.mas-rail-root{--mas-width:208px;--mas-width-collapsed:52px;flex:0 0 var(--mas-width-collapsed);width:var(--mas-width-collapsed);z-index:40;height:100%;min-height:0;position:relative}.mas-rail{--mas-bg:#0a0a0a;--mas-border:#1a1a1a;--mas-text:#fafafa;--mas-text-muted:#8c8c8b;--mas-accent:#007892;--mas-avatar-from:#007892;--mas-avatar-to:#005e6f;box-sizing:border-box;width:var(--mas-width);background:var(--mas-bg);min-height:0;color:var(--mas-text);border-right:1px solid var(--mas-border);-webkit-font-smoothing:antialiased;-webkit-user-select:none;user-select:none;flex-direction:column;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-size:14px;line-height:1.4;transition:width .2s cubic-bezier(.4,0,.2,1),box-shadow .2s;display:flex;position:absolute;top:0;bottom:0;left:0;overflow:hidden}.mas-rail *,.mas-rail :before,.mas-rail :after{box-sizing:border-box}.mas-rail[data-collapsed=true]{width:var(--mas-width-collapsed)}.mas-rail[data-collapsed=false]{box-shadow:6px 0 28px #00000073}@media (prefers-reduced-motion:reduce){.mas-rail{transition:none}}[data-theme=dark] .mas-rail{--mas-bg:#050505;--mas-border:#1f1f1f;--mas-accent:#18a0bd;--mas-avatar-from:#18a0bd;--mas-avatar-to:#0f6f85}.mas-brand{border-bottom:1px solid var(--mas-border);justify-content:space-between;align-items:center;gap:8px;height:56px;padding:0 12px;display:flex}.mas-brand__link{min-width:0;color:var(--mas-text);align-items:center;gap:10px;text-decoration:none;display:flex}.mas-brand__mark{background:var(--mas-accent);color:#fff;border-radius:7px;flex:none;justify-content:center;align-items:center;width:28px;height:28px;font-size:16px;font-weight:700;line-height:1;display:inline-flex}.mas-brand__word{letter-spacing:.01em;white-space:nowrap;text-overflow:ellipsis;font-size:15px;font-weight:600;overflow:hidden}.mas-brand__actions{flex:none;align-items:center;gap:4px;display:flex}.mas-rail[data-collapsed=true] .mas-brand__word,.mas-rail[data-collapsed=true] .mas-brand__actions{display:none}.mas-nav{flex:auto;min-height:0;padding:8px;overflow:hidden auto}.mas-footer{border-top:1px solid var(--mas-border);align-items:center;gap:8px;padding:10px 12px;display:flex}.mas-user{flex:auto;align-items:center;gap:10px;min-width:0;display:flex}.mas-user__avatar{background:linear-gradient(135deg, var(--mas-avatar-from), var(--mas-avatar-to));color:#fff;border-radius:50%;flex:none;justify-content:center;align-items:center;width:30px;height:30px;font-size:12px;font-weight:700;line-height:1;display:inline-flex}.mas-user__meta{flex-direction:column;min-width:0;line-height:1.25;display:flex}.mas-user__name{color:var(--mas-text);white-space:nowrap;text-overflow:ellipsis;font-size:13px;font-weight:600;overflow:hidden}.mas-user__email{color:var(--mas-text-muted);white-space:nowrap;text-overflow:ellipsis;font-size:11px;overflow:hidden}.mas-footer__actions{flex:none;align-items:center;gap:2px;display:flex}.mas-iconbtn{width:28px;height:28px;color:var(--mas-text-muted);cursor:pointer;background:0 0;border:0;border-radius:6px;justify-content:center;align-items:center;padding:0;display:inline-flex}.mas-iconbtn:hover{color:var(--mas-text);background:#ffffff0f}.mas-rail[data-collapsed=true] .mas-user__meta,.mas-rail[data-collapsed=true] .mas-footer__actions{display:none}