:root {
    --bg: #0f1420;
    --panel: #171e2e;
    --panel-2: #1e2740;
    --text: #e6ebf5;
    --muted: #8b96ad;
    --accent: #4f8cff;
    --green: #2ecc8f;
    --red: #ff5c72;
    --amber: #ffb454;
    --border: #2a3450;
}

* { box-sizing: border-box; }
body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar { background: var(--panel); border-bottom: 1px solid var(--border); }
.topbar-inner {
    max-width: 1100px; margin: 0 auto; padding: 12px 20px;
    display: flex; align-items: center; gap: 24px; flex-wrap: wrap;
}
.brand { font-weight: 700; font-size: 17px; color: var(--text); }
.topbar nav { display: flex; gap: 16px; flex-wrap: wrap; }
.topbar nav a { color: var(--muted); }
.topbar nav a:hover { color: var(--text); text-decoration: none; }

.container { max-width: 1100px; margin: 24px auto; padding: 0 20px; }

h1 { font-size: 22px; margin: 0 0 16px; }
h2 { font-size: 17px; margin: 24px 0 10px; }

.flash { padding: 10px 14px; border-radius: 8px; margin-bottom: 14px; }
.flash-success { background: rgba(46, 204, 143, .12); border: 1px solid var(--green); }
.flash-error { background: rgba(255, 92, 114, .12); border: 1px solid var(--red); }

.panel {
    background: var(--panel); border: 1px solid var(--border);
    border-radius: 10px; padding: 18px; margin-bottom: 18px;
}

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; white-space: nowrap; }
tr:last-child td { border-bottom: none; }
.table-wrap { overflow-x: auto; }

.badge {
    display: inline-block; padding: 2px 9px; border-radius: 999px;
    font-size: 12px; font-weight: 600; white-space: nowrap;
}
.badge-buy { background: rgba(79, 140, 255, .15); color: var(--accent); }
.badge-sell { background: rgba(255, 180, 84, .15); color: var(--amber); }
.badge-green { background: rgba(46, 204, 143, .15); color: var(--green); }
.badge-red { background: rgba(255, 92, 114, .15); color: var(--red); }
.badge-muted { background: rgba(139, 150, 173, .15); color: var(--muted); }

.pos { color: var(--green); }
.neg { color: var(--red); }
.muted { color: var(--muted); }
.mono { font-family: ui-monospace, "Cascadia Code", Consolas, monospace; font-size: 13px; }

form.stack { display: grid; gap: 12px; max-width: 520px; }
label { display: grid; gap: 4px; font-size: 13px; color: var(--muted); }
input[type=text], input[type=email], input[type=password], input[type=number],
input[type=date], select, textarea {
    background: var(--panel-2); color: var(--text);
    border: 1px solid var(--border); border-radius: 8px; padding: 9px 11px;
    font: inherit; width: 100%;
}
textarea { min-height: 140px; font-family: ui-monospace, Consolas, monospace; font-size: 13px; }
.check { display: flex; align-items: center; gap: 8px; color: var(--text); font-size: 14px; }

button, .btn {
    background: var(--accent); color: #fff; border: 0; border-radius: 8px;
    padding: 9px 16px; font: inherit; font-weight: 600; cursor: pointer;
}
button:hover, .btn:hover { filter: brightness(1.1); text-decoration: none; }
.btn-secondary { background: var(--panel-2); border: 1px solid var(--border); }
.btn-danger { background: var(--red); }
.btn-sm { padding: 5px 10px; font-size: 13px; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 14px; }
.stat { font-size: 24px; font-weight: 700; }
.stat-label { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }

.auth-box { max-width: 380px; margin: 60px auto; }
.equity-chart { width: 100%; height: 220px; background: var(--panel-2); border-radius: 8px; }

@media (max-width: 700px) {
    .grid-2 { grid-template-columns: 1fr; }
}