.dashboard-period { position: relative; z-index: 1; display: grid; gap: 6px; color: #c7d8d0; font-size: 9px; font-weight: 800; letter-spacing: .08em; }
.dashboard-period select { min-width: 150px; border: 1px solid rgba(255,255,255,.25); border-radius: 9px; background: rgba(255,255,255,.1); color: white; padding: 9px 11px; }
.dashboard-period option { color: var(--ink); }
.ask-ai-button { color: var(--forest2); font-weight: 800; }
.assistant-dialog { width: min(560px,calc(100vw - 24px)); border: 0; border-radius: 18px; padding: 0; background: var(--white); }
.assistant-card { padding: 25px; }
.assistant-card h3 { margin: 0; font: 500 25px Georgia,"Songti SC",serif; }
.assistant-card > .muted { font-size: 11px; line-height: 1.6; }
.assistant-answer { min-height: 135px; margin: 20px 0 14px; border: 1px solid var(--line); border-radius: 12px; background: #f8f8f3; padding: 17px; }
.assistant-answer strong { font: 500 18px Georgia,"Songti SC",serif; }
.assistant-answer p { color: #46574f; font-size: 12px; line-height: 1.85; }
#assistant-form { display: grid; gap: 9px; }
#assistant-form textarea { width: 100%; resize: vertical; border: 1px solid var(--line); border-radius: 10px; padding: 13px; outline: none; }
@media (max-width: 720px) {
  .ask-ai-button { position: fixed; right: 14px; bottom: 16px; z-index: 20; border-color: var(--forest); background: var(--forest); color: white; box-shadow: 0 8px 28px rgba(18,32,27,.25); }
  .dashboard-metrics { grid-template-columns: 1fr 1fr; }
  .dashboard-period select { min-width: 128px; }
}