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var(--primary-glow);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:.95rem;font-weight:800;display:flex}.step-content{flex-direction:column;flex:1;gap:6px;display:flex}.step-content h4{color:var(--text-primary);font-size:1.05rem;font-weight:700}.step-content p{color:var(--text-muted);font-size:.86rem;line-height:1.5}.setup-action-button{background:linear-gradient(135deg, var(--primary) 0%, var(--primary-active) 100%);border-radius:var(--radius-md);height:38px;box-shadow:0 2px 8px var(--primary-glow);transition:all var(--transition-fast);border:1px solid #ffffff1f;justify-content:center;align-self:flex-start;align-items:center;margin-top:8px;padding:0 16px;font-size:.84rem;font-weight:600;text-decoration:none;display:inline-flex;color:#fff!important}.setup-action-button:hover:not(:disabled){background:linear-gradient(135deg, var(--primary-hover) 0%, var(--primary) 100%);box-shadow:0 4px 14px var(--primary-glow);transform:translateY(-1px);color:#fff!important}.step-status{letter-spacing:.08em;text-transform:uppercase;border-radius:var(--radius-full);color:var(--text-muted);border:1px solid var(--border-subtle);background:#ffffff0f;flex-shrink:0;padding:4px 10px;font-size:.72rem;font-weight:700}.pairing-code-box{border:1px solid var(--border-default);border-radius:var(--radius-md);background:#0b1120cc;flex-direction:column;gap:4px;margin-top:14px;padding:16px 20px;display:inline-flex}.pairing-code-label{letter-spacing:.06em;color:var(--text-muted);text-transform:uppercase;font-size:.72rem;font-weight:700}.pairing-code-display{font-family:var(--font-mono);letter-spacing:3px;color:var(--primary-hover);text-shadow:0 0 12px var(--primary-glow);font-size:1.85rem;font-weight:800}.pairing-code-expiry{color:var(--text-dim);font-size:.75rem}.setup-info-banner{border:1px solid var(--border-subtle);border-radius:var(--radius-lg);color:var(--text-secondary);background:#0f172a80;align-items:flex-start;gap:16px;padding:20px 24px;font-size:.88rem;line-height:1.6;display:flex}.setup-info-icon{color:var(--primary-hover);flex-shrink:0;margin-top:2px;font-size:1.4rem}.setup-account-card{background:var(--bg-card);border:1px solid var(--border-default);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);padding:24px 28px}.setup-account-card h4{color:var(--text-primary);letter-spacing:.02em;margin-bottom:16px;font-size:1rem;font-weight:700}.setup-account-details{grid-template-columns:repeat(4,1fr);gap:12px;display:grid}.setup-account-details>div{border:1px solid var(--border-subtle);border-radius:var(--radius-md);background:#0f172a66;padding:12px 14px}.setup-account-details span{letter-spacing:.08em;color:var(--text-muted);text-transform:uppercase;margin-bottom:6px;font-size:.68rem;font-weight:700;display:block}.setup-account-details strong{color:var(--text-primary);overflow-wrap:anywhere;font-size:.9rem;font-weight:600;display:block}.setup-status-active{color:var(--green-text)!important}.scanner-wrapper{flex-direction:column;gap:16px;padding:8px 0;display:flex}.scanner-success{background:var(--green-bg);border:1px solid var(--green-border);border-radius:var(--radius-md);align-items:center;gap:12px;padding:14px 18px;display:flex}.scanner-success .success-content strong{color:var(--green-text);font-size:.92rem;display:block}.scanner-success .success-content span{color:#6ee7b7;font-size:.78rem}.scanner-error{background:var(--rose-bg);border:1px solid var(--rose-border);border-radius:var(--radius-md);color:var(--rose-text);padding:12px 16px;font-size:.88rem;font-weight:500}.qr-reader{border-radius:var(--radius-lg);border:1px solid var(--border-default);background:#000;max-width:480px;margin:0 auto;overflow:hidden;width:100%!important}.qr-reader video{border-radius:var(--radius-md);object-fit:cover;width:100%!important;height:auto!important}.scanner-overlay{pointer-events:none;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.scan-frame{border:2px solid var(--primary-hover);border-radius:var(--radius-md);width:220px;height:220px;box-shadow:0 0 20px var(--primary-glow);position:relative}.scan-line{background:var(--primary-hover);height:2px;box-shadow:0 0 10px var(--primary-hover);animation:2s ease-in-out infinite scanAnimation;position:absolute;left:0;right:0}@keyframes scanAnimation{0%,to{opacity:.8;top:10%}50%{opacity:1;top:90%}}.scanner-instruction{text-align:center;flex-direction:column;gap:2px;padding-top:4px;display:flex}.scanner-instruction strong{color:var(--text-primary);font-size:.88rem}.scanner-instruction span{color:var(--text-muted);font-size:.78rem}@media (width<=768px){.mobile-menu-toggle{display:flex}.header-right{display:none}.header-right.mobile-open{background:var(--bg-surface);border-bottom:1px solid var(--border-default);z-index:50;flex-direction:column;align-items:stretch;gap:14px;padding:16px 20px 24px;animation:.2s cubic-bezier(.16,1,.3,1) slideDown;position:absolute;top:68px;left:0;right:0;box-shadow:0 12px 32px #0009;display:flex!important}.header-right.mobile-open .nav-links{border-radius:var(--radius-md);background:#ffffff08;flex-direction:column;gap:4px;width:100%;padding:6px}.header-right.mobile-open .nav-link{border-radius:var(--radius-md);justify-content:flex-start;width:100%;padding:10px 16px;font-size:.92rem}.header-right.mobile-open .teacher-mini{border-radius:var(--radius-md);background:#ffffff08;width:100%;padding:10px 14px}.header-right.mobile-open .logout-button{justify-content:center;width:100%;height:42px;font-size:.9rem}.header-right.mobile-open .auth-nav-buttons{flex-direction:column;gap:10px;width:100%}.header-right.mobile-open .nav-auth-btn{justify-content:center;width:100%;height:42px;font-size:.9rem}.setup-account-details{grid-template-columns:repeat(2,1fr)}.setup-step{flex-direction:column;align-items:stretch}.step-status{align-self:flex-start}.setup-welcome-card{text-align:left;flex-direction:column;align-items:flex-start}}@media (width<=540px){.setup-account-details{grid-template-columns:1fr}}