:root {
  color-scheme: dark;
  --bg: #0f172a;
  --panel: #16213a;
  --panel-2: #1c2b4a;
  --border: #2a3b5e;
  --text: #e8edf7;
  --text-dim: #93a2c2;
  --accent: #22c55e;
  --accent-2: #f0b429;
  --primary: #3b82f6;
  --danger: #ef4444;
  --radius: 14px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  min-height: 100vh;
}

#app {
  max-width: 640px;
  margin: 0 auto;
  padding: 16px 16px 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.topbar h1 {
  margin: 0 0 4px;
  font-size: 1.5rem;
}

.topbar .subtitle {
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--text-dim);
}

.progress-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.progress-stat {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 6px 12px;
  display: flex;
  flex-direction: column;
  min-width: 96px;
}

.progress-stat .label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-dim);
}

.progress-stat .value {
  font-size: 1.05rem;
  font-weight: 600;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.panel.hidden { display: none; }

.btn {
  border: none;
  border-radius: 10px;
  padding: 12px 18px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.15s ease, transform 0.05s ease;
}

.btn:active { transform: scale(0.98); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn.primary { background: var(--primary); color: white; }
.btn.accent { background: var(--accent); color: #052e16; }
.btn.ghost { background: transparent; color: var(--danger); border: 1px solid var(--danger); }

.transcript {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-height: 48vh;
  overflow-y: auto;
  padding-right: 4px;
}

.qa-pair {
  background: var(--panel-2);
  border-radius: 10px;
  padding: 10px 12px;
}

.qa-pair .q {
  font-weight: 600;
  margin-bottom: 4px;
}

.qa-pair .a {
  color: var(--accent-2);
}

.qa-pair.pending .a { color: var(--text-dim); }

.input-row {
  display: flex;
  gap: 8px;
}

.input-row input {
  flex: 1;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  color: var(--text);
  font-size: 1rem;
}

.input-row input:focus {
  outline: 2px solid var(--primary);
}

#result-content .title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 6px;
}

#result-content .name {
  color: var(--accent-2);
  font-weight: 700;
}

#result-content .fact-list {
  margin: 8px 0 0;
  padding-left: 20px;
  color: var(--text-dim);
}

.error {
  background: #3b1220;
  border: 1px solid var(--danger);
  color: #fecaca;
  padding: 10px 14px;
  border-radius: 10px;
}

.error.hidden { display: none; }

@media (min-width: 640px) {
  #app { padding-top: 32px; }
}