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16px;font-size:14px;line-height:1.5}.teacher-msg.is-child .teacher-bubble{background:var(--blue-tint);color:var(--blue-deep)}.teacher-input-row{border-top:1px solid var(--line);gap:8px;padding:16px;display:flex}.teacher-input{border:1.5px solid var(--line);border-radius:var(--radius-m);flex:1;padding:12px 14px;font-size:14px}.parent-section-title{color:var(--ink-soft);margin:26px 0 12px;font-size:15px;font-weight:800}.class-progress-table{border-collapse:collapse;white-space:nowrap;width:100%;font-size:13.5px}.class-progress-table th,.class-progress-table td{text-align:left;border-bottom:1px solid var(--line);padding:8px 12px}.class-progress-table th{color:var(--ink-soft);text-transform:uppercase;letter-spacing:.03em;font-size:12px}.parent-stats-grid{grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:14px;margin-bottom:20px;display:grid}.parent-stat{text-align:center;flex-direction:column;align-items:center;gap:4px;display:flex}.parent-block{margin-bottom:16px}.parent-skill-list{flex-direction:column;gap:8px;padding-left:4px;font-size:14px;list-style:none;display:flex}.parent-privacy-note{color:var(--ink-soft);text-align:center;margin-top:20px;font-size:12.5px}.onboarding{background:radial-gradient(circle at top, var(--navy-800), var(--navy-950));justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex}.onboarding-card{text-align:center;width:100%;max-width:460px;padding:44px 36px}.onboarding-hero{margin-bottom:14px;font-size:48px}.onboarding-title{flex-direction:column;gap:4px;margin-bottom:18px;display:flex}.onboarding-title .en{font-size:26px;font-weight:800}.onboarding-title .zh{font-family:var(--font-zh);color:var(--ink-soft);font-size:16px}.onboarding-text{color:var(--ink-soft);margin-bottom:26px;font-size:14.5px;line-height:1.7}.onboarding-q{flex-direction:column;gap:2px;margin-bottom:18px;display:flex}.onboarding-q .en{font-size:21px;font-weight:800}.onboarding-q .zh{color:var(--ink-soft);font-family:var(--font-zh)}.onboarding-input{margin-bottom:22px}.onboarding-subq{color:var(--ink-soft);margin-bottom:10px;font-size:13px}.avatar-grid{grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:24px;display:grid}.avatar-option{border-radius:var(--radius-m);border:1.5px solid var(--line);background:var(--paper);cursor:pointer;padding:10px;font-size:26px}.avatar-option.is-active{border-color:var(--blue);background:var(--blue-tint)}.onboarding-lang{flex-direction:column;margin-bottom:24px}.onboarding-dots{justify-content:center;gap:6px;margin-top:22px;display:flex}.onboarding-dot{background:var(--paper-mute);border-radius:50%;width:7px;height:7px}.onboarding-dot.is-active{background:var(--blue)}.name-input{border-radius:var(--radius-m);border:1.5px solid var(--line);width:100%;padding:12px 14px;font-size:15px}.auth-error{color:var(--red);background:var(--red-tint);border-radius:var(--radius-s);margin-bottom:14px;padding:9px 12px;font-size:13.5px}.modal-overlay{z-index:100;background:#0b12208c;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.modal-panel{width:100%;max-width:440px;max-height:86vh;padding:26px 28px;overflow-y:auto}.modal-head{justify-content:space-between;align-items:center;margin-bottom:18px;display:flex}.settings-block{margin-bottom:22px}.settings-block h3{text-transform:uppercase;letter-spacing:.04em;color:var(--ink-soft);margin-bottom:10px;font-size:13px}.danger-title{color:var(--red)!important}.lang-options{flex-wrap:wrap;gap:8px;display:flex}.lang-option{border-radius:var(--radius-s);border:1.5px solid var(--line);background:var(--paper);cursor:pointer;padding:9px 16px;font-size:13.5px;font-weight:700}.lang-option.is-active{border-color:var(--blue);background:var(--blue-tint);color:var(--blue-deep)}.settings-note{color:var(--ink-soft);margin-bottom:6px;font-size:13px}.reset-confirm{flex-direction:column;align-items:flex-start;gap:10px;display:flex}.badge-unlock-card{background:linear-gradient(160deg, var(--navy-950), var(--navy-800));color:#fff;border-radius:var(--radius-xl);text-align:center;max-width:340px;padding:40px 36px}.badge-unlock-label{text-transform:uppercase;letter-spacing:.08em;color:#97a3d1;margin-bottom:14px;font-size:12px}.badge-unlock-icon{margin-bottom:10px;font-size:56px}.badge-unlock-name{margin-bottom:8px;font-size:22px}.badge-unlock-desc{color:#c3cbef;margin-bottom:22px;font-size:13.5px}.xp-toast-wrap{z-index:90;pointer-events:none;position:fixed;bottom:90px;right:30px}.xp-toast-wrap .xp-toast{background:linear-gradient(135deg, var(--blue), var(--purple));color:#fff;box-shadow:var(--shadow-l);border-radius:999px;padding:10px 20px;font-size:18px;font-weight:800;display:inline-block}@media (width<=640px){.xp-toast-wrap{bottom:100px;right:16px}.dash-hero,.dash-stats{gap:14px}}