.custom-system-config{background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:12px;margin-bottom:2rem;padding:2rem}.custom-system-config h3{color:var(--text-primary);margin-bottom:1.5rem}.custom-grades-grid{grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:1rem;margin-bottom:1.5rem;display:grid}.custom-grade-item{background-color:var(--bg-primary);border:1px solid var(--border-color);border-radius:8px;flex-direction:column;gap:.5rem;padding:1rem;transition:all .3s;display:flex;position:relative}.custom-grade-item:hover{border-color:var(--accent-color);box-shadow:0 2px 8px #0000001a}.grade-header{justify-content:space-between;align-items:flex-start;margin-bottom:.5rem;display:flex}.grade-actions{opacity:0;gap:.25rem;transition:opacity .3s;display:flex}.custom-grade-item:hover .grade-actions{opacity:1}.grade-action-btn{cursor:pointer;color:var(--text-secondary);background:0 0;border:none;border-radius:6px;justify-content:center;align-items:center;min-width:32px;min-height:32px;padding:8px;font-size:.9rem;transition:all .2s;display:flex}.grade-action-btn:hover{background-color:var(--bg-secondary);transform:scale(1.05)}.grade-action-btn.delete:hover{color:#e74c3c;background-color:#e74c3c26}.grade-name-input{color:var(--text-primary);text-align:center;background-color:#0000;border:1px solid #0000;border-radius:4px;min-width:0;padding:4px 8px;font-size:.9rem;font-weight:600;transition:all .3s}.grade-name-input:focus{border-color:var(--accent-color);background-color:var(--bg-secondary);outline:none}.grade-name-input:hover{border-color:var(--border-color)}.grade-points-input{background-color:var(--bg-secondary);color:var(--text-primary);border:1px solid var(--border-color);text-align:center;appearance:textfield;border-radius:6px;padding:8px 12px;font-size:.9rem;transition:all .3s}.grade-points-input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}.grade-points-input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}.grade-points-input:focus{border-color:var(--accent-color);outline:none;box-shadow:0 0 0 2px #3498db1a}.add-grade-container{justify-content:center;margin-top:1rem;display:flex}.grade-management-header{justify-content:space-between;align-items:center;margin-bottom:1rem;display:flex}.grade-management-actions{gap:.5rem;display:flex}.calculator-section{background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:12px;margin-bottom:2rem;padding:2rem}.calculator-header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;margin-bottom:2rem;display:flex}.calculator-header h3{color:var(--text-primary);margin:0}.calculator-actions{flex-wrap:wrap;gap:1rem;display:flex}.semester-container{background-color:var(--bg-primary);border:1px solid var(--border-color);border-radius:12px;margin-bottom:2rem;overflow:hidden}.semester-header{background-color:var(--bg-secondary);border-bottom:1px solid var(--border-color);flex-wrap:wrap;align-items:center;gap:1rem;padding:1.5rem;display:flex}.semester-name-input{background-color:var(--bg-primary);color:var(--text-primary);border:1px solid var(--border-color);border-radius:6px;min-width:150px;padding:8px 12px;font-size:1.1rem;font-weight:600}.semester-name-input:focus{border-color:var(--accent-color);outline:none}.semester-stats{gap:1.5rem;margin-left:auto;display:flex}.semester-gpa,.semester-credits{color:var(--text-primary);font-size:.9rem;font-weight:600}.semester-actions{flex-wrap:wrap;gap:.5rem;display:flex}.subjects-container{border:1px solid var(--border-color);border-radius:8px;overflow:hidden}.subjects-header{background-color:var(--bg-primary);color:var(--text-primary);border-bottom:1px solid var(--border-color);grid-template-columns:2fr 1fr 1fr 1fr 1fr;gap:1rem;padding:1rem;font-weight:600;display:grid}.subject-row{border-bottom:1px solid var(--border-color);grid-template-columns:2fr 1fr 1fr 1fr 1fr;align-items:center;gap:1rem;padding:1rem;display:grid}.subject-row:last-child{border-bottom:none}.subject-input,.credits-input,.grade-select{background-color:var(--bg-primary);color:var(--text-primary);border:1px solid var(--border-color);border-radius:6px;padding:8px 12px;font-size:.9rem}.credits-input{appearance:textfield}.credits-input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}.credits-input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}.subject-input:focus,.credits-input:focus,.grade-select:focus{border-color:var(--accent-color);outline:none}.grade-points-display{color:var(--accent-color);text-align:center;font-weight:600}.results-section{background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:12px;margin-bottom:2rem;padding:2rem}.performance-indicator{margin-top:2rem}.performance-indicator h3{color:var(--text-primary);text-align:center;margin-bottom:1rem}.performance-bar{background-color:var(--bg-primary);border-radius:10px;width:100%;height:20px;margin-bottom:.5rem;overflow:hidden}.performance-fill{background:linear-gradient(90deg,#e74c3c 0%,#f39c12 25%,#f1c40f 50%,#27ae60 75%,#2ecc71 100%);border-radius:10px;height:100%;transition:width .5s}.performance-labels{color:var(--text-secondary);justify-content:space-between;margin-bottom:1rem;font-size:.8rem;display:flex}.performance-text{text-align:center;color:var(--accent-color);font-size:1.1rem;font-weight:600}@media (max-width:768px){.semester-header{flex-direction:column;align-items:stretch;gap:1rem;padding:1rem}.semester-stats{flex-wrap:wrap;justify-content:center;margin-left:0}.semester-actions{justify-content:center}.calculator-header{flex-direction:column;align-items:stretch}.calculator-actions{justify-content:center}.subjects-header{display:none}.subject-row{flex-direction:column;gap:.5rem;padding:1rem;display:flex}.custom-grades-grid{grid-template-columns:repeat(auto-fit,minmax(140px,1fr))}.grade-management-header{flex-direction:column;align-items:stretch;gap:1rem}.grade-management-header h3{text-align:center}.grade-management-actions{flex-wrap:wrap;justify-content:center}.custom-grade-item{padding:.75rem}.grade-actions{opacity:1}.custom-system-config,.calculator-section,.results-section{padding:1.5rem 1rem}}@media (max-width:480px){.custom-system-config,.calculator-section,.results-section{margin-bottom:1rem;padding:1rem .75rem}.semester-header{padding:.75rem}.semester-name-input{box-sizing:border-box;width:100%;font-size:1rem}.subject-row{padding:.75rem}.subject-input,.credits-input,.grade-select{box-sizing:border-box;width:100%;padding:8px 10px;font-size:.85rem}.custom-grades-grid{grid-template-columns:1fr;gap:.75rem}}