:root {
  --bg: #f6f7f9;
  --card-bg: #ffffff;
  --border: #e2e5ea;
  --text: #1c1f26;
  --text-muted: #6b7280;
  --accent: #2563eb;
  --accent-bg: #eef4ff;
  --approved: #15803d;
  --approved-bg: #ecfdf3;
  --approved-border: #86efac;
  --danger: #b91c1c;
  --radius: 10px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111318;
    --card-bg: #1a1d24;
    --border: #2b2f38;
    --text: #e7e9ee;
    --text-muted: #9aa1ad;
    --accent: #5b8def;
    --accent-bg: #172238;
    --approved: #4ade80;
    --approved-bg: #10231a;
    --approved-border: #1f5133;
  }
}

* { box-sizing: border-box; }

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

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 32px;
  border-bottom: 1px solid var(--border);
  background: var(--card-bg);
  position: sticky;
  top: 0;
  z-index: 10;
}

.topbar h1 { margin: 0; font-size: 1.25rem; }
.subtitle { margin: 4px 0 0; color: var(--text-muted); font-size: 0.875rem; }

.user-badge { display: flex; align-items: center; gap: 12px; font-size: 0.875rem; color: var(--text-muted); }

.hidden { display: none !important; }

.sign-in-gate {
  display: flex;
  justify-content: center;
  padding: 60px 20px;
}

#app {
  max-width: 880px;
  margin: 0 auto;
  padding: 24px 20px 80px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.loading { text-align: center; color: var(--text-muted); padding: 60px 0; }

.situation-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

.situation-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 14px;
}

.situation-title { margin: 0 0 4px; font-size: 1.05rem; }
.situation-description { margin: 0; color: var(--text-muted); font-size: 0.875rem; }

.situation-meta { display: flex; flex-direction: column; gap: 6px; align-items: flex-end; flex-shrink: 0; }

.badge {
  font-size: 0.75rem;
  padding: 3px 9px;
  border-radius: 999px;
  white-space: nowrap;
  background: var(--bg);
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.badge.status-badge.has-approved { background: var(--approved-bg); color: var(--approved); border-color: var(--approved-border); }
.badge.status-badge.needs-review { background: #fff7ed; color: #c2410c; border-color: #fed7aa; }

@media (prefers-color-scheme: dark) {
  .badge.status-badge.needs-review { background: #2a1a0d; color: #fb923c; border-color: #4a2c12; }
}

.answers-list { display: flex; flex-direction: column; gap: 10px; }

.answer-card {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  text-align: left;
  width: 100%;
  padding: 12px 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  cursor: pointer;
  font: inherit;
  color: inherit;
  transition: border-color 0.12s, background 0.12s;
}

.answer-card:hover { border-color: var(--accent); }
.answer-card:disabled { cursor: default; opacity: 0.6; }

.answer-card.approved {
  background: var(--approved-bg);
  border-color: var(--approved-border);
}

.answer-select-indicator {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid var(--border);
  flex-shrink: 0;
  margin-top: 2px;
  position: relative;
}

.answer-card.approved .answer-select-indicator {
  border-color: var(--approved);
  background: var(--approved);
}

.answer-card.approved .answer-select-indicator::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 4px;
  height: 8px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.answer-body { flex: 1; min-width: 0; }
.answer-text { margin: 0 0 8px; font-size: 0.9rem; line-height: 1.45; white-space: pre-wrap; }

.answer-tags { display: flex; gap: 8px; flex-wrap: wrap; }

.tag {
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  color: var(--text-muted);
}

.tag.source-tag.ai_generated { color: #6d28d9; }
.tag.source-tag.historical { color: #0369a1; }
.tag.source-tag.sales_edited { color: var(--approved); }

.custom-answer { margin-top: 14px; padding-top: 14px; border-top: 1px dashed var(--border); }

.link-button {
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  font-size: 0.85rem;
  padding: 0;
}

.custom-answer-form { margin-top: 10px; display: flex; flex-direction: column; gap: 8px; }
.custom-answer-form.hidden { display: none; }

.custom-answer-text {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  font: inherit;
  font-size: 0.9rem;
  background: var(--bg);
  color: var(--text);
  resize: vertical;
}

.custom-answer-actions { display: flex; justify-content: flex-end; gap: 8px; }

.btn {
  border: none;
  border-radius: 6px;
  padding: 8px 14px;
  font-size: 0.85rem;
  cursor: pointer;
}

.btn-primary { background: var(--accent); color: white; }
.btn-primary:disabled { opacity: 0.5; cursor: default; }
.btn-secondary { background: var(--bg); color: var(--text); border: 1px solid var(--border); }

.error-banner {
  background: #fef2f2;
  color: var(--danger);
  border: 1px solid #fecaca;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 0.875rem;
}

.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--text);
  color: var(--bg);
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 0.85rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}

.toast.visible { opacity: 1; }