/* 會計師事務所 AI 智慧財會服務系統 - 共用樣式 */
.nav-btn {
  padding: 0.4rem 0.8rem;
  border-radius: 0.5rem;
  white-space: nowrap;
  color: #cbd5e1;
  transition: all .15s;
}
.nav-btn:hover { background: rgba(255,255,255,.1); color: #fff; }
.nav-btn.active { background: #f59e0b; color: #0f172a; font-weight: 600; }

.input {
  display: block;
  width: 100%;
  margin-top: 0.25rem;
  padding: 0.5rem 0.75rem;
  border: 1px solid #cbd5e1;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  background: #fff;
}
.input:focus { outline: 2px solid #6366f1; border-color: transparent; }

.btn-primary {
  background: #1e293b;
  color: #fff;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  transition: background .15s;
}
.btn-primary:hover { background: #334155; }
.btn-primary:disabled { opacity: .5; cursor: not-allowed; }

.btn-secondary {
  background: #e2e8f0;
  color: #334155;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  font-size: 0.875rem;
}
.btn-secondary:hover { background: #cbd5e1; }

.chip {
  background: #f1f5f9;
  border: 1px solid #e2e8f0;
  color: #475569;
  font-size: 0.75rem;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
}
.chip:hover { background: #e2e8f0; }

.chat-bot {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 0.75rem 0.75rem 0.75rem 0.2rem;
  padding: 0.5rem 0.75rem;
  max-width: 85%;
  align-self: flex-start;
}
.chat-user {
  background: #86efac;
  border-radius: 0.75rem 0.75rem 0.2rem 0.75rem;
  padding: 0.5rem 0.75rem;
  max-width: 85%;
  margin-left: auto;
}
#line-chat { display: flex; flex-direction: column; }

/* KM 文件 Markdown 渲染樣式 */
.prose h1, .prose h2, .prose h3 { font-weight: 700; color: #1e293b; margin: 0.8em 0 0.4em; }
.prose h1 { font-size: 1.15rem; } .prose h2 { font-size: 1.05rem; } .prose h3 { font-size: 0.95rem; }
.prose p, .prose li { font-size: 0.85rem; line-height: 1.7; color: #334155; margin: 0.3em 0; }
.prose ul { list-style: disc; padding-left: 1.2em; } .prose ol { list-style: decimal; padding-left: 1.2em; }
.prose table { border-collapse: collapse; width: 100%; margin: 0.6em 0; font-size: 0.8rem; }
.prose th, .prose td { border: 1px solid #e2e8f0; padding: 4px 8px; text-align: left; }
.prose th { background: #f8fafc; font-weight: 600; }
.prose blockquote { border-left: 3px solid #c7d2fe; padding-left: 0.8em; color: #64748b; margin: 0.5em 0; }
.prose code { background: #f1f5f9; padding: 1px 4px; border-radius: 4px; font-size: 0.8em; }
.prose hr { border-color: #e2e8f0; margin: 0.8em 0; }
.line-clamp-2 { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }