:root {
  --bg: #0d1117;
  --panel: #161b22;
  --panel-2: #1c2230;
  --border: #2a3140;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #2f81f7;
  --green: #3fb950;
  --red: #f85149;
  --amber: #d29922;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.hidden { display: none !important; }
.muted { color: var(--muted); }
.error { color: var(--red); min-height: 1.2em; margin: 6px 0 0; font-size: 13px; }
.req { color: var(--red); }

button {
  background: var(--accent);
  color: #fff;
  border: 0;
  border-radius: 6px;
  padding: 9px 14px;
  font-size: 14px;
  cursor: pointer;
}
button:hover { filter: brightness(1.1); }
button.ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}
button.small { padding: 4px 9px; font-size: 12px; }

input, select, textarea {
  width: 100%;
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 6px;
  padding: 8px 10px;
  font: inherit;
  margin-top: 3px;
}
label { display: block; margin-top: 10px; font-size: 13px; color: var(--muted); }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px;
}
.card h2 { margin: 0 0 12px; font-size: 15px; }
.card-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.card-head h2 { margin: 0; }

/* Login */
.login { min-height: 100vh; display: grid; place-items: center; padding: 20px; }
.login .card { width: 320px; text-align: center; }
.login h1 { font-size: 20px; margin: 0 0 4px; }
.login h1 span, .brand span { color: var(--accent); }
.login button { width: 100%; margin-top: 12px; }

/* Header */
header {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 14px 22px;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
  flex-wrap: wrap;
}
.brand { font-weight: 600; font-size: 16px; }
.ticker { display: flex; align-items: center; gap: 10px; }
.tk-label { color: var(--muted); font-size: 12px; letter-spacing: .5px; }
.tk-price { font-size: 20px; font-weight: 700; font-variant-numeric: tabular-nums; }
.head-actions { margin-left: auto; display: flex; gap: 8px; }

.badge {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--muted);
}
.badge.open { color: var(--green); border-color: var(--green); }
.badge.closed { color: var(--amber); border-color: var(--amber); }

/* Layout */
.grid {
  display: grid;
  grid-template-columns: minmax(340px, 460px) 1fr;
  gap: 18px;
  padding: 18px 22px;
  align-items: start;
}
.col { display: flex; flex-direction: column; gap: 18px; }
.row { display: flex; gap: 10px; }
.row label { flex: 1; }
.row.setup label { font-weight: 600; color: var(--text); }
#trade-form button { width: 100%; margin-top: 16px; }

@media (max-width: 900px) {
  .grid { grid-template-columns: 1fr; }
}

/* Trades */
.trade {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  margin-bottom: 10px;
  background: var(--panel-2);
}
.trade.closed { opacity: 0.55; }
.trade-top { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.trade-id { font-weight: 600; }
.tag {
  font-size: 11px; text-transform: uppercase; letter-spacing: .5px;
  padding: 1px 7px; border-radius: 4px; border: 1px solid var(--border); color: var(--muted);
}
.tag.long { color: var(--green); border-color: var(--green); }
.tag.short { color: var(--red); border-color: var(--red); }
.levels { display: flex; gap: 16px; margin: 8px 0; font-variant-numeric: tabular-nums; }
.levels .k { color: var(--muted); font-size: 12px; }
.levels .v { font-weight: 600; }
.levels .v.sl { color: var(--red); }
.levels .v.tg { color: var(--green); }
.trade-meta { font-size: 12px; color: var(--muted); display: flex; justify-content: space-between; gap: 8px; flex-wrap: wrap; }
.trade-actions { display: flex; gap: 6px; margin-top: 10px; }

/* Alerts */
.alert-row {
  display: flex; gap: 10px; align-items: baseline;
  padding: 7px 0; border-bottom: 1px solid var(--border); font-size: 13px;
}
.alert-row:last-child { border-bottom: 0; }
.alert-row .lvl { font-weight: 600; }
.alert-row .lvl.SL { color: var(--red); }
.alert-row .lvl.TARGET { color: var(--green); }
.alert-row .when { color: var(--muted); margin-left: auto; font-size: 12px; }
.mail-ok { color: var(--green); }
.mail-fail { color: var(--red); }
.empty { color: var(--muted); padding: 8px 0; }

/* Toast */
.toast {
  position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%);
  background: var(--panel-2); border: 1px solid var(--border);
  padding: 10px 16px; border-radius: 8px; font-size: 13px; z-index: 50;
}
.toast.ok { border-color: var(--green); }
.toast.bad { border-color: var(--red); }