/* EquiSense — Research Page Styles (page-specific; shared styles in common.css) */
/* Theme variables and layout primitives (card-title, etc.) provided by common.css */

/* ─── Research Page Layout (GPT-style page scroll, sticky input) ──────────── */
.research-page {
  padding-bottom: 0;
  display: flex;
  flex-direction: column;
}
.research-container {
  max-width: 920px;
  width: 100%;
  margin: 0 auto;
  padding: 0 32px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.research-msgs {
  padding: 24px 0 8px;
  flex: 1;
}
.research-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 32px;
}
.research-input-sticky {
  position: sticky;
  bottom: 0;
  background: var(--bg);
  padding: 12px 0 8px;
  z-index: 5;
}
.research-input-sticky::before {
  content: '';
  position: absolute;
  top: -24px; left: 0; right: 0; height: 24px;
  background: linear-gradient(transparent, var(--bg));
  pointer-events: none;
}
.research-disclaimer {
  text-align: center;
  font-size: 10px;
  color: var(--text-tertiary);
  padding: 4px 0 2px;
  margin: 0;
  letter-spacing: 0.01em;
}

/* Research AI content overrides (page-specific) */
.research-ai-content {
  font-size: 14px; color: var(--text-secondary); line-height: 1.75;
}
.research-ai-content p { margin: 8px 0; }
.research-ai-content h3 { font-size: 14px; font-weight: 700; color: var(--text-primary); margin: 18px 0 6px; }
.research-ai-content h4 { font-size: 13px; font-weight: 700; color: var(--text-primary); margin: 14px 0 4px; }
.research-ai-content ul { margin: 6px 0; padding-left: 20px; }
.research-ai-content li { margin-bottom: 4px; font-size: 13.5px; }
.research-ai-content strong { color: var(--text-primary); }
.research-ai-content table { font-size: 12px; }
.research-ai-content hr { margin: 16px 0; border: none; border-top: 1px solid var(--border); }

/* Research input area */
.research-input-area {
  display: flex; gap: 10px; align-items: flex-end;
  padding: 12px 0 16px;
  border-top: 1px solid var(--border);
}
.research-input-area textarea {
  flex: 1; padding: 12px 16px; border-radius: 14px;
  border: 1px solid var(--border); background: var(--card-bg);
  color: var(--text-primary); font-size: 14px; line-height: 1.5;
  outline: none; font-family: inherit; resize: none;
  max-height: 120px;
}
.research-input-area textarea:focus {
  border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-tint-bg);
}
.research-send-btn {
  width: 42px; height: 42px; border-radius: 50%; border: none;
  background: var(--accent); color: var(--on-accent); font-size: 18px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; transition: transform 0.15s ease, opacity 0.15s ease;
}
.research-send-btn:not(:disabled):hover { transform: scale(1.05); }
.research-send-btn:not(:disabled):active { transform: scale(0.95); }
.research-send-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* Suggestion cards */
.research-sug-card {
  padding: 14px 16px; cursor: pointer; display: flex; align-items: flex-start; gap: 10px;
  animation: fadeIn 0.4s ease both;
}
.research-sug-card:nth-child(1) { animation-delay: 0s; }
.research-sug-card:nth-child(2) { animation-delay: 0.05s; }
.research-sug-card:nth-child(3) { animation-delay: 0.1s; }
.research-sug-card:nth-child(4) { animation-delay: 0.15s; }
.research-sug-card:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ─── Responsive: Tablet (≤768px) ──────────────────────────────────────── */
@media (max-width: 768px) {
  .research-container { padding: 0 16px; }
}

/* ─── Responsive: Mobile (≤480px) ──────────────────────────────────────── */
@media (max-width: 480px) {
  .research-container { padding: 0 12px; }
  .research-input-area { gap: 8px; padding: 8px 0 10px; }
  .research-input-area textarea { padding: 10px 12px; font-size: 13px; }
  .research-empty { }
  .research-grid { grid-template-columns: 1fr !important; max-width: 100% !important; }
  .research-send-btn { width: 44px; height: 44px; }
  .research-followup-chip { font-size: 11px; padding: 7px 12px; }
}