:root {
  --bg: #0f1419;
  --card: #1a2332;
  --text: #e7ecf3;
  --muted: #8b9bb4;
  --accent: #3b82f6;
  --good: #22c55e;
  --bad: #ef4444;
  --border: #2a3548;
  --input: #0b1017;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.45;
  font-size: 16px;
}
a { color: var(--accent); text-decoration: none; }
.wrap { max-width: 720px; margin: 0 auto; padding: 12px 14px 40px; }
header {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0 14px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 16px;
}
header .brand { font-weight: 700; font-size: 1.1rem; }
nav { display: flex; flex-wrap: wrap; gap: 10px; }
nav a { color: var(--muted); font-size: 0.95rem; }
nav a:hover, nav a.active { color: var(--text); }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px;
  margin-bottom: 12px;
}
h1 { font-size: 1.25rem; margin: 0 0 8px; }
h2 { font-size: 1.05rem; margin: 0 0 10px; color: var(--muted); font-weight: 600; }
.muted { color: var(--muted); font-size: 0.9rem; }
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}
.badge.ok { background: #14532d; color: #bbf7d0; }
.badge.fail { background: #7f1d1d; color: #fecaca; }
.badge.buy { background: #1e3a5f; color: #bfdbfe; }
.badge.sell { background: #7f1d1d; color: #fecaca; }
.row {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}
.row:last-child { border-bottom: 0; }
.ticker { font-weight: 700; font-size: 1.05rem; }
.meta { color: var(--muted); font-size: 0.85rem; }
.pos { color: var(--good); }
.neg { color: var(--bad); }
label { display: block; margin: 10px 0 4px; color: var(--muted); font-size: 0.9rem; }
input, select, textarea, button {
  width: 100%;
  font-size: 1rem;
  padding: 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--input);
  color: var(--text);
}
button, .btn {
  background: var(--accent);
  border: 0;
  color: white;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
  display: inline-block;
  width: auto;
  padding: 12px 18px;
  margin-top: 12px;
}
button.secondary { background: #334155; }
button.danger { background: var(--bad); }
.flash {
  padding: 10px 12px;
  border-radius: 10px;
  margin-bottom: 12px;
  background: #1e3a5f;
}
.flash.error { background: #7f1d1d; }
table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th, td { text-align: left; padding: 8px 4px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; }
.login-box { max-width: 400px; margin: 40px auto; }
.empty { color: var(--muted); padding: 8px 0; }