
  --bg: #0b0e13; --panel: #121722; --panel2: #182030; --line: #223047;
  --text: #e8edf5; --muted: #8b98ac; --accent: #4f8cff; --green: #2ecc8f; --red: #ff5d6c;
  font-size: 15px;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: "Inter", system-ui, -apple-system, sans-serif; }
header { display: flex; justify-content: space-between; align-items: center; padding: 14px 22px; border-bottom: 1px solid var(--line); position: sticky; top: 0; background: rgba(11,14,19,.92); backdrop-filter: blur(6px); z-index: 5; }
.brand { font-weight: 800; letter-spacing: .14em; font-size: 1.15rem; }
.brand-sub { font-weight: 400; letter-spacing: normal; color: var(--muted); font-size: .8rem; }
.header-right { display: flex; gap: 10px; align-items: center; }
.who { color: var(--muted); font-size: .85rem; }
.badge { padding: 3px 10px; border-radius: 6px; font-size: .72rem; font-weight: 700; letter-spacing: .08em; }
.badge-paper { background: #1c3a2a; color: #4be3a0; border: 1px solid #2e5c43; }
.pill { background: var(--panel2); border: 1px solid var(--line); border-radius: 999px; padding: 3px 12px; font-size: .8rem; color: var(--muted); }
.pill b { color: var(--text); }

main { padding: 20px; max-width: 1300px; margin: 0 auto; }
.grid { display: grid; grid-template-columns: 2fr 1fr; gap: 16px; }
.chart-card { grid-column: 1; }
.ticket-card { grid-column: 2; grid-row: 1; }
@media (max-width: 900px) { .grid { grid-template-columns: 1fr; } .chart-card, .ticket-card { grid-column: 1; grid-row: auto; } }

.card { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 18px; }
.card h3 { margin: 0 0 12px; font-size: .95rem; }
.auth-card { max-width: 640px; margin: 60px auto; }
.auth-card h1 { font-size: 1.4rem; margin-top: 0; }
.auth-forms { display: flex; gap: 20px; flex-wrap: wrap; }
.auth-form { flex: 1; min-width: 240px; display: flex; flex-direction: column; gap: 8px; }
input, select, textarea { background: var(--panel2); color: var(--text); border: 1px solid var(--line); border-radius: 8px; padding: 9px 12px; font-size: .9rem; width: 100%; }
textarea { font-family: ui-monospace, monospace; font-size: .8rem; }
label { display: block; margin: 8px 0; font-size: .85rem; color: var(--muted); }
.btn { background: var(--panel2); color: var(--text); border: 1px solid var(--line); border-radius: 8px; padding: 9px 14px; font-size: .88rem; cursor: pointer; }
.btn:hover { border-color: var(--accent); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }
.btn-danger { background: #3a1420; border-color: #7c2434; color: #ff8d99; font-weight: 700; width: 100%; padding: 12px; }
.btn-ghost { background: transparent; }
.muted { color: var(--muted); }
.msg { font-size: .84rem; min-height: 1.2em; }
.msg.err { color: var(--red); } .msg.ok { color: var(--green); }
.fineprint { color: var(--muted); font-size: .74rem; line-height: 1.5; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }

#chart { height: 380px; }
.chart-head select { width: auto; }
.quote-line { font-size: .84rem; }

.seg { display: flex; gap: 6px; margin-top: 4px; }
.seg-btn { flex: 1; padding: 8px; background: var(--panel2); border: 1px solid var(--line); border-radius: 8px; color: var(--muted); cursor: pointer; font-weight: 700; }
.seg-buy.active { background: #143a2a; color: #4be3a0; border-color: #2e5c43; }
.seg-sell.active { background: #3a1420; color: #ff8d99; border-color: #7c2434; }

.stat-row { display: flex; gap: 18px; margin-bottom: 12px; }
.stat { display: flex; flex-direction: column; }
.stat-label { color: var(--muted); font-size: .72rem; text-transform: uppercase; letter-spacing: .06em; }
.stat b { font-size: 1.05rem; }

table { width: 100%; border-collapse: collapse; font-size: .82rem; }
th { text-align: left; color: var(--muted); font-weight: 500; padding: 6px 8px; border-bottom: 1px solid var(--line); }
td { padding: 6px 8px; border-bottom: 1px solid #1a2436; }
.pl-pos { color: var(--green); } .pl-neg { color: var(--red); }

.killswitch { margin-top: 18px; border-top: 1px solid var(--line); padding-top: 14px; }
footer { text-align: center; color: var(--muted); font-size: .75rem; padding: 30px 20px; }
footer a { color: var(--muted); }
.buy-btn { flex: 1; }
details summary { cursor: pointer; color: var(--muted); font-size: .85rem; margin: 8px 0; }