.gtu-calc-container{max-width:600px;margin:0 auto;padding:20px;font-family:var(--font-family,system-ui,-apple-system,sans-serif)}.gtu-calc-card{background:#fff;border-radius:16px;box-shadow:0 10px 25px rgba(0,0,0,.05);overflow:hidden;border:1px solid #e2e8f0}.gtu-calc-header{background:linear-gradient(135deg,#1e3a8a,#3b82f6);color:#fff;padding:30px 20px;text-align:center}.gtu-icon{margin-bottom:15px;opacity:.9}.gtu-title{margin:0 0 10px;font-size:1.5rem;font-weight:700}.gtu-subtitle{margin:0;font-size:.9rem;opacity:.9}.gtu-calc-body{padding:30px}.input-group{margin-bottom:25px}.input-label{display:block;font-weight:600;color:#334155;margin-bottom:10px;font-size:.95rem}.toggle-group{display:flex;background:#f1f5f9;border-radius:8px;padding:4px}.toggle-btn{flex:1 1;padding:10px;border:none;background:transparent;color:#64748b;font-weight:600;cursor:pointer;border-radius:6px;transition:all .2s ease}.toggle-btn.active{background:#fff;color:#3b82f6;box-shadow:0 2px 4px rgba(0,0,0,.05)}.score-input{width:100%;padding:15px;font-size:1.2rem;border:2px solid #e2e8f0;border-radius:8px;outline:none;transition:border-color .2s;box-sizing:border-box}.score-input:focus{border-color:#3b82f6}.result-box{background:#f0fdf4;border:1px solid #bbf7d0;border-radius:12px;padding:25px;text-align:center;margin-top:30px;animation:slideUp .3s ease}@keyframes slideUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.result-percentage{margin-bottom:20px}.result-value{display:block;font-size:3rem;font-weight:800;color:#166534;line-height:1}.result-label{display:block;font-size:.9rem;color:#15803d;margin-top:5px;font-weight:600}.mysy-alert{display:flex;align-items:flex-start;gap:12px;background:#fff;padding:15px;border-radius:8px;text-align:left;border-left:4px solid #22c55e}.mysy-icon{color:#22c55e;flex-shrink:0;margin-top:2px}.mysy-text strong{display:block;color:#166534;font-size:.9rem;margin-bottom:4px}.mysy-text p{margin:0;font-size:.8rem;color:#475569;line-height:1.4}.gtu-seo-text{padding:0 30px 30px;background:#f8fafc;border-top:1px solid #e2e8f0;font-size:.9rem;color:#475569;line-height:1.6}.gtu-seo-text h3{color:#0f172a;margin-bottom:12px;font-size:1.1rem}.gtu-link{display:inline-block;margin-top:15px;color:#3b82f6;text-decoration:none;font-weight:600}.gtu-link:hover{text-decoration:underline}.sgpa-averager{display:flex;flex-direction:column;gap:15px}.sgpa-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));grid-gap:15px;gap:15px}.sgpa-input-wrapper{display:flex;flex-direction:column;background:#f8fafc;padding:10px;border-radius:8px;border:1px solid #e2e8f0}.sem-label{font-size:.85rem;font-weight:600;color:#64748b;margin-bottom:5px}.small-input{padding:8px 12px;font-size:1rem}.sgpa-controls{display:flex;justify-content:space-between;margin-top:10px}.btn-sem-control{background:transparent;border:1px solid #cbd5e1;color:#475569;padding:8px 16px;border-radius:6px;cursor:pointer;font-weight:600;transition:all .2s}.btn-sem-control:hover:not(:disabled){background:#f1f5f9;color:#0f172a}.btn-sem-control:disabled{opacity:.5;cursor:not-allowed}.btn-calculate-cgpa{margin-top:15px;background:#2563eb;color:#fff;border:none;padding:14px;border-radius:8px;font-size:1.05rem;font-weight:600;cursor:pointer;box-shadow:0 4px 6px rgba(37,99,235,.2);transition:all .2s}.btn-calculate-cgpa:hover{background:#1d4ed8;transform:translateY(-1px)}.result-cgpa{border-bottom:1px dashed #bbf7d0;padding-bottom:15px;margin-bottom:15px}.result-value-small{display:block;font-size:2rem;font-weight:800;color:#15803d;margin-top:5px}