:root {
  --bg: #0f1420;
  --panel: #171d2e;
  --panel-alt: #1e2536;
  --border: #2b3350;
  --text: #e7ebf5;
  --text-dim: #a3aecb;
  --accent: #4fd1c5;
  --accent-2: #8b7cf6;
  --warn-bg: #3a2a12;
  --warn-border: #8a5a1f;
  --warn-text: #f0c98a;
  --good: #4fd18f;
  --radius: 10px;
}

* { 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: 1.55;
}

.site-header {
  padding: 24px clamp(16px, 5vw, 48px) 8px;
  display: flex;
}

.brand { display: flex; align-items: center; gap: 14px; }
.brand-icon { font-size: 2.2rem; }
.site-header h1 { margin: 0; font-size: 1.6rem; }
.tagline { margin: 2px 0 0; color: var(--text-dim); font-size: 0.95rem; }

.disclaimer-banner {
  margin: 8px clamp(16px, 5vw, 48px) 16px;
  padding: 12px 16px;
  background: var(--warn-bg);
  border: 1px solid var(--warn-border);
  color: var(--warn-text);
  border-radius: var(--radius);
  font-size: 0.9rem;
}

.tabs {
  display: flex;
  gap: 4px;
  padding: 0 clamp(16px, 5vw, 48px);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.tab-btn {
  background: none;
  border: none;
  color: var(--text-dim);
  padding: 12px 16px;
  font-size: 0.95rem;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  border-radius: 8px 8px 0 0;
}

.tab-btn:hover { color: var(--text); background: var(--panel-alt); }

.tab-btn.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
  background: var(--panel-alt);
}

main {
  padding: 24px clamp(16px, 5vw, 48px) 48px;
  max-width: 900px;
  margin: 0 auto;
}

.tab-panel { display: none; }
.tab-panel.active { display: block; animation: fadeIn 0.15s ease-in; }

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

h2 { margin-top: 0; }

.badge {
  font-size: 0.65rem;
  vertical-align: middle;
  background: var(--warn-bg);
  color: var(--warn-text);
  border: 1px solid var(--warn-border);
  padding: 3px 8px;
  border-radius: 999px;
  margin-left: 8px;
}

.section-intro { color: var(--text-dim); }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-bottom: 16px;
}

.card h3 { margin-top: 0; color: var(--accent); }

.note {
  font-size: 0.85rem;
  color: var(--text-dim);
  border-left: 3px solid var(--accent-2);
  padding-left: 10px;
  margin-top: 12px;
}

.round-list li, .doc-checklist li { margin-bottom: 8px; }

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-bottom: 20px;
}

.form-grid label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--text-dim);
}

input, select {
  background: var(--panel-alt);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 9px 10px;
  border-radius: 8px;
  font-size: 0.95rem;
}

input:focus, select:focus { outline: 2px solid var(--accent); }

.primary-btn {
  align-self: end;
  background: var(--accent);
  color: #04211d;
  border: none;
  font-weight: 600;
  padding: 10px 18px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.95rem;
}

.primary-btn:hover { filter: brightness(1.08); }

#predictor-results, #calc-results { margin-top: 8px; }

.result-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.result-table th, .result-table td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 0.88rem;
}

.result-table th {
  background: var(--panel-alt);
  color: var(--text-dim);
  font-weight: 600;
}

.result-table tr:last-child td { border-bottom: none; }

.pill {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 0.75rem;
  background: var(--panel-alt);
  border: 1px solid var(--border);
}

.empty-state {
  color: var(--text-dim);
  padding: 20px;
  text-align: center;
  background: var(--panel);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
}

.calc-summary {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
}

.calc-summary h4 { margin-top: 0; color: var(--good); }
.calc-summary ul { margin: 8px 0; padding-left: 20px; }
.calc-summary .warn-line { color: var(--warn-text); }

.chat-window {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  height: 360px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 12px;
}

.chat-msg {
  max-width: 80%;
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 0.9rem;
  white-space: pre-wrap;
}

.chat-msg.bot {
  background: var(--panel-alt);
  align-self: flex-start;
  border: 1px solid var(--border);
}

.chat-msg.user {
  background: var(--accent);
  color: #04211d;
  align-self: flex-end;
  font-weight: 500;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.chip {
  background: var(--panel-alt);
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.8rem;
  cursor: pointer;
}

.chip:hover { color: var(--text); border-color: var(--accent); }

.chat-input-row {
  display: flex;
  gap: 10px;
}

.chat-input-row input { flex: 1; }

.site-footer {
  text-align: center;
  color: var(--text-dim);
  font-size: 0.8rem;
  padding: 20px;
  border-top: 1px solid var(--border);
}

/* ---------- Predictor / Explorer (real cutoff tables) ---------- */
main.wide { max-width: 1240px; }
.badge.real { background: #123a2c; color: var(--good); border-color: #1f7a55; }
.disclaimer-banner a, .section-intro a, .result-table a { color: var(--accent); }
.dim { color: var(--text-dim); font-size: 0.8rem; font-weight: normal; }
.table-scroll { overflow-x: auto; border-radius: var(--radius); }
.result-table th.num, .result-table td.num { text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }
.result-table td.ok { color: var(--good); font-weight: 600; }
.result-table td.miss { color: var(--text-dim); }
.result-summary { color: var(--text-dim); }
.result-summary .chip { margin-left: 8px; }
.more-btn { margin: 12px auto 0; display: block; }