:root {
  --bg: #0f1115;
  --panel: #171a21;
  --panel-border: #2a2f3a;
  --text: #e8eaed;
  --muted: #9aa2b1;
  --accent: #6c8cff;
  --accent-dark: #4c69d9;
  --danger: #ff6b6b;
  --success: #57d38c;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

header {
  padding: 32px 24px 8px;
  text-align: center;
}

header h1 {
  margin: 0 0 4px;
  font-size: 28px;
}

.subtitle {
  color: var(--muted);
  margin: 0;
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 20px;
}

.mode-toggle {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.mode-btn {
  flex: 1;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--panel-border);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 14px;
}

.mode-btn.active {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

.field-label {
  display: block;
  font-size: 13px;
  color: var(--muted);
  margin: 12px 0 6px;
}

textarea,
input[type="text"] {
  width: 100%;
  background: #0d0f14;
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  color: var(--text);
  padding: 10px 12px;
  font-size: 14px;
  font-family: inherit;
  resize: vertical;
}

textarea:focus,
input[type="text"]:focus,
select:focus {
  outline: none;
  border-color: var(--accent);
}

.question-card {
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  padding: 14px;
  margin-top: 14px;
  background: #12151b;
}

.question-card-header {
  display: flex;
  gap: 8px;
  align-items: center;
}

.q-key {
  flex: 1;
}

.q-type {
  background: #0d0f14;
  color: var(--text);
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  padding: 10px 8px;
  font-size: 14px;
}

.remove-question-btn {
  background: transparent;
  border: 1px solid var(--panel-border);
  color: var(--danger);
  border-radius: 8px;
  width: 34px;
  height: 34px;
  cursor: pointer;
  font-size: 14px;
}

.q-criteria-hint {
  font-size: 12px;
  color: var(--muted);
  margin-top: 4px;
}

.actions {
  display: flex;
  gap: 10px;
  margin-top: 18px;
  flex-wrap: wrap;
}

button.primary,
button.secondary {
  border-radius: 8px;
  padding: 11px 18px;
  font-size: 14px;
  cursor: pointer;
  border: 1px solid transparent;
}

button.primary {
  background: var(--accent);
  color: white;
  margin-left: auto;
}

button.primary:hover {
  background: var(--accent-dark);
}

button.primary:disabled {
  background: #3a3f4b;
  cursor: not-allowed;
}

button.secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--panel-border);
}

button.secondary:hover {
  border-color: var(--accent);
}

.results .timing {
  display: flex;
  gap: 16px;
  margin-bottom: 16px;
}

.timing-box {
  flex: 1;
  background: #0d0f14;
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  padding: 14px;
  text-align: center;
}

.timing-label {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 6px;
}

.timing-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--success);
}

.answer-card {
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  padding: 14px;
  margin-bottom: 12px;
  background: #0d0f14;
}

.answer-card h3 {
  margin: 0 0 8px;
  font-size: 15px;
  color: var(--accent);
}

.answer-line {
  font-size: 14px;
  margin: 4px 0;
}

.prob-bar-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  margin: 4px 0;
}

.prob-bar-track {
  flex: 1;
  height: 8px;
  background: #1d212a;
  border-radius: 4px;
  overflow: hidden;
}

.prob-bar-fill {
  height: 100%;
  background: var(--accent);
}

.raw-json {
  margin-top: 10px;
}

.raw-json summary {
  cursor: pointer;
  color: var(--muted);
  font-size: 13px;
}

.raw-json pre {
  background: #0d0f14;
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  padding: 12px;
  overflow-x: auto;
  font-size: 12px;
  margin-top: 8px;
}

.error {
  background: #2a1416;
  border-color: var(--danger);
  color: var(--danger);
}