:root{--mg-ink:#0a2342;--mg-text:#12283c;--mg-muted:#5a7284;--mg-muted2:#93a9b6;--mg-brand:#0798a8;--mg-brand-dark:#046d7a;--mg-brand-bg:#e4f6f8;--mg-turquoise:#00b6c7;--mg-cta:#f0a83f;--mg-cta-ink:#fff;--mg-bg:#f5fafb;--mg-panel:#fff;--mg-border:#dcebee;--mg-keyline:linear-gradient(90deg,#0a2342 0%,#0798a8 45%,#00b6c7 78%,#f0a83f 100%);--st-prop-bg:#fdf3d7;--st-prop-fg:#95680a;--st-go-bg:#dff5e6;--st-go-fg:#1d7a43;--st-doing-bg:#e0f0fb;--st-doing-fg:#20618f;--st-done-bg:#e8eef2;--st-done-fg:#4a6373;--st-ng-bg:#fdecea;--st-ng-fg:#c0392b;--st-hold-bg:#f0f1f1;--st-hold-fg:#7a8489;--mg-radius-s:8px;--mg-radius-m:10px;--mg-radius-l:14px;--mg-shadow-card:0 2px 10px #0a505c0f;--mg-shadow-float:0 12px 40px #0a234238;--mg-focus-ring:#c8ecf0;--text:var(--mg-text);--muted:var(--mg-muted);--muted2:var(--mg-muted2);--bg:var(--mg-bg);--chat-bg:#edf4f6;--panel:var(--mg-panel);--border:var(--mg-border);--accent:var(--mg-brand);--accent-dark:var(--mg-brand-dark);--accent-weak:var(--mg-brand-bg);--bubble-mine:var(--mg-brand-bg);--bubble-other:var(--mg-panel);--mention:var(--st-prop-fg);--mention-bg:var(--st-prop-bg);--badge:var(--mg-cta);--danger:var(--st-ng-fg);--ok:var(--st-go-fg);color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;font:15px/1.7 system-ui,Hiragino Sans,Noto Sans JP,sans-serif}*{box-sizing:border-box}body{overscroll-behavior-y:none;margin:0}#root{flex-direction:column;height:100svh;display:flex}button{font:inherit}input,textarea{font:inherit;color:inherit}.boot{height:100svh;color:var(--muted);place-items:center;display:grid}.login-wrap{background:var(--bg);place-items:center;min-height:100svh;padding:20px;display:grid}.login-card{background:var(--panel);border:1px solid var(--border);border-radius:14px;flex-direction:column;gap:14px;width:100%;max-width:360px;padding:22px;display:flex}.login-brand{align-items:center;gap:13px;display:flex}.login-brand img{border-radius:10px}.login-brand h1{margin:0;font-size:19px}.login-brand .wm{letter-spacing:2px;color:var(--mg-ink);font-weight:800}.login-brand .mod{color:var(--mg-ink);font-weight:700}.login-app-sub{color:var(--muted);margin-top:2px;font-size:12px}.login-sub{color:var(--muted);margin:0;font-size:13px}.login-card label{color:var(--muted);flex-direction:column;gap:5px;font-size:13px;display:flex}.login-card input{border:1px solid var(--border);background:#fff;border-radius:8px;padding:10px 12px;font-size:16px}.login-card input:focus{outline:2px solid var(--accent);outline-offset:-1px}.login-error{color:var(--danger);font-size:13px}.login-ok{color:var(--ok);font-size:13px}.login-link{color:var(--accent);cursor:pointer;background:0 0;border:none;padding:4px;font-size:13px}.login-note{color:var(--muted2);margin:0;font-size:12px}.btn{border:1px solid var(--border);background:var(--panel);color:var(--text);cursor:pointer;border-radius:9px;padding:10px 14px}.btn.primary{background:var(--mg-cta);border-color:var(--mg-cta);color:var(--mg-cta-ink);font-weight:700}.btn.primary:hover{filter:brightness(1.06)}.btn.primary:disabled{opacity:.5}.btn.ghost{background:0 0}.btn.danger{color:var(--danger);border-color:var(--danger)}.apphead{padding:10px 12px;padding-top:calc(10px + env(safe-area-inset-top));background:var(--panel);z-index:5;flex:none;align-items:center;gap:8px;display:flex;position:relative}.apphead:after{content:"";background:var(--mg-keyline);height:2.5px;position:absolute;bottom:0;left:0;right:0}.apphead .title{color:var(--mg-ink);white-space:nowrap;text-overflow:ellipsis;flex:1;min-width:0;font-size:16px;font-weight:700;overflow:hidden}.apphead .sub{color:var(--muted);font-size:12px;font-weight:400}.brandmark{align-items:center;gap:9px;min-width:0;display:inline-flex}.brandmark .ring{flex:none;width:26px;height:26px;display:block}.brandmark .wm{letter-spacing:2px;color:var(--mg-ink);font-size:16px;font-weight:800}.brandmark .mod{color:var(--mg-ink);border-left:1px solid var(--mg-border);white-space:nowrap;margin-left:1px;padding-left:11px;font-size:15px;font-weight:700}.iconbtn{cursor:pointer;color:var(--accent);background:0 0;border:none;border-radius:8px;justify-content:center;align-items:center;min-width:36px;min-height:36px;padding:6px;font-size:22px;line-height:1;text-decoration:none;display:inline-flex}.iconbtn:active{background:var(--accent-weak)}.roomlist{background:var(--panel);flex:1;overflow-y:auto}.room-row{border:none;border-bottom:1px solid var(--border);cursor:pointer;text-align:left;background:0 0;align-items:center;gap:12px;width:100%;padding:12px 14px;display:flex}.room-row:active{background:var(--accent-weak)}.room-row.active{background:var(--mg-brand-bg);box-shadow:inset 3px 0 0 var(--mg-brand)}.room-row.active .room-name{color:var(--mg-brand-dark)}.avatar{color:#fff;background:var(--mg-ink);border-radius:50%;flex:0 0 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4px;overflow-y:auto}.load-more{margin:4px auto 12px;font-size:12px;display:block}.day-sep{place-items:center;margin:10px 0;display:grid}.day-sep span{color:var(--muted);background:#00000014;border-radius:999px;padding:2px 12px;font-size:11px}.msg-row{align-items:flex-end;gap:8px;margin:2px 0 10px;display:flex}.msg-row.mine{flex-direction:row-reverse}.msg-col{flex-direction:column;min-width:0;max-width:76%;display:flex}.msg-row.mine .msg-col{align-items:flex-end}.msg-sender{color:var(--muted);margin:0 0 2px 4px;font-size:11px}.msg-line{align-items:flex-end;gap:6px;display:flex}.msg-row.mine .msg-line{flex-direction:row-reverse}.msg-time{color:var(--muted2);flex:none;font-size:10px}.bubble{background:var(--bubble-other);word-break:break-word;white-space:pre-wrap;border-radius:14px;padding:8px 12px;font-size:15px;line-height:1.55;box-shadow:0 1px 1px #0000000a}.msg-row.mine .bubble{background:var(--bubble-mine)}.bubble 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toast-in{0%{opacity:0;transform:translate(-50%)translateY(8px)}}.loading{color:var(--muted);place-items:center;padding:40px;font-size:13px;display:grid}.spinner{border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;width:22px;height:22px;margin-bottom:8px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.shell{flex:1;min-height:0;display:flex}.shell-sidebar{background:var(--panel);flex-direction:column;min-height:0;display:flex}.shell-main,.roomlist-panel{flex-direction:column;flex:1;min-height:0;display:flex}.empty-pane{color:var(--muted);background:var(--chat-bg);text-align:center;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:6px;padding:24px;display:flex}.empty-pane p{color:var(--mg-ink);margin:10px 0 0;font-size:16px;font-weight:700}.empty-pane span{font-size:13px}.empty-pane svg{opacity:.9}@media (width<=899px){.shell-sidebar,.shell-main{width:100%}.at-root .shell-main,.at-content .shell-sidebar,.empty-pane{display:none}}@media (width>=700px) and (width<=899px){.app-frame{border-left:1px solid var(--border);border-right:1px solid var(--border);width:100%;max-width:640px;margin:0 auto}}@media (width>=900px){.shell-sidebar{border-right:1px solid var(--border);flex:0 0 340px;width:340px}.shell-main{flex:1}.shell-main .app-frame{border-left:none;border-right:none;max-width:900px;margin:0 auto}.mobile-only{display:none!important}.shell-sidebar .brandmark .mod{display:none}}