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summary{padding:1rem;cursor:pointer;background:#ffffff0d;font-weight:500;color:#a0a0b0;-webkit-user-select:none;user-select:none}.reasoning-container summary:hover{color:#fff;background:#ffffff1a}.reasoning-content{padding:1.5rem;font-size:.9rem;line-height:1.6;color:#d0d0e0;background:#0003;white-space:pre-wrap}.response-text-container{margin-top:2rem;padding:1.5rem;background:#ffffff0d;border-radius:8px;line-height:1.6}.api-key-notice{position:fixed;bottom:0;left:0;right:0;padding:16px 20px;background:#18181bf2;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-top:1px solid rgba(255,255,255,.06);text-align:center}.api-key-notice p{font-size:.875rem;color:#71717a}.api-key-notice strong{color:#a78bfa}@media(max-width:640px){.header{padding:12px 16px}.main-content{padding:20px 16px;gap:20px}.prompt-textarea{min-height:140px;font-size:1rem}.reference-section{padding:14px}.reference-thumb,.add-reference{width:60px;height:60px}.generate-btn{padding:14px 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