.modal-overlay{position:fixed;inset:0;background-color:#000000bf;display:flex;justify-content:center;align-items:center;z-index:1000}.modal-content{background:#2d3748;padding:30px;border-radius:12px;width:90%;max-width:500px;box-shadow:0 10px 25px #00000080;color:#fff;position:relative}.modal-header h3{margin:0;font-size:1.5rem;color:#e2e8f0}.close-button{background:none;border:none;color:#cbd5e0;font-size:1.5rem;cursor:pointer;transition:color .2s}.close-button:hover{color:#fff}.modal-text{font-size:1rem;line-height:1.5;color:#cbd5e0;margin-bottom:20px}.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}.modal-button{padding:10px 20px;border-radius:8px;cursor:pointer;font-size:1rem;font-weight:600;transition:all .2s}.modal-button.primary{background-color:#38bdf8;color:#1e293b;border:none}.modal-button.primary:hover{background-color:#0ea5e9}.modal-button.secondary{background-color:#475569;color:#fff;border:none}.modal-button.secondary:hover{background-color:#64748b}.level-configs{display:flex;flex-direction:column;gap:15px}.level-config-item{display:flex;align-items:center;gap:10px}.level-number{background-color:#334155;color:#94a3b8;padding:8px 12px;border-radius:6px;font-weight:600;min-width:40px;text-align:center}.level-input{flex-grow:1;padding:10px 15px;border:1px solid #475569;border-radius:8px;background-color:#1e293b;color:#fff;font-size:1rem}.level-input::placeholder{color:#64748b}.add-level-button{background-color:#475569;color:#fff;padding:10px 15px;border:none;border-radius:8px;cursor:pointer;font-size:1rem;font-weight:600;transition:background-color .2s}.add-level-button:hover{background-color:#64748b}.topbar{display:flex;justify-content:flex-start;align-items:center;padding:16px 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#e2e8f0;padding:24px;overflow-y:auto}.hierarchy-title{font-size:1.1rem;margin-top:0;margin-bottom:20px;color:#1e293b}.planning-table-wrapper{flex-grow:1;padding:24px;overflow-y:auto}.no-node-selected{padding:24px;color:#64748b;text-align:center}.modal-overlay{position:fixed;inset:0;background-color:#00000080;display:flex;justify-content:center;align-items:center;z-index:1000}.modal-content{background-color:#fff;padding:24px;border-radius:8px;box-shadow:0 4px 12px #00000026;width:100%;max-width:500px}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.modal-header h3{margin:0;font-size:1.25rem}.close-button{background:none;border:none;cursor:pointer;color:#64748b}.modal-text{margin-bottom:20px;color:#475569}.modal-actions{display:flex;justify-content:flex-end;gap:12px}.modal-button{padding:10px 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#cbd5e1;box-sizing:border-box;z-index:10}.login-header{display:flex;flex-direction:column;align-items:center;margin-bottom:24px}.login-icon-wrapper{background-color:#bfdbfe;border-radius:50%;padding:12px;display:flex;justify-content:center;align-items:center;margin-bottom:12px}.login-header h2{margin:0;font-size:1.5rem;color:#1e293b}.form-group{margin-bottom:20px}.form-group label{display:block;margin-bottom:8px;font-size:.9rem;font-weight:500;color:#475569}.input-wrapper{position:relative}.input-icon{position:absolute;left:12px;top:50%;transform:translateY(-50%)}.form-input{width:100%;padding:12px 12px 12px 40px;border:1px solid #cbd5e1;border-radius:8px;font-size:1rem;background-color:#fff;box-sizing:border-box}.form-input:focus{outline:none;border-color:#2563eb;box-shadow:0 0 0 2px #2563eb33}.remember-me{display:flex;align-items:center;margin-bottom:20px}.remember-me input[type=checkbox]{margin-right:8px}.error-message{color:#ef4444;font-size:.85rem;margin-top:-10px;margin-bottom:10px;text-align:center}.submit-button{width:100%;padding:12px;background-color:#2563eb;color:#fff;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:background-color .2s ease-in-out}.submit-button:hover:not(:disabled){background-color:#1d4ed8}.submit-button:disabled{background-color:#93c5fd;cursor:not-allowed}