:root {
  --bg: #0f1420;
  --panel: #171d2b;
  --border: #2a3244;
  --text: #e6e9f0;
  --muted: #8892a6;
  --accent: #5b8cff;
  --good: #3ecf8e;
  --bad: #ef5b5b;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
}

.page {
  max-width: 880px;
  margin: 0 auto;
  padding: 32px 20px 64px;
}

header.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}

header.top h1 {
  font-size: 1.4rem;
  margin: 0;
}

a.button, button, input[type="submit"] {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  padding: 10px 16px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}

a.button.secondary, button.secondary {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}

button:disabled { opacity: 0.6; cursor: not-allowed; }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 20px;
}

.card h2 {
  margin-top: 0;
  font-size: 1.05rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.balance-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}

.balance-amount {
  font-size: 1.8rem;
  font-weight: 700;
}

.withdraw-form {
  display: flex;
  gap: 8px;
  margin-top: 12px;
  flex-wrap: wrap;
}

.withdraw-form input, .withdraw-form select {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: var(--radius);
  padding: 10px 12px;
  font-size: 0.95rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 8px;
}

th, td {
  text-align: left;
  padding: 10px 8px;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}

th { color: var(--muted); font-weight: 600; }

.status-msg {
  margin-top: 12px;
  padding: 10px 12px;
  border-radius: var(--radius);
  font-size: 0.9rem;
}

.status-msg.ok { background: rgba(62, 207, 142, 0.12); color: var(--good); }
.status-msg.err { background: rgba(239, 91, 91, 0.12); color: var(--bad); }

.muted { color: var(--muted); font-size: 0.85rem; }

.center-form {
  max-width: 380px;
  margin: 80px auto;
  text-align: center;
}

.center-form input {
  width: 100%;
  margin: 16px 0;
  padding: 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: var(--radius);
  font-size: 1rem;
}

.landing-hero {
  text-align: center;
  padding: 80px 20px;
}

.landing-hero h1 { font-size: 2.2rem; }

.landing-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-top: 28px;
}