@import "https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap";:root{--primary:#7c3aed;--primary-hover:#6d28d9;--bg-color:#fff;--text-dark:#0f172a;--text-muted:#64748b;--border-light:#f1f5f9;--input-bg:#f8fafc}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-dark);-webkit-font-smoothing:antialiased;font-family:Inter,sans-serif;line-height:1.5}.login-container{justify-content:center;align-items:center;min-height:100vh;padding:2rem;display:flex}.login-wrapper{width:100%;max-width:400px}.brand-header{text-align:center;margin-bottom:2rem}.icon-wrapper{background:#ede9fe;border:1.5px solid #ddd6fe;border-radius:22px;justify-content:center;align-items:center;width:72px;height:72px;margin:0 auto 1rem;display:flex}.brand-title{color:#4c1d95;letter-spacing:-1px;font-size:2rem;font-weight:800}.brand-subtitle{color:var(--primary);margin-top:.25rem;font-size:.875rem;font-weight:500}.login-card{border:1px solid var(--border-light);background:#fff;border-radius:24px;padding:2rem}.welcome-title{color:var(--text-dark);margin-bottom:.25rem;font-size:1.375rem;font-weight:800}.welcome-subtitle{color:var(--text-muted);margin-bottom:2rem;font-size:.875rem}.error-alert{color:#dc2626;background:#fef2f2;border:1px solid #fecaca;border-radius:12px;margin-bottom:1.5rem;padding:.75rem 1rem;font-size:.875rem}.input-group{background:var(--input-bg);border:1.5px solid #e2e8f0;border-radius:12px;align-items:center;height:52px;margin-bottom:1rem;padding:0 1rem;transition:all .2s;display:flex}.input-group:focus-within{border-color:var(--primary);background:#f5f3ff}.input-icon{align-items:center;margin-right:.75rem;display:flex}.form-input{color:var(--text-dark);background:0 0;border:none;outline:none;flex:1;height:100%;font-size:.875rem;font-weight:500}.form-input::placeholder{color:#94a3b8}.eye-btn{cursor:pointer;background:0 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var(--primary);color:var(--primary)}.cbt-nav-item.active.answered{border-color:#065f46}.cbt-submit-overlay{color:#fff;z-index:2000;background:#000c;flex-direction:column;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.spinner{border:4px solid #ffffff4d;border-top-color:#fff;border-radius:50%;width:50px;height:50px;margin-bottom:1rem;animation:1s linear infinite spin}.exam-loading{height:100vh;color:var(--text-muted);flex-direction:column;justify-content:center;align-items:center;display:flex}.exam-locked-screen{color:#fff;background:#dc2626;flex-direction:column;justify-content:center;align-items:center;height:100vh;padding:2rem;display:flex}