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img{height:26px;width:auto;display:block}.ms-app .brand .math{color:var(--teal)}.ms-app .brand .sigma{color:var(--orange)}.ms-app .topbar .spacer{flex:1}.ms-app .topbar-legal{font-size:11px;font-weight:600;color:var(--text-muted);text-decoration:none;white-space:nowrap}.ms-app .topbar-legal:hover{color:var(--teal-deep);text-decoration:underline}.ms-app .signin-btn{padding:9px 18px;border:none;border-radius:999px;background:var(--teal);color:#fff;font-size:13px;font-weight:700}.ms-app .signin-btn:hover{background:var(--teal-deep)}.ms-app .credits-pill{display:flex;align-items:center;gap:5px;padding:7px 13px;border:1px solid var(--rule);border-radius:999px;background:#fff;font-size:13px;color:var(--text-muted);font-weight:700}.ms-app .credits-pill:hover{border-color:var(--teal)}.ms-app .credits-pill .ic{color:var(--orange);font-size:13px}.ms-app .credits-pill b{color:var(--text);margin-right:1px}.ms-app .acct{display:flex;align-items:center;gap:9px;padding:5px 12px 5px 6px;border:1px solid var(--rule);border-radius:999px;background:#fff}.ms-app .acct:hover{border-color:var(--teal)}.ms-app .acct .av{width:28px;height:28px;border-radius:50%;background:linear-gradient(135deg,#008080,#0aa);color:#fff;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;flex-shrink:0}.ms-app .acct-txt{display:flex;flex-direction:column;align-items:flex-start;line-height:1.15}.ms-app .acct-parent{font-size:13px;font-weight:700;color:var(--text)}.ms-app .acct .chev,.ms-app .acct-sub{font-size:11px;color:var(--text-muted)}.ms-app .acct .chev{margin-left:2px}.ms-app .acct-wrap{position:relative}.ms-app .acct-menu{position:absolute;top:calc(100% + 8px);right:0;min-width:230px;background:var(--sheet);border:1px solid var(--rule);border-radius:14px;box-shadow:0 16px 44px rgba(0,0,0,.16);padding:6px;z-index:90;display:flex;flex-direction:column;gap:2px}.ms-app .acct-head{display:flex;flex-direction:column;gap:1px;padding:8px 10px 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.hist-scroll{flex:1;overflow-y:auto;padding:2px 10px 26px;scrollbar-width:none;-ms-overflow-style:none}.ms-app .hist-scroll::-webkit-scrollbar{display:none}.ms-app .hist-sec{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--teal);padding:16px 6px 7px}.ms-app .hist-note{font-size:12.5px;line-height:1.5;color:var(--text-muted);padding:2px 6px 6px}.ms-app .hist-note.hist-err{color:var(--orange)}.ms-app .hist-retry{border:none;background:none;padding:0;font-size:12.5px;font-weight:700;color:var(--teal);text-decoration:underline}.ms-app .hist-row{display:flex;align-items:flex-start;gap:9px;padding:7px 6px;border-radius:12px}.ms-app .hist-row:hover{background:var(--paper-deep)}.ms-app .hist-thumb{width:42px;height:42px;flex-shrink:0;padding:0;overflow:hidden;border:1px solid var(--rule);border-radius:9px;background:#fff;display:flex;align-items:center;justify-content:center}.ms-app .hist-thumb:hover{border-color:var(--teal)}.ms-app .hist-thumb:disabled{cursor:default}.ms-app .hist-thumb:disabled:hover{border-color:var(--rule)}.ms-app .hist-thumb img{width:100%;height:100%;object-fit:cover;display:block}.ms-app .hist-noimg{color:var(--orange);font-size:15px}.ms-app .hist-open{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px;padding:1px 0 2px;border:none;background:none;text-align:left}.ms-app .hist-open:disabled{cursor:default;opacity:.6}.ms-app .hist-name{font-size:13px;font-weight:700;line-height:1.35;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.ms-app .hist-meta{font-size:11px;color:var(--text-muted)}.ms-app .hist-edit{width:26px;height:26px;flex-shrink:0;border:none;background:none;border-radius:8px;color:var(--text-muted);display:flex;align-items:center;justify-content:center;opacity:.45}.ms-app .hist-row:hover .hist-edit{opacity:1}.ms-app .hist-edit:hover{background:#fff;color:var(--teal)}.ms-app .hist-edit svg{width:14px;height:14px}.ms-app .hist-rename{flex:1;min-width:0;display:flex;align-items:center;gap:6px}.ms-app .hist-input{flex:1;min-width:0;border:1.5px solid var(--teal);border-radius:9px;padding:6px 9px;font-family:inherit;font-size:12.5px;color:var(--text);background:#fff;outline:none}.ms-app .hist-cancel,.ms-app .hist-save{width:26px;height:26px;flex-shrink:0;border:none;border-radius:8px;font-size:12px;display:flex;align-items:center;justify-content:center}.ms-app .hist-save{background:var(--teal);color:#fff}.ms-app .hist-save:hover{background:var(--teal-deep)}.ms-app .hist-save:disabled{opacity:.5;cursor:default}.ms-app .hist-cancel{background:none;color:var(--text-muted)}.ms-app .hist-cancel:hover{background:#fff;color:var(--text)}.ms-app .hist-lb{position:fixed;inset:0;z-index:95;display:flex;align-items:center;justify-content:center;padding:32px;background:rgba(31,37,50,.72)}.ms-app .hist-lb img{max-width:min(900px,92vw);max-height:88vh;border-radius:14px;box-shadow:0 24px 70px rgba(0,0,0,.4);display:block}.ms-app .hidden{display:none!important}.ms-app .sheet-handle,.ms-app .sheet-head{display:none}@media (max-width:860px){.ms-app,.ms-app .app{height:100dvh}.ms-app .topbar{padding:0 11px;gap:8px}.ms-app .brand>span{display:none}.ms-app .acct{padding:5px 9px 5px 5px}.ms-app .acct-txt{max-width:92px}.ms-app .acct-parent,.ms-app .acct-sub{max-width:92px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.ms-app .chat{width:100%!important;min-width:0;max-width:none}.ms-app .divider{display:none}.ms-app .chat-scroll{padding:16px 14px}.ms-app .hist{width:100%}.ms-app .msg{max-width:100%}.ms-app .composer{padding:10px 12px 14px}.ms-app .composer-hint{margin-top:7px}.ms-app .artifact{position:fixed;inset:0;z-index:70;min-width:0;border-left:none;transform:translateY(100%);visibility:hidden;transition:transform .3s cubic-bezier(.2,.8,.2,1),visibility 0s linear .3s}.ms-app .artifact.sheet-open{transform:none;visibility:visible;transition:transform .3s cubic-bezier(.2,.8,.2,1),visibility 0s}.ms-app .artifact.ocean{--grid-cell:calc(100dvh / 25)}.ms-app .art-scroll{padding:18px 15px 44px}.ms-app .sheet-head{display:flex;align-items:center;justify-content:flex-end;flex-shrink:0;position:relative;z-index:2;height:44px;padding:0 6px;background:var(--sheet);border-bottom:1px solid var(--rule);touch-action:none}.ms-app .sheet-grab{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:38px;height:4px;border-radius:999px;background:var(--rule);pointer-events:none}.ms-app .sheet-x{width:40px;height:40px;flex-shrink:0;border:none;background:none;border-radius:10px;color:var(--text-muted);font-size:15px;display:flex;align-items:center;justify-content:center}.ms-app .sheet-x:hover{background:var(--paper-deep);color:var(--text)}.ms-app .sheet-handle{display:flex;align-items:center;gap:10px;flex-shrink:0;margin:0 12px 10px;padding:11px 14px;border:1px solid var(--rule);border-radius:14px;background:var(--sheet);box-shadow:0 6px 18px rgba(0,0,0,.06);text-align:left}.ms-app .sheet-handle:hover{border-color:var(--teal)}.ms-app .sheet-handle-t{flex:1;min-width:0;font-size:13.5px;font-weight:700;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.ms-app .sheet-handle-c{flex-shrink:0;font-size:12.5px;font-weight:700;color:var(--teal)}}