:root {
  --bg: #0b0d12;
  --surface: #12151c;
  --border: #232733;
  --text: #e8eaf0;
  --muted: #8b90a0;
  --accent: #5b8cff;
  --long: #37c98f;
  --short: #ff6b6b;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}

.login-body {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2.5rem;
  width: 320px;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.login-card h1 { margin: 0; font-size: 1.4rem; letter-spacing: -0.02em; }
.subtitle { margin: 0 0 0.5rem; color: var(--muted); font-size: 0.85rem; }

input, button {
  font: inherit;
  border-radius: 8px;
  padding: 0.65rem 0.8rem;
}

input {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
}

button {
  background: var(--accent);
  border: none;
  color: white;
  cursor: pointer;
  font-weight: 600;
}

.btn.ghost { background: transparent; border: 1px solid var(--border); color: var(--text); }
.error { color: var(--short); font-size: 0.85rem; margin: 0; }

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
}

.topbar h1 { margin: 0; font-size: 1.2rem; letter-spacing: -0.02em; display: inline-block; margin-right: 0.75rem; }

.mode-badge {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--muted);
}
.mode-badge.live { color: var(--short); border-color: var(--short); }
.mode-badge.dry { color: var(--accent); border-color: var(--accent); }

.topbar-actions { display: flex; gap: 0.5rem; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 1rem;
  padding: 1.5rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem;
}

.card h2 { margin: 0 0 0.75rem; font-size: 0.95rem; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.03em; }

table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
th { text-align: left; color: var(--muted); font-weight: 500; padding: 0.35rem 0.5rem; border-bottom: 1px solid var(--border); }
td { padding: 0.45rem 0.5rem; border-bottom: 1px solid var(--border); }

.muted { color: var(--muted); }
.long { color: var(--long); font-weight: 600; }
.short { color: var(--short); font-weight: 600; }
.pos { color: var(--long); }
.neg { color: var(--short); }