:root {
  --bg: #0f1117;
  --panel: #1a1d27;
  --border: #2a2f3d;
  --text: #e8ecf4;
  --muted: #8b95a8;
  --accent: #6c5ce7;
  --accent-hover: #7f71f0;
  --green: #00c896;
  --red: #ff6b6b;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(135deg, #1a1d27 0%, #12151e 100%);
}

.header h1 { font-size: 1.5rem; font-weight: 700; }
.subtitle { color: var(--muted); font-size: 0.9rem; margin-top: 0.25rem; }

.badge {
  background: var(--accent);
  color: white;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
}

.badge.running { background: #f39c12; }
.badge.error { background: var(--red); }
.badge.done { background: var(--green); }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
}

.panel h2 {
  font-size: 1rem;
  margin-bottom: 1rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 1rem;
}

label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.85rem;
  color: var(--muted);
}

input {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.6rem 0.75rem;
  border-radius: 8px;
  font-size: 1rem;
}

input:focus {
  outline: none;
  border-color: var(--accent);
}

button {
  background: var(--accent);
  color: white;
  border: none;
  padding: 0.7rem 1.5rem;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
}

button:hover { background: var(--accent-hover); }
button:disabled { opacity: 0.6; cursor: not-allowed; }

.btn-row {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.btn-row button[type="button"] {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}

.btn-row button[type="button"]:hover {
  border-color: var(--accent);
  color: var(--accent);
}

#variants-table .best-row {
  background: rgba(108, 92, 231, 0.08);
}

#variants-table .recommended-row {
  background: rgba(0, 200, 150, 0.1);
}

.rec-badge {
  display: inline-block;
  background: var(--green);
  color: #0f1117;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  margin-bottom: 0.25rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.pdf-claim .claim-text {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--green);
  margin: 0.5rem 0;
}

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

.hint {
  margin-top: 0.75rem;
  font-size: 0.8rem;
  color: var(--muted);
}

code {
  background: var(--bg);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-size: 0.85em;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.75rem;
}

.metric-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.metric-card .label {
  font-size: 0.75rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.metric-card .value {
  font-size: 1.35rem;
  font-weight: 700;
}

.positive { color: var(--green); }
.negative { color: var(--red); }

.compare-table, #trades-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.compare-table th, .compare-table td,
#trades-table th, #trades-table td {
  padding: 0.6rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.compare-table th, #trades-table th {
  color: var(--muted);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
}

.table-wrap { overflow-x: auto; }

.meta { margin-top: 0.75rem; color: var(--muted); font-size: 0.85rem; }

@media (max-width: 600px) {
  .header { flex-direction: column; align-items: flex-start; gap: 0.75rem; }
}