.invite-manager{box-sizing:border-box;background:#fff;border-radius:22px;width:min(720px,100vw - 24px);max-height:calc(100dvh - 32px);padding:24px;overflow-y:auto}.invite-header{justify-content:space-between;align-items:center;gap:16px;display:flex}.invite-header h2{margin:0;font-size:22px}.invite-activation,.invite-section{border-bottom:1px solid #e4e9e7;padding:18px 0}.invite-activation h3,.invite-section h3{margin:0 0 12px;font-size:18px}.invite-activation{background:#f1f7f4;border-radius:14px;margin:12px 0;padding:16px}.invite-activation p,.invite-caption{color:#53655d;font-size:14px;line-height:1.6}.invite-manager label,.teacher-page label{flex-direction:column;gap:8px;margin-bottom:12px;font-size:16px;display:flex}.invite-manager input:not([type=checkbox]),.invite-manager select,.teacher-page input,.teacher-page select,.invite-activation input{box-sizing:border-box;color:#243c30;width:100%;min-height:44px;font:inherit;background:#fff;border:1px solid #becfc6;border-radius:10px;min-width:0;padding:10px 12px}.invite-button{box-sizing:border-box;color:#fff;min-height:44px;font:inherit;cursor:pointer;background:#386e56;border:0;border-radius:12px;justify-content:center;align-items:center;margin:4px 8px 4px 0;padding:10px 16px;font-weight:650;text-decoration:none;display:inline-flex}.invite-button.secondary{color:#305642;background:#edf3ef;border:1px solid #c7d9ce}.invite-button:disabled{opacity:.5;cursor:wait}.invite-button:focus-visible{outline-offset:3px;outline:3px solid #8cb5ff}.invite-permissions{border:1px solid #dbe5de;border-radius:12px;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px 12px;margin:12px 0;padding:14px;display:grid}.invite-permissions label{flex-direction:row;align-items:center;min-height:44px;margin:0}.invite-permissions input{flex-shrink:0;width:20px;height:20px}.invite-result{overflow-wrap:anywhere;justify-items:start;gap:10px;margin:16px 0;display:grid}.invite-result input{width:100%}.invite-result img{max-width:100%;height:auto}.invite-status{color:#8a3f25;overflow-wrap:anywhere;line-height:1.6}.invite-member{border-top:1px solid #e2e9e5;padding:14px 0}.teacher-page{color:#243c30;background:#edf3ef;margin:0;font:16px/1.6 system-ui,Microsoft YaHei,sans-serif}.teacher-shell{max-width:1040px;margin:0 auto;padding:24px}.teacher-topbar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;display:flex}.teacher-topbar h1{font-size:24px}.teacher-topbar a{color:#386e56}.teacher-panel{background:#fff;border:1px solid #dce7df;border-radius:18px;margin:16px 0;padding:24px}.teacher-auth{max-width:460px;margin:28px auto}.teacher-students{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px;display:grid}.teacher-student{border:1px solid #dae5de;border-radius:14px;min-width:0;padding:16px}.teacher-student h3{margin:0 0 8px}.teacher-student details{margin-top:12px}.teacher-student summary{cursor:pointer;min-height:44px}.teacher-history{padding-left:20px;font-size:14px}.teacher-history li{overflow-wrap:anywhere;margin-bottom:8px}.teacher-score-form{gap:8px;display:grid}.teacher-score-form label{margin:0}.teacher-homework{gap:10px;margin-top:14px;display:grid}.teacher-homework-row{border-bottom:1px solid #dae5de;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding:12px;display:flex}.teacher-page [hidden],.invite-manager [hidden]{display:none!important}@media (max-width:600px){.invite-manager{padding:16px}.invite-permissions{grid-template-columns:1fr}.teacher-shell{padding:12px}.teacher-panel{padding:16px}.teacher-students{grid-template-columns:1fr}.teacher-topbar h1{font-size:21px}.teacher-topbar{gap:8px}}