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.15s}.auth-input:focus{border-color:#4f46e5}.auth-submit{margin-top:.75rem;padding:.75rem;background:#4f46e5;color:#fff;border:none;border-radius:8px;font-size:.92rem;font-weight:700;cursor:pointer;transition:opacity .15s}.auth-submit:hover:not(:disabled){opacity:.88}.auth-submit:disabled{opacity:.5;cursor:not-allowed}.auth-message{font-size:.82rem;padding:.5rem .75rem;border-radius:6px;margin-top:.25rem}.auth-message.error{background:#fef2f2;color:#b91c1c;border:1px solid #fca5a5}.auth-message.success{background:#f0fdf4;color:#15803d;border:1px solid #86efac}[data-theme=dark] .auth-message.error{background:#b91c1c26;border-color:#fca5a54d;color:#fca5a5}[data-theme=dark] .auth-message.success{background:#15803d26;border-color:#86efac4d;color:#86efac}.auth-guest-hint{text-align:center;margin-top:1rem;font-size:.82rem;color:var(--text-muted)}.auth-link-btn{background:none;border:none;color:#4f46e5;font-size:inherit;cursor:pointer;font-weight:600;padding:0;text-decoration:underline}.auth-success-state{text-align:center;padding:1rem 0}.auth-success-icon{font-size:2.5rem;margin-bottom:.75rem}.auth-success-state h3{font-size:1.1rem;font-weight:700;color:var(--text-primary);margin-bottom:.5rem}.auth-success-state p{font-size:.88rem;color:var(--text-secondary);line-height:1.55;margin-bottom:1rem}.hero-ctas{display:flex;gap:.75rem;justify-content:center;flex-wrap:wrap;margin-bottom:2.5rem}.btn-hero-secondary{background:#ffffff1f;color:#ffffffe6;border:1.5px solid rgba(255,255,255,.3);border-radius:10px;padding:.85rem 1.75rem;font-size:.95rem;font-weight:600;cursor:pointer;transition:background .15s}.btn-hero-secondary:hover{background:#fff3}.hero-ctas .btn-hero-cta{margin-bottom:0}.nav-user{display:flex;align-items:center;gap:.5rem}.nav-user-email{font-size:.82rem;font-weight:600;color:var(--text-secondary);max-width:120px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.btn-nav-signout{padding:.4rem .85rem;background:transparent;border:1.5px solid var(--border);border-radius:8px;color:var(--text-primary);font-size:.82rem;font-weight:600;cursor:pointer;transition:border-color .15s,color .15s}.btn-nav-signout:hover{border-color:#ef4444;color:#ef4444}.my-exams-section{padding:3rem 0 0;background:var(--bg)}.my-exams-empty{text-align:center;padding:3rem 1rem;border:2px dashed var(--border);border-radius:14px;background:var(--bg-secondary)}.empty-icon{font-size:2.5rem;margin-bottom:.75rem}.empty-title{font-size:1rem;font-weight:700;color:var(--text-primary);margin-bottom:.4rem}.empty-desc{font-size:.85rem;color:var(--text-secondary);margin-bottom:1.25rem}