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table{border-collapse:collapse;width:100%;margin-bottom:.75em}.prose th,.prose td{border:1px solid var(--border);text-align:left;padding:.5em .75em}.prose th{background:#ffffff0a;font-weight:600}.prose strong{font-weight:600}@keyframes fadeIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}@keyframes blink{0%,to{opacity:1}50%{opacity:0}}.sidebar-overlay{z-index:90;background:#00000080;animation:.15s ease-out fadeIn;position:fixed;inset:0}.sidebar{border-right:1px solid var(--border);z-index:100;background:#0a0a0a;flex-direction:column;width:280px;transition:transform .25s cubic-bezier(.4,0,.2,1);display:flex;position:fixed;top:0;bottom:0;left:0;transform:translate(-100%)}.sidebar-open{transform:translate(0)}.sidebar-header{flex-shrink:0;padding:16px}.sidebar-new-btn{border:1px solid var(--border);width:100%;color:var(--secondary);font-family:var(--font);cursor:pointer;background:0 0;border-radius:12px;align-items:center;gap:8px;padding:10px 14px;font-size:13px;transition:all .15s;display:flex}.sidebar-new-btn:hover{border-color:var(--secondary);color:var(--fg)}.sidebar-threads{flex:1;padding:0 8px 16px;overflow-y:auto}.sidebar-threads::-webkit-scrollbar{width:4px}.sidebar-threads::-webkit-scrollbar-thumb{background:#ffffff14;border-radius:2px}.sidebar-empty{text-align:center;color:var(--tertiary);padding:24px 16px;font-size:13px}.sidebar-thread{cursor:pointer;border-radius:10px;align-items:center;gap:8px;padding:10px 12px;transition:background .12s;display:flex}.sidebar-thread:hover{background:#ffffff0a}.sidebar-thread-active{background:#ffffff0f}.sidebar-thread-title{color:var(--fg);white-space:nowrap;text-overflow:ellipsis;flex:1;font-size:13px;overflow:hidden}.sidebar-thread-delete{width:20px;height:20px;color:var(--tertiary);cursor:pointer;opacity:0;background:0 0;border:none;border-radius:6px;flex-shrink:0;justify-content:center;align-items:center;transition:all .12s;display:flex}.sidebar-thread:hover .sidebar-thread-delete{opacity:1}.sidebar-thread-delete:hover{color:var(--fg);background:#ffffff14}.header-menu-btn{width:28px;height:28px;color:var(--secondary);cursor:pointer;background:0 0;border:none;border-radius:8px;justify-content:center;align-items:center;transition:all .12s;display:flex;position:absolute;left:100px}.header-menu-btn:hover{color:var(--fg);background:#ffffff0f}.header{position:relative}.header-auth-btn{border:1px solid var(--border);background:var(--surface);width:28px;height:28px;color:var(--fg);font-family:var(--font);cursor:pointer;text-transform:lowercase;border-radius:50%;justify-content:center;align-items:center;font-size:12px;font-weight:600;transition:all .12s;display:flex;position:absolute;right:100px}.header-auth-btn:hover{border-color:var(--secondary)}.header-signin-btn{width:auto;color:var(--secondary);background:0 0;border-radius:14px;padding:0 14px;font-size:12px;font-weight:500}.header-signin-btn:hover{color:var(--fg)}@media (max-width:640px){.messages{padding:16px}.input-area{padding:10px 16px;padding-bottom:max(10px,env(safe-area-inset-bottom))}.message-user-bubble{max-width:85%}.message-assistant-content{max-width:90%}}