:root {
  --color-primary: #1A56DB;
  --color-primary-hover: #1644b0;
  --color-primary-light: #eef2ff;
  --color-primary-border: #c7d2fe;
  --color-text-primary: #111827;
  --color-text-secondary: #6b7280;
  --color-text-muted: #9ca3af;
  --color-border: #e5e7eb;
  --color-border-strong: #d1d5db;
  --color-surface: #f9fafb;
  --color-white: #ffffff;
  --color-success: #16a34a;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
  color: var(--color-text-primary);
  background: var(--color-white);
  -webkit-font-smoothing: antialiased;
}

button { font-family: inherit; cursor: pointer; }

/* ------------------------------------------------------------------
   QuestionCard shell — shared by location / priority / timeline / open
   ------------------------------------------------------------------ */
.qc-wrap {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
}
.qc-top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 32px 12px;
}
.qc-back {
  background: none;
  border: none;
  font-size: 14px;
  color: var(--color-text-secondary);
  cursor: pointer;
  padding: 0;
  font-family: inherit;
  text-decoration: none;
}
.qc-back:hover { color: var(--color-text-primary); }
.qc-back-spacer { display: inline-block; width: 48px; }
.qc-step-label { font-size: 14px; color: var(--color-text-secondary); }

.qc-progress {
  height: 3px;
  background: var(--color-border);
}
.qc-progress-fill {
  height: 100%;
  background: var(--color-primary);
  transition: width 0.3s ease;
}

.qc-body {
  max-width: 560px;
  width: 100%;
  margin: 0 auto;
  padding: 40px 24px 16px;
}
.qc-intro {
  background: var(--color-primary-light);
  border: 1px solid var(--color-primary-border);
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 14px;
  color: #374151;
  line-height: 1.55;
  margin-bottom: 20px;
}
.qc-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-text-primary);
  margin: 0 0 14px;
  line-height: 1.3;
}
.qc-why { margin-bottom: 20px; }
.qc-why-summary {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-primary);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 4px;
  user-select: none;
}
.qc-why-summary::-webkit-details-marker { display: none; }
.qc-why-summary::after {
  content: '▾';
  font-size: 12px;
  transition: transform 0.15s;
}
details[open] .qc-why-summary::after { transform: rotate(180deg); }
.qc-why-body {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-top: 8px;
  padding: 12px 14px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 6px;
}

.qc-options {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.qc-footer {
  max-width: 560px;
  width: 100%;
  margin: 0 auto;
  padding: 20px 24px 48px;
}
.qc-continue {
  display: block;
  width: 100%;
  padding: 14px;
  background: var(--color-primary);
  color: var(--color-white);
  border: none;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, opacity 0.15s;
}
.qc-continue:hover:not(:disabled) { background: var(--color-primary-hover); }
.qc-continue:disabled { opacity: 0.35; cursor: not-allowed; }

/* Shared option card (radio/checkbox row) */
.option {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: 8px;
  cursor: pointer;
  background: var(--color-white);
  transition: border-color 0.15s;
}
.option:hover { border-color: var(--color-primary); }
.option.selected { border-color: var(--color-primary); background: var(--color-primary-light); }
.opt-radio { margin-top: 3px; accent-color: var(--color-primary); flex-shrink: 0; }
.opt-text { display: flex; flex-direction: column; gap: 4px; }
.opt-label { font-size: 15px; font-weight: 500; color: var(--color-text-primary); }
.opt-hint { font-size: 13px; font-weight: 400; color: var(--color-text-secondary); line-height: 1.5; }