:root,[data-mpk4-theme=classic]{--mpk4-font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;--mpk4-app-bg:#1a1a1a;--mpk4-app-color:#eee;--mpk4-device-accent-color:#c75050;--mpk4-screen-header-color:#00d4aa;--mpk4-device-frame-bg:linear-gradient(135deg, #d4d0ca 0%, #c8c4be 50%, #b8b4ae 100%);--mpk4-device-inner-bg:linear-gradient(135deg, #c8c4be 0%, #bbb7b1 100%);--mpk4-surface-panel-bg:#c8c4be;--mpk4-encoder-base-bg:#8a3535;--mpk4-encoder-knob-grad:linear-gradient(145deg, #4a4a4a 0%, #333 100%);--mpk4-encoder-knob-grad-hover:linear-gradient(145deg, #555 0%, #3a3a3a 100%);--mpk4-encoder-knob-grad-active:linear-gradient(145deg, #333 0%, #2a2a2a 100%);--mpk4-device-model-color:#333;--mpk4-device-model-muted:#666;--mpk4-theme-toggle-bg:#181818eb;--mpk4-theme-toggle-border:#c750508c;--mpk4-theme-toggle-color:#f2f2f2;--mpk4-theme-toggle-shadow:#00000047;--mpk4-sequencer-step-playing-bg:linear-gradient(135deg, #c75050 0%, #a93f3f 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