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button,.composer-tools button{min-height:30px;border:1px solid var(--line);border-radius:7px;padding:0 9px;cursor:pointer;color:var(--muted);background:var(--surface-strong);font-size:12px;font-weight:650}.composer-draft button:hover,.composer-tools button:not(:disabled):hover{color:var(--text);background:var(--primary-soft)}.composer-tools{display:flex;align-items:center;min-height:38px}.composer textarea{min-height:38px;max-height:200px;border:0;resize:none;padding:9px 8px;background:transparent;font-size:15px;line-height:1.45}.composer textarea:focus{box-shadow:none}.send-button{min-width:70px;min-height:38px;border-radius:8px;cursor:pointer;color:#fff;background:var(--primary);font-weight:700}.send-button:disabled{opacity:.48}.slash-menu{position:absolute;left:var(--composer-menu-left);right:auto;bottom:calc(100% + 8px);z-index:6;display:grid;gap:4px;width:min(330px,calc(100vw - 48px));border:1px solid var(--line);border-radius:8px;padding:6px;background:var(--surface-strong);box-shadow:0 12px 28px #0000001a}.slash-menu button{display:grid;gap:2px;border-radius:6px;padding:8px 10px;cursor:pointer;text-align:left;background:transparent}.slash-menu button:hover{background:var(--primary-soft)}.slash-menu strong{color:var(--text);font-size:13px}.slash-menu span{color:var(--muted);font-size:12px}.slash-menu-empty{margin:0;padding:8px 10px;color:var(--muted);font-size:12px;line-height:1.5}@keyframes typing{0%,to{transform:translateY(0);opacity:.45}50%{transform:translateY(-4px);opacity:1}}@keyframes reasoningPulse{0%,to{transform:scale(.88);opacity:.5}50%{transform:scale(1);opacity:1}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:1ms!important;animation-iteration-count:1!important;transition-duration:1ms!important}}@media(min-width:1280px)and (max-width:1919px){.chat-shell.workspace-open{--workspace-width: 320px}}@media(max-width:1279px){html,body{overflow:hidden}.chat-shell,.chat-shell.workspace-open,.chat-shell.workspace-compact{grid-template-columns:120px minmax(0,1fr)}.workspace-panel.compact{position:fixed;top:12px;right:12px;z-index:20;width:44px;min-height:120px;border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow)}.workspace-panel.expanded{position:fixed;top:10px;right:10px;bottom:10px;z-index:30;width:min(420px,calc(100vw - 124px));height:auto;border:1px solid var(--line);border-radius:10px;box-shadow:0 18px 48px #0000002e}.workspace-resize-handle{display:none}}@media(max-width:760px){.chat-shell,.chat-shell.workspace-open,.chat-shell.workspace-compact{grid-template-columns:1fr}.sidebar{position:fixed;left:10px;bottom:10px;z-index:25;flex-direction:row;width:calc(100% - 20px);min-height:58px;border:1px solid var(--line);border-radius:12px;padding:6px;box-shadow:0 14px 32px #0000001f}.history-panel{inset:10px 10px 78px;width:auto;border:1px solid var(--line);border-radius:12px;box-shadow:0 14px 32px #00000024}.brand-row,.nav-section h2,.account small{display:none}.new-chat,.conversation-list button,.account{width:auto;min-width:48px;min-height:42px}.conversation-list{display:flex;gap:6px;margin:0;overflow-x:auto}.nav-section{display:flex;gap:6px}.account{margin-left:auto;margin-top:0}.topbar{align-items:flex-start;flex-direction:column;padding:14px 16px}.chat-feed{padding:24px 16px 92px}.message-list{gap:18px}.message,.message.user{grid-template-columns:1fr;max-width:100%}.avatar{display:none}.message.user .bubble{grid-column:1;max-width:100%}.composer{grid-template-columns:1fr auto;width:calc(100% - 28px);margin-bottom:78px}.composer-tools{grid-column:1 / -1}.slash-menu{left:8px;right:8px;width:auto}.workspace-panel.compact{top:10px;right:10px}.workspace-panel.expanded{inset:8px;width:auto}.workspace-head,.skill-group-head{align-items:stretch;flex-direction:column}.workspace-mode-controls{width:100%}.workspace-mode-controls button{flex:1}.diff-card{grid-template-columns:1fr}}