/* Лендинг чата */
.chat-demo { position: relative; background: var(--surface); border: 1px solid var(--line); border-radius: 24px; box-shadow: var(--shadow-lg);
  padding: 26px 20px 20px; display: grid; gap: 12px; }
.chat-demo .demo-label { position: absolute; top: -11px; right: 18px; }
.d-msg { max-width: 88%; font-size: 15px; line-height: 1.5; padding: 10px 14px; }
.d-msg.user { justify-self: end; background: var(--brand); color: #fff; border-radius: 16px 4px 16px 16px; }
.d-msg.bot { background: var(--surface-2); border-radius: 4px 16px 16px 16px; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .d-msg.user { color: #04201c; } }
.d-card { display: grid; grid-template-columns: 50px 1fr; gap: 12px; align-items: center; border: 1px solid var(--line); border-radius: 14px; padding: 10px 12px; }
.d-card .score { width: 50px; height: 50px; }
.d-card .score::before { inset: 5px; }
.d-card .score b { font-size: 14px; }
.d-opts { display: flex; flex-wrap: wrap; gap: 6px; }
.d-opts span { font-size: 13px; font-weight: 600; color: var(--brand); border: 1.5px solid color-mix(in srgb, var(--brand) 45%, var(--line)); border-radius: 99px; padding: 5px 11px; }
.modes .mode { text-decoration: none; color: var(--text); transition: border-color .15s, transform .15s; }
.modes .mode:hover { border-color: var(--brand); transform: translateY(-2px); }
.modes .mode .ic { font-size: 30px; display: block; margin-bottom: 8px; }
.modes .mode p { margin: 0; }