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.2s}.chat-input::placeholder{color:#86efac59}.chat-input:focus{border-color:var(--border-green-focus)}.chat-input.myth-mode{border-color:#fbbf244d;color:var(--amber-100)}.chat-input.myth-mode:focus{border-color:#fbbf2480}.chat-input.myth-mode::placeholder{color:#fde68a59}.send-btn{border:none;border-radius:12px;padding:0 22px;cursor:pointer;font-family:DM Sans,sans-serif;font-weight:700;font-size:18px;color:#fff;background:linear-gradient(135deg,var(--green-500),#059669);box-shadow:0 2px 10px #16a34a59;transition:opacity .2s;white-space:nowrap}.send-btn.myth-mode{background:linear-gradient(135deg,#d97706,#b45309);box-shadow:0 2px 10px #d977064d;font-size:14px;padding:0 18px}.send-btn:disabled{opacity:.4;cursor:not-allowed}.input-footer{text-align:center;margin-top:10px;font-size:11px;letter-spacing:1px;color:#86efac59}@media (max-width: 520px){header{padding:14px 16px;flex-wrap:wrap;gap:10px}.logo-title{font-size:18px}.mode-btn{padding:6px 10px;font-size:12px}.topic-grid{grid-template-columns:1fr 1fr}.bubble{max-width:90%}}