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var(--border);background:linear-gradient(155deg,#290607,#150304);border-radius:18px;width:min(100%,520px);padding:clamp(1.25rem,4vw,2.25rem);box-shadow:0 20px 70px #0006}.student-auth-card>.brand{align-items:center;gap:1rem;margin-bottom:2rem;display:flex}.student-auth-card .brand div{gap:.25rem;display:grid}.student-auth-card .brand strong{color:var(--accent-strong);letter-spacing:.1em}.student-auth-card .brand span,.student-auth-card p,.student-auth-card small{color:var(--muted)}.student-auth-card h1{margin:.5rem 0 1rem;font-size:2rem}.student-auth-card form,.student-auth-card label{gap:.5rem;display:grid}.student-auth-card form{gap:1.2rem;margin-top:1.5rem}.student-auth-card input{box-sizing:border-box;width:100%;min-width:0;color:var(--text);border:1px solid var(--border);font:inherit;background:#100203;border-radius:8px;padding:.85rem}.student-auth-card small,.optional-label{font-size:.875rem}.student-password-field{gap:.5rem;display:grid}.student-password-input{position:relative}.student-auth-card .student-password-input input{padding-right:3.25rem}.student-password-input input::-ms-reveal{display:none}.student-password-toggle{width:44px;height:44px;color:var(--accent-strong);cursor:pointer;background:0 0;border:0;border-radius:6px;place-items:center;padding:0;display:grid;position:absolute;top:50%;right:3px;transform:translateY(-50%)}.student-password-toggle:hover{background:#ffffff0d}.student-portal .student-password-toggle:focus-visible{outline-offset:-3px}.student-auth-card>.text-button{margin-top:1rem}.student-auth-card footer{border-top:1px solid var(--border-subtle);text-align:center;margin-top:2rem;padding-top:1.25rem}.student-auth-card a{color:var(--accent-strong)}.student-auth-tabs{border:1px solid var(--border-subtle);background:#110203;border-radius:10px;grid-template-columns:1fr 1fr;margin:1.5rem 0;padding:.3rem;display:grid}.student-auth-tabs button{color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:7px;padding:.7rem}.student-auth-tabs button[aria-pressed=true]{color:var(--accent-contrast);background:var(--accent);font-weight:700}.student-name-fields{grid-template-columns:1fr 1fr;gap:1rem;display:grid}.registration-share{border:1px solid var(--border);background:var(--panel);border-radius:12px;margin:1.5rem 0;padding:1.25rem}.registration-share input{box-sizing:border-box;width:100%;min-width:0;color:var(--text);border:1px solid var(--border);font:inherit;background:#110203;border-radius:8px;padding:.8rem}.registration-share label{gap:.5rem;margin:1rem 0;display:grid}.registered-student-actions{flex-wrap:wrap;gap:.5rem;display:flex}.student-remove-button{color:#ffb4ab;min-height:44px;margin-top:.5rem}@media (width<=480px){.student-name-fields{grid-template-columns:1fr}}