.app-shell{display:grid;grid-template-columns:280px minmax(0,1fr);min-height:100vh}
.chat-main{min-width:0;min-height:100vh;padding:0 42px 38px}
.chat-main header{height:86px}
.header-start{display:flex;align-items:center;gap:12px}.mobile-brand,.menu-button{display:none}
.sidebar{position:sticky;top:0;z-index:30;display:flex;flex-direction:column;height:100vh;padding:24px 16px 18px;border-right:1px solid var(--line);background:#f1eade;color:var(--ink)}
.sidebar-head{display:flex;align-items:center;justify-content:space-between;padding:0 8px 22px}.sidebar-head .brand{font-size:25px}.icon-button{display:grid;place-items:center;width:38px;height:38px;padding:0;border:0;border-radius:10px;background:transparent;color:var(--ink);font-size:21px;cursor:pointer}.icon-button:hover{background:#e5dbce}.sidebar-head .icon-button{display:none}
.new-chat{display:flex;align-items:center;gap:10px;width:100%;padding:12px 14px;border:1px solid #cbbdad;border-radius:12px;background:#fffaf3;color:var(--ink);font-weight:700;cursor:pointer;box-shadow:0 5px 16px #392d2309}.new-chat:hover{border-color:var(--terra);background:#fffdf9}.new-chat span{color:var(--terra);font-size:20px}
.sidebar-label{margin:25px 10px 10px;color:#9a9084;font-size:11px;font-weight:800;letter-spacing:.14em;text-transform:uppercase}
.conversation-list{flex:1;min-height:0;overflow-y:auto;padding-right:3px}.conversation-row{display:flex;align-items:center;margin:3px 0;border-radius:10px}.conversation-row:hover{background:#e8dfd3}.conversation-row.active{background:#dfd3c4}.conversation-open{min-width:0;flex:1;display:flex;flex-direction:column;gap:3px;padding:10px 11px;border:0;background:transparent;color:var(--ink);text-align:left;cursor:pointer}.conversation-open b{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px}.conversation-open small{color:var(--muted);font-size:11px}.conversation-delete{visibility:hidden;width:30px;height:30px;margin-right:5px;border:0;border-radius:8px;background:transparent;color:var(--muted);font-size:18px;cursor:pointer}.conversation-row:hover .conversation-delete{visibility:visible}.conversation-delete:hover{background:#c9634315;color:var(--terra)}.empty-history{padding:20px 10px;color:var(--muted);font-size:13px}
.sidebar-foot{display:flex;align-items:center;gap:10px;padding:14px 10px 2px;border-top:1px solid #d9cebf}.sidebar-foot>div{display:flex;flex-direction:column}.sidebar-foot b{font-size:13px}.sidebar-foot small{color:var(--muted);font-size:11px}.model-dot,.fixed-model i{width:9px;height:9px;border-radius:50%;background:var(--terra);box-shadow:0 0 0 4px #c9634317}
.chat-main .hero{display:flex;min-height:calc(100vh - 105px);max-width:1050px;flex-direction:column;padding-top:38px}.chat-main .messages{flex:1;max-height:none;min-height:180px;overflow-y:auto;padding:10px 5px 24px}.chat-main .composer{margin-top:auto}.fixed-model{display:flex;align-items:center;gap:10px;padding:10px 13px;border:1px solid var(--line);border-radius:11px;background:#f5eee5;color:var(--ink);font-size:14px;font-weight:700}.fixed-model i{display:block;width:8px;height:8px}
.actions #send{margin-left:auto}
.message p strong{font-weight:800;color:inherit}.message p code{padding:2px 6px;border-radius:5px;background:#eee5da;color:#8f3f28;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.92em}.message.user p code{background:#ffffff24;color:#fff}
.thinking-message{justify-content:flex-start}.roy-thinking{display:flex;align-items:center;gap:3px;padding:13px 17px;border:1px solid var(--line);border-radius:5px 16px 16px;background:#fffaf3}.roy-thinking span{display:inline-block;color:var(--terra);font:800 19px Georgia,serif;animation:royPulse 1.2s ease-in-out infinite}.roy-thinking span:nth-child(2){animation-delay:.14s}.roy-thinking span:nth-child(3){animation-delay:.28s}.roy-thinking small{margin-left:9px;color:var(--muted);font-size:12px;animation:royFade 1.2s ease-in-out infinite}.sidebar-backdrop{display:none}
@keyframes royPulse{0%,70%,100%{transform:translateY(0) scale(1);opacity:.45}35%{transform:translateY(-5px) scale(1.08);opacity:1}}@keyframes royFade{0%,100%{opacity:.4}50%{opacity:1}}
@media(max-width:860px){.app-shell{display:block}.chat-main{padding:0 18px 26px}.chat-main header{height:76px}.mobile-brand,.menu-button{display:grid}.mobile-brand{display:block;font-size:24px}.sidebar{position:fixed;left:0;top:0;width:min(310px,86vw);transform:translateX(-105%);transition:transform .24s ease;box-shadow:18px 0 45px #211b1530}.sidebar.open{transform:translateX(0)}.sidebar-head .icon-button{display:grid}.sidebar-backdrop{position:fixed;inset:0;z-index:25;display:block;background:#211b1545;backdrop-filter:blur(2px)}.chat-main .hero{min-height:calc(100vh - 95px);padding-top:26px}.chat-main .messages{min-height:140px}.conversation-delete{visibility:visible}.account{gap:10px}#quota{font-size:12px}.avatar{width:38px;height:38px}.fixed-model{padding:9px 11px}.key-hint{display:none}.roy-thinking{padding:11px 14px}}
@media(prefers-reduced-motion:reduce){.roy-thinking span,.roy-thinking small{animation:none}}

.factor-lab-link{margin-top:9px;text-decoration:none}.factor-lab-link span{color:var(--terra);font-size:18px}