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.auth-choice{max-width:530px;margin:0 auto 16px}.auth-switch{display:grid;grid-template-columns:1fr 1fr;gap:6px;padding:6px;border:1px solid var(--line);border-radius:14px;background:#eaf0e6}.auth-switch button{background:transparent;color:var(--green);border-color:transparent;white-space:nowrap;padding:12px 10px}.auth-switch button[aria-pressed="true"]{background:var(--green);color:#fff;box-shadow:0 2px 5px #173d3520}body[data-page="student"] #login-panel,body[data-page="student"] #signup-panel{margin-top:0}body[data-page="student"] #signup-panel h2{margin-top:8px}body[data-page="student"] #signup-panel .eyebrow{margin-top:0}@media(max-width:700px){.auth-switch button{font-size:16px}header nav{flex-wrap:wrap}}