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#444;border-radius:4px;font-size:.9rem;font-weight:500}.megachart-series-name-input:focus{outline:none;border-color:#e6d7af}.megachart-remove-series{background:none;border:none;color:#ff6b6b;cursor:pointer;padding:.25rem;display:flex;align-items:center;justify-content:center;border-radius:4px;transition:background-color .2s}.megachart-remove-series:hover{background-color:#ff6b6b1a}.megachart-series-config{display:flex;flex-direction:column;gap:.75rem}.megachart-add-series{display:flex;align-items:center;justify-content:center;gap:.5rem;width:100%;padding:.75rem;background-color:#333;color:#e6d7af;border:1px dashed #555;border-radius:6px;cursor:pointer;font-size:.9rem;font-weight:500;transition:all .2s}.megachart-add-series:hover{background-color:#3a3a3a;border-color:#e6d7af}.megachart-config-buttons{display:flex;gap:.75rem}.megachart-btn{flex:1;display:flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem;background-color:#333;color:#fafafa;border:1px solid #444;border-radius:6px;cursor:pointer;font-size:.9rem;transition:all .2s}.megachart-btn:hover{background-color:#444;border-color:#555}.megachart-btn-file{cursor:pointer}.megachart-apply-changes{width:100%;padding:.875rem;background-color:#e6d7af;color:#1a1a1a;border:none;border-radius:6px;cursor:pointer;font-size:1rem;font-weight:600;transition:all .2s}.megachart-apply-changes:hover{background-color:#d4c59d;transform:translateY(-1px);box-shadow:0 4px 8px #e6d7af4d}.chart-hidden-message{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;color:#888;text-align:center}.chart-hidden-icon{margin-bottom:1rem;color:#555}.chart-hidden-message h3{margin:0 0 .5rem;font-size:1.25rem;color:#aaa}.chart-hidden-message p{margin:0;font-size:.95rem;color:#666}.megachart-control input[type=checkbox]{margin-right:.5rem;width:16px;height:16px;cursor:pointer}@media(max-width:768px){.settings-overlay-panel{width:100%}.megachart-header{flex-direction:column;gap:1rem;align-items:stretch}.megachart-header-actions{flex-direction:column}}