:root {
  --bg: #0d1117;
  --panel: #161b22;
  --border: #30363d;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #58a6ff;
  --green: #3fb950;
  --red: #f85149;
  --yellow: #d29922;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 14px;
}

header {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

h1 { margin: 0; font-size: 18px; }

main { padding: 24px; max-width: 1200px; margin: 0 auto; }

button {
  padding: 9px 16px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
}
button:hover { filter: brightness(1.1); }
button.secondary { background: var(--bg); border: 1px solid var(--border); color: var(--text); font-weight: 500; }
button.danger { background: var(--red); }

input, select {
  padding: 9px 11px;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
}
input:focus, select:focus { outline: 1px solid var(--accent); }

.error { color: var(--red); margin-top: 10px; white-space: pre-wrap; }
.ok { color: var(--green); margin-top: 10px; white-space: pre-wrap; }
.hidden { display: none !important; }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}

.card, .panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
}

.card-label, .ret-label { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; }
.card-value { font-size: 24px; font-weight: 700; margin: 6px 0 4px; font-family: ui-monospace, monospace; }
.card-sub, .ret-sub { color: var(--muted); font-size: 12px; }

.panel { margin-bottom: 20px; }
.panel h2 { margin: 0 0 14px; font-size: 15px; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td {
  padding: 9px 11px;
  text-align: right;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}
th { color: var(--muted); font-weight: 600; font-size: 11px; text-transform: uppercase; }
td:first-child, th:first-child { text-align: left; }
tr:hover td { background: rgba(255,255,255,0.03); }

.pos { color: var(--green); }
.neg { color: var(--red); }
.warn { color: var(--yellow); }
.muted { color: var(--muted); }

.flex { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.col { display: flex; flex-direction: column; gap: 10px; }
.row-gap { gap: 10px; }
.mt { margin-top: 12px; }
.mb { margin-bottom: 12px; }

.badge {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}
.badge.admin { background: rgba(216,153,34,0.15); color: var(--yellow); }
.badge.trader { background: rgba(88,166,255,0.15); color: var(--accent); }
.badge.investor { background: rgba(63,185,80,0.15); color: var(--green); }
.badge.pending { background: rgba(216,153,34,0.15); color: var(--yellow); }
.badge.paid { background: rgba(63,185,80,0.15); color: var(--green); }
.badge.rejected, .badge.cancelled { background: rgba(248,81,73,0.15); color: var(--red); }

nav a {
  color: var(--accent);
  text-decoration: none;
  margin-left: 14px;
  font-weight: 600;
}
nav a:hover { text-decoration: underline; }

.auth-wrap {
  max-width: 380px;
  margin: 80px auto;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
}
.auth-wrap h1 { margin-bottom: 18px; }

.btn-row { margin-top: 16px; }

.verify-ok { border-color: var(--green); }
.verify-fail { border-color: var(--red); }

@media (max-width: 700px) {
  main { padding: 14px; }
  .card-value { font-size: 19px; }
}