/* js/style.css - SnugOS Stylesheet */

:root {
    /* Black & White Theme (Dark Mode Default) */
    --bg-primary: #000000;
    --bg-window: #000000;
    --bg-window-content: #000000;
    --bg-title-bar: #000000;
    --bg-taskbar: #000000;
    --bg-start-menu: #000000;
    --bg-button: #000000;
    --bg-button-hover: #FFFFFF;
    --bg-button-active: #FFFFFF;
    --bg-input: #000000;
    --bg-dropzone: #000000;
    --bg-dropzone-dragover: #FFFFFF;
    --bg-sequencer-header: #000000;
    --bg-sequencer-label: #000000;
    --bg-sequencer-step-even: #1e1e1e;
    --bg-sequencer-step-odd: #2a2a2a;
    --bg-sequencer-step-hover: #FFFFFF;
    --bg-meter-track: #000000;
    --bg-meter-bar-container: #000000;
    --bg-modal-overlay: rgba(0,0,0,0.75);
    --bg-modal-dialog: #000000;
    --bg-context-menu: #000000;
    --bg-timeline-container: #000000;
    --bg-timeline-header: #000000;
    --bg-timeline-track-lane: #000000;
    --bg-timeline-track-lane-even: #000000;
    --bg-timeline-track-name: #000000;
    --bg-theme-toggle-button-hover: #FFFFFF;

    --text-primary: #FFFFFF;
    --text-secondary: #FFFFFF;
    --text-placeholder: #FFFFFF;
    --text-title-bar: #FFFFFF;
    --text-button: #FFFFFF;
    --text-button-hover: #000000;
    --text-start-menu-disabled: #FFFFFF;
    --text-dropzone: #FFFFFF;
    --text-dropzone-dragover: #000000;
    --text-dropzone-label: #FFFFFF;
    --text-dropzone-label-hover: #FFFFFF;
    --text-knob: #FFFFFF;
    --text-sequencer-header: #FFFFFF;
    --text-sequencer-step: #FFFFFF;
    --text-theme-toggle-icon: #FFFFFF;

    --border-primary: #FFFFFF;
    --border-secondary: #FFFFFF;
    --border-window-title-bottom: #FFFFFF;
    --border-button: #FFFFFF;
    --border-button-hover: #FFFFFF;
    --border-button-active-outer: #FFFFFF;
    --border-button-active-inner: #FFFFFF;
    --border-start-menu: #FFFFFF;
    --border-start-menu-shadow: #FFFFFF #FFFFFF #FFFFFF #FFFFFF;
    --border-pad: #FFFFFF;
    --border-pad-active: #FFFFFF;
    --border-pad-selected: #FFFFFF;
    --border-dropzone: #FFFFFF;
    --border-dropzone-dragover: #FFFFFF;
    --border-knob: #FFFFFF;
    --border-input: #FFFFFF;
    --border-sequencer: #FFFFFF;
    --border-waveform: #FFFFFF;
    --border-meter-bar-container: #FFFFFF;
    --border-modal: #FFFFFF;
    --border-context-menu: #FFFFFF;
    --border-timeline-header: #FFFFFF;
    --border-timeline-track-lane: #FFFFFF;
    --border-timeline-track-name: #FFFFFF;
    --border-theme-toggle-button: #000000;

    --shadow-window: none;
    --shadow-start-menu: none;
    --shadow-button-inset-main: #000000;
    --shadow-button-inset-secondary: #000000;
    --shadow-pad-inset-main: #000000;
    --shadow-pad-inset-secondary: #000000;
    --shadow-knob: none;
    --shadow-modal: none;
    --shadow-context-menu: none;

    --accent-focus: #FFFFFF;
    --accent-muted-text: #000000;
    --accent-muted: #FFFFFF;
    --accent-soloed-text: #000000;
    --accent-soloed: #FFFFFF;
    --accent-armed-text: #000000;
    --accent-armed: #FF0000; /* Red for armed/recording */
    --accent-active-text: #000000;
    --accent-active: #FFFFFF;
    --accent-sequencer-step-border: #000000;
    --accent-sequencer-step: #FFFFFF;
    --accent-sequencer-playing-outline: #FFFFFF;
    --accent-meter: #FFFFFF;
    --accent-meter-clip: #FFFFFF;
    --accent-playhead: #ff4d4d;
    --accent-clip-bg: #FFFFFF;
    --accent-clip-border: #000000;

    --scrollbar-track: #000000;
    --scrollbar-thumb: #FFFFFF;
    --scrollbar-thumb-hover: #FFFFFF;
    --scrollbar-thumb-border: #000000;
    --scrollbar-corner: #000000;

    /* FIX: Add dedicated piano key colors */
    --piano-key-white-bg: #FFFFFF;
    --piano-key-black-bg: #4a4a4a;
    --piano-key-white-text: #000000;
    --piano-key-black-text: #FFFFFF;

    --timeline-track-name-width: 120px;
}

.theme-light {
    /* Black & White Theme (Light Mode) */
    --bg-primary: #FFFFFF;
    --bg-window: #FFFFFF;
    --bg-window-content: #FFFFFF;
    --bg-title-bar: #FFFFFF;
    --bg-taskbar: #FFFFFF;
    --bg-start-menu: #FFFFFF;
    --bg-button: #FFFFFF;
    --bg-button-hover: #000000;
    --bg-button-active: #000000;
    --bg-input: #FFFFFF;
    --bg-dropzone: #FFFFFF;
    --bg-dropzone-dragover: #000000;
    --bg-sequencer-header: #FFFFFF;
    --bg-sequencer-label: #FFFFFF;
    --bg-sequencer-step-even: #f0f0f0;
    --bg-sequencer-step-odd: #FFFFFF;
    --bg-sequencer-step-hover: #000000;
    --bg-meter-track: #FFFFFF;
    --bg-meter-bar-container: #FFFFFF;
    --bg-modal-overlay: rgba(255,255,255,0.75);
    --bg-modal-dialog: #FFFFFF;
    --bg-context-menu: #FFFFFF;
    --bg-timeline-container: #FFFFFF;
    --bg-timeline-header: #FFFFFF;
    --bg-timeline-track-lane: #FFFFFF;
    --bg-timeline-track-lane-even: #FFFFFF;
    --bg-timeline-track-name: #FFFFFF;
    --bg-theme-toggle-button-hover: #000000;

    --text-primary: #000000;
    --text-secondary: #000000;
    --text-placeholder: #000000;
    --text-title-bar: #000000;
    --text-button: #000000;
    --text-button-hover: #FFFFFF;
    --text-start-menu-disabled: #000000;
    --text-dropzone: #000000;
    --text-dropzone-dragover: #FFFFFF;
    --text-dropzone-label: #000000;
    --text-dropzone-label-hover: #000000;
    --text-knob: #000000;
    --text-sequencer-header: #000000;
    --text-sequencer-step: #000000;
    --text-theme-toggle-icon: #000000;

    --border-primary: #000000;
    --border-secondary: #000000;
    --border-window-title-bottom: #000000;
    --border-button: #000000;
    --border-button-hover: #000000;
    --border-button-active-outer: #000000;
    --border-button-active-inner: #000000;
    --border-start-menu: #000000;
    --border-start-menu-shadow: #000000 #000000 #000000 #000000;
    --border-pad: #000000;
    --border-pad-active: #000000;
    --border-pad-selected: #000000;
    --border-dropzone: #000000;
    --border-dropzone-dragover: #000000;
    --border-knob: #000000;
    --border-input: #000000;
    --border-sequencer: #000000;
    --border-waveform: #000000;
    --border-meter-bar-container: #000000;
    --border-modal: #000000;
    --border-context-menu: #000000;
    --border-timeline-header: #000000;
    --border-timeline-track-lane: #000000;
    --border-timeline-track-name: #000000;
    --border-theme-toggle-button: #FFFFFF;

    --shadow-window: none;
    --shadow-start-menu: none;
    --shadow-button-inset-main: #FFFFFF;
    --shadow-button-inset-secondary: #FFFFFF;
    --shadow-pad-inset-main: #FFFFFF;
    --shadow-pad-inset-secondary: #FFFFFF;
    --shadow-knob: none;
    --shadow-modal: none;
    --shadow-context-menu: none;
    
    --accent-focus: #000000;
    --accent-muted-text: #FFFFFF;
    --accent-muted: #000000;
    --accent-soloed-text: #FFFFFF;
    --accent-soloed: #000000;
    --accent-armed-text: #FFFFFF;
    --accent-armed: #CC0000; /* Darker red for armed */
    --accent-active-text: #FFFFFF;
    --accent-active: #000000;
    --accent-sequencer-step-border: #FFFFFF;
    --accent-sequencer-step: #000000;
    --accent-sequencer-playing-outline: #000000;
    --accent-meter: #000000;
    --accent-meter-clip: #000000;
    --accent-playhead: #ff0000;
    --accent-clip-bg: #000000;
    --accent-clip-border: #FFFFFF;

    --scrollbar-track: #FFFFFF;
    --scrollbar-thumb: #000000;
    --scrollbar-thumb-hover: #000000;
    --scrollbar-thumb-border: #FFFFFF;
    --scrollbar-corner: #FFFFFF;
    
    --piano-key-white-bg: #FFFFFF;
    --piano-key-black-bg: #4a4a4a;
    --piano-key-white-text: #000000;
    --piano-key-black-text: #FFFFFF;
}

/* --- SnugOS General & Desktop Styling --- */
body {
    font-family: 'Roboto', sans-serif;
    font-size: 14px;
    margin: 0;
    overflow: hidden;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    padding-top: 40px;
    text-transform: lowercase !important;
}

#desktop {
    width: 100vw;
    height: calc(100vh - 40px - 32px);
    overflow: hidden;
    position: relative;
    background-color: var(--bg-primary);
}

/* --- Top Taskbar Styling --- */
#topTaskbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 40px;
    background-color: var(--bg-taskbar);
    border-bottom: 1px solid var(--border-secondary);
    z-index: 10001;
    display: flex;
    align-items: center;
    padding: 0 10px;
    box-sizing: border-box;
    color: var(--text-secondary);
    gap: 10px;
}

#topTaskbar > div {
    display: flex;
    align-items: center;
    gap: 6px;
}

/* Consolidate common button styles here for consistent sizing across most buttons.
    This includes:
    - #topTaskbar button
    - #taskbarButtons .taskbar-button
    - .window-title-buttons button (min/max/close)
    - .panel button (general buttons like in Inspector)
    - .modal-buttons button (buttons in modals)
    - .mixer-track button (mute/solo buttons in mixer)
*/
#topTaskbar button,
#taskbarButtons .taskbar-button,
.window-title-buttons button,
.panel button,
.modal-buttons button,
.mixer-track button {
    padding: 5px 8px; /* Consistent padding */
    border: 1px solid var(--border-button); /* Consistent border */
    border-radius: 3px; /* Consistent border-radius */
    font-size: 11px; /* Consistent font size */
    height: 30px; /* Explicit height to prevent enlargement */
    min-width: 30px; /* Ensure minimum width to prevent collapse */
    box-sizing: border-box; /* Crucial: Include padding and border in element's total width/height */
    display: inline-flex; /* Use flexbox for centering content */
    align-items: center; /* Vertically center content */
    justify-content: center; /* Horizontally center content */
    flex-shrink: 0; /* Prevent buttons from shrinking in flex containers */
    cursor: pointer; /* Ensure cursor is pointer by default for all buttons */
    transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease; /* Smooth transitions */
    background-color: var(--bg-button); /* Default background */
    color: var(--text-button); /* Default text color */
}

/* Common hover and active states for these consolidated buttons */
#topTaskbar button:hover,
#taskbarButtons .taskbar-button:hover,
.window-title-buttons button:hover,
.panel button:hover,
.modal-buttons button:hover,
.mixer-track button:hover {
    background-color: var(--bg-button-hover);
    border-color: var(--border-button-hover);
    color: var(--text-button-hover);
}

#topTaskbar button:active,
#taskbarButtons .taskbar-button:active,
.window-title-buttons button:active,
.panel button:active,
.modal-buttons button:active,
.mixer-track button:active {
    background-color: var(--bg-button-active);
    border-color: var(--border-button-active-outer); /* Use outer border for active */
    box-shadow: inset 1px 1px 0 var(--shadow-button-inset-main), inset -1px -1px 0 var(--shadow-button-inset-secondary); /* Apply inset shadow for active */
}


#topTaskbar button#recordBtnGlobalTop svg {
    fill: var(--text-button);
    stroke: var(--text-button);
}

#topTaskbar button#recordBtnGlobalTop:hover svg {
    fill: var(--text-button-hover);
    stroke: var(--text-button-hover);
}

#topTaskbar button#recordBtnGlobalTop.recording {
    background-color: #FF0000 !important;
    border-color: #FF0000 !important;
    color: var(--text-button-hover) !important;
}

#topTaskbar button#recordBtnGlobalTop.recording svg {
    fill: var(--text-button-hover) !important;
    stroke: var(--text-button-hover) !important;
    animation: blink 1s infinite;
}

@keyframes blink {
    50% { opacity: 0.5; }
}

#topTaskbar button#playbackModeToggleBtnGlobalTop.active {
    background-color: var(--accent-active) !important;
    color: var(--accent-active-text) !important;
    border-color: var(--accent-active-border-dark) !important;
}

#topTaskbar input[type="number"],
#topTaskbar select {
    background-color: var(--bg-input);
    color: var(--text-primary);
    border: 1px solid var(--border-input);
    padding: 5px 6px;
    border-radius: 3px;
}
#topTaskbar input[type="number"] {
    width: 65px;
}
#topTaskbar select {
    min-width: 120px;
    max-width: 200px;
}

#topTaskbar label {
    margin-right: 4px;
    color: var(--text-secondary);
}

.master-meter-top {
    width: 120px;
    height: 12px;
    background-color: var(--bg-meter-bar-container);
    border: 1px solid var(--border-secondary);
    border-radius: 2px;
    overflow: hidden;
}
.master-meter-top > div {
    height: 100%;
    background-color: var(--accent-meter);
    transition: width 0.05s linear;
}
.master-meter-top > div.clipping {
    background-color: var(--accent-meter-clip);
}

#activityIndicatorsTop span {
    padding: 3px 6px;
    border-radius: 3px;
    background-color: var(--bg-button);
    color: var(--text-secondary);
    margin-left: 5px;
    transition: background-color 0.15s ease, color 0.15s ease;
}
#activityIndicatorsTop span.active {
    background-color: var(--accent-active);
    color: var(--accent-active-text);
}

#themeToggleContainerTopRight {
    display: flex;
    align-items: center;
    margin-left: 10px;
}

#themeToggleBtn {
    background-color: transparent;
    border: 1px solid transparent;
    padding: 0;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 3px;
    width: 32px;
    height: 32px;
    color: var(--text-theme-toggle-icon);
    line-height: 0;
}

#themeToggleBtn:hover {
    background-color: var(--bg-theme-toggle-button-hover);
    color: var(--text-button-hover);
    border-color: var(--border-theme-toggle-button);
}

#themeToggleBtn svg {
    stroke: currentColor;
    width: 85%;
    height: 85%;
}

#themeToggleBtn #themeIconMoon { display: none; }
#themeToggleBtn #themeIconSun { display: inline-block; }
body.theme-light #themeToggleBtn #themeIconSun { display: none; }
body.theme-light #themeToggleBtn #themeIconMoon { display: inline-block; }
body.theme-dark #themeToggleBtn #themeIconMoon { display: none; }
body.theme-dark #themeToggleBtn #themeIconSun { display: inline-block; }


/* --- Window Styling --- */
.window {
    position: absolute;
    border: 1px solid var(--border-primary);
    box-shadow: var(--shadow-window);
    background-color: var(--bg-window);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-width: 150px;
    min-height: 100px;
    color: var(--text-primary);
    border-radius: 3px;
}

.window.minimized { display: none !important; }
.window-title-bar { background-color: var(--bg-title-bar); color: var(--text-title-bar); padding: 5px 8px; cursor: grab; display: flex; justify-content: space-between; align-items: center; height: 28px; flex-shrink: 0; font-weight: 600; user-select: none; border-bottom: 1px solid var(--border-window-title-bottom); border-top-left-radius: 2px; border-top-right-radius: 2px;}
.window-title-bar span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; padding-right: 8px;}
.window-title-buttons { display: flex;}
/* Window title buttons have a more specific size here */
.window-title-buttons button {
    width: 20px;
    height: 20px;
    line-height: 18px; /* Adjust line-height for vertical centering of single char */
    font-size: 11px;
    font-weight: bold;
    margin-left: 4px;
    padding: 0; /* Remove padding explicitly for smaller buttons */
    /* Inherits other base styles from the consolidated button rule above */
}

.window-content { flex-grow: 1; padding: 0; background-color: var(--bg-window-content); overflow: auto; color: var(--text-primary);}

/* --- Taskbar Styling (Bottom Taskbar) --- */
#taskbar { position: fixed; bottom: 0; left: 0; width: 100%; height: 32px; background-color: var(--bg-taskbar); border-top: 1px solid var(--border-secondary); z-index: 10000; display: flex; align-items: center; padding: 0 6px; box-sizing: border-box; color: var(--text-secondary);}

#startButton { 
    padding: 3px 12px; 
    font-weight: 600; 
    margin-right: 6px; 
    /* Inherits other base styles from the consolidated button rule above */
    border-color: var(--border-button-hover) var(--border-button-active-outer) var(--border-button-active-outer) var(--border-button-hover); 
    box-shadow: 1px 1px 0 var(--shadow-button-inset-main) inset, -1px -1px 0 var(--shadow-button-inset-secondary) inset; 
}
#startButton:hover { 
    /* Inherits from consolidated hover */
}
#startButton:active { 
    border-color: var(--border-button-active-outer) var(--border-button-active-inner) var(--border-button-active-inner) var(--border-button-active-outer); 
    box-shadow: -1px -1px 0 var(--shadow-button-inset-main) inset, 1px 1px 0 var(--shadow-button-inset-secondary) inset; 
    /* Inherits from consolidated active */
}

#taskbarButtons .taskbar-button { 
    padding: 3px 10px; 
    margin: 0 3px; 
    max-width: 160px; 
    overflow: hidden; 
    text-overflow: ellipsis; 
    white-space: nowrap; 
    /* Inherits other base styles from the consolidated button rule above */
    border-color: var(--border-button-hover) var(--border-button-active-outer) var(--border-button-active-outer) var(--border-button-hover); 
    box-shadow: 1px 1px 0 var(--shadow-button-inset-main) inset, -1px -1px 0 var(--shadow-button-inset-secondary) inset; 
}
#taskbarButtons .taskbar-button:hover { 
    /* Inherits from consolidated hover */
}
#taskbarButtons .taskbar-button.active,
#taskbarButtons .taskbar-button:active { 
    border-color: var(--border-button-active-outer) var(--border-button-active-inner) var(--border-button-active-inner) var(--border-button-active-outer); 
    box-shadow: -1px -1px 0 var(--shadow-button-inset-main) inset, 1px 1px 0 var(--shadow-button-inset-secondary) inset; 
    /* Inherits from consolidated active */
}
#taskbarButtons .taskbar-button.minimized-on-taskbar { background-color: var(--bg-button); opacity: 0.65;}
#taskbarTempoDisplay { margin-left: auto; padding: 3px 10px; border: 1px solid var(--border-button); border-color: var(--border-button-hover) var(--border-button-active-outer) var(--border-button-active-outer) var(--border-button-hover); box-shadow: 1px 1px 0 var(--shadow-button-inset-main) inset, -1px -1px 0 var(--shadow-button-inset-secondary) inset; background-color: var(--bg-button); cursor: pointer; color: var(--text-secondary); border-radius: 3px;}
#taskbarTempoDisplay:hover { background-color: var(--bg-button-hover); color: var(--text-button-hover); }

/* --- Start Menu Styling --- */
#startMenu { position: absolute; bottom: 32px; left: 0; background: var(--bg-start-menu); border: 1px solid var(--border-start-menu); border-color: var(--border-start-menu-shadow); box-shadow: var(--shadow-start-menu); z-index: 10001; padding: 4px; min-width: 220px; color: var(--text-primary); border-radius: 3px;}
#startMenu.hidden { display: none; }
#startMenu ul { list-style: none; padding: 0; margin: 0; }
#startMenu li { padding: 6px 20px 6px 12px; cursor: pointer; white-space: nowrap; color: var(--text-primary); border-radius: 2px; transition: background-color 0.1s ease;}
#startMenu li:hover, #startMenu li.disabled:hover { background: var(--accent-focus); color: #000000; }
#startMenu li.disabled { color: var(--text-start-menu-disabled); cursor: default; }
#startMenu hr { border: none; border-top: 1px solid var(--border-start-menu); margin: 4px 0; }

/* --- Pad Button Styling --- */
.pad-button { padding: 8px; border: 1px solid var(--border-pad); background-color: var(--bg-button); color: var(--text-secondary); cursor: pointer; text-align: center; min-width: 70px; min-height: 70px; display: flex; flex-direction: column; align-items: center; justify-content: center; box-shadow: inset -1px -1px 1px var(--shadow-pad-inset-main), inset 1px 1px 1px var(--shadow-pad-inset-secondary); transition: background-color 0.15s ease, box-shadow 0.15s ease; overflow: hidden; position: relative; border-radius: 3px;}
.pad-button:hover { background-color: var(--bg-button-hover); color: var(--text-button-hover); }
.pad-button:active, .pad-button.selected-for-edit { background-color: var(--bg-button-active); box-shadow: inset 1px 1px 1px var(--shadow-pad-inset-main), inset -1px -1px 1px var(--shadow-pad-inset-secondary); border-color: var(--border-pad-active);}
.pad-button.selected-for-edit { border-color: var(--border-pad-selected); border-width: 2px; padding: 7px;}
.pad-label { font-size: 0.8em; color: var(--text-secondary); display: block; margin-top: 5px; word-break: break-all; line-height: 1.2; max-height: 2.4em; overflow: hidden; text-overflow: ellipsis;}

/* --- General Drop Zone Styling --- */
.drop-zone { border: 2px dashed var(--border-dropzone); padding: 10px; text-align: center; background-color: var(--bg-dropzone); color: var(--text-dropzone); font-size: 0.9em; border-radius: 4px; margin-bottom: 5px; transition: background-color 0.2s ease, border-color 0.2s ease;}
.drop-zone.dragover { background-color: var(--bg-dropzone-dragover); border-color: var(--border-dropzone-dragover); color: var(--text-dropzone-dragover);}
.drop-zone label { color: var(--text-dropzone-label); text-decoration: underline; cursor: pointer; }
.drop-zone label:hover { color: var(--text-dropzone-label-hover); }

/* --- Knob Styling --- */
.knob-container { display: flex; flex-direction: column; align-items: center; margin: 5px; min-width: 60px;}
.knob-label { font-size: 0.8rem; color: var(--text-secondary); margin-bottom: 2px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 100%; text-align: center;}
.knob { width: 36px; height: 36px; background-color: var(--bg-button); border-radius: 50%; position: relative; border: 1px solid var(--border-knob); box-shadow: var(--shadow-knob); cursor: ns-resize;}
.knob-handle { width: 4px; height: 10px; background-color: var(--text-secondary); position: absolute; top: 3px; left: 50%; transform: translateX(-50%); transform-origin: bottom center; border-radius: 2px;}
.knob-value { font-size: 0.75rem; color: var(--text-knob); margin-top: 2px; min-height: 1em; text-align: center;}

/* --- General Button Active States (for .muted, .soloed, .armed, .active) --- */
/* These rules should ONLY change colors, and NOT affect sizing or layout. */
/* The sizing/layout is handled by the consolidated rules near the top. */
button.muted {
    background-color: var(--accent-muted) !important;
    color: var(--accent-muted-text) !important;
    border-color: var(--accent-muted) !important; /* Make border match background for a solid look */
}

button.soloed {
    background-color: var(--accent-soloed) !important;
    color: var(--accent-soloed-text) !important;
    border-color: var(--accent-soloed) !important; /* Make border match background */
}

button.armed, button.recording {
    background-color: var(--accent-armed) !important;
    color: var(--accent-armed-text) !important;
    border-color: var(--accent-armed) !important; /* Make border match background */
}

button.active {
    background-color: var(--accent-active) !important;
    color: var(--accent-active-text) !important;
    border-color: var(--accent-active) !important; /* Make border match background */
}

/* --- Piano Roll / Sequencer Styling --- */
.sequencer-container .controls { position: sticky; top: 0; left: 0; background-color: var(--bg-title-bar); z-index: 30; border-bottom: 1px solid var(--border-primary); padding: 0.25rem; color: var(--text-title-bar);}
.sequencer-container .controls input, .sequencer-container .controls label { color: var(--text-primary);}
.sequencer-container .controls input { background-color: var(--bg-input); border-color: var(--border-input);}
.sequencer-grid-layout > div { box-sizing: border-box; display: flex; align-items: center; justify-content: center; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 0.75rem; border: 1px solid var(--border-sequencer);}
.sequencer-grid-layout .sequencer-header-cell { position: sticky; top: 0; background-color: var(--bg-sequencer-header); font-weight: 500; color: var(--text-sequencer-header); z-index: 20;}
.sequencer-grid-layout .sequencer-header-cell:first-child { z-index: 25; left: 0;}
.sequencer-grid-layout .sequencer-label-cell { position: sticky; left: 0; background-color: var(--bg-sequencer-label); justify-content: flex-end; padding-right: 0.25rem; font-weight: 500; color: var(--text-sequencer-header); z-index: 10;}
.sequencer-grid-layout .sequencer-step-cell { cursor: pointer; transition: background-color: 0.1s ease; color: var(--text-sequencer-step);}
.sequencer-step-cell.bg-gray-50 { background-color: var(--bg-sequencer-step-even); }
.sequencer-step-cell.bg-white { background-color: var(--bg-sequencer-step-odd); }
.sequencer-step-cell:hover { background-color: var(--bg-sequencer-step-hover) !important; color: var(--text-button-hover) !important }
.sequencer-step-cell.active-synth, .sequencer-step-cell.active-sampler, .sequencer-step-cell.active-drum-sampler, .sequencer-step-cell.active-instrument-sampler { background-color: var(--accent-sequencer-step) !important; color: var(--bg-sequencer-step-even) !important; border-color: var(--accent-sequencer-step-border) !important;}
.sequencer-step-cell.playing { outline: 2px solid var(--accent-sequencer-playing-outline); outline-offset: -2px; z-index: 5;}

.velocity-bar {
    background-color: var(--accent-sequencer-step);
    opacity: 0.7;
    transition: opacity 0.15s ease;
}
.velocity-bar:hover {
    opacity: 1;
}

/* --- Notification Area --- */
#notification-area { position: fixed; bottom: 40px; right: 10px; z-index: 20000; display: flex; flex-direction: column; align-items: flex-end; }
.notification-message { background-color: rgba(0,0,0,0.8); color: white; padding: 10px 15px; margin-top: 5px; border-radius: 4px; box-shadow: 0 2px 5px rgba(0,0,0,0.3); opacity: 0; transform: translateY(20px); transition: opacity 0.3s ease, transform 0.3s ease; max-width: 300px; }
.notification-message.show { opacity: 1; transform: translateY(0); }
.theme-light .notification-message { background-color: rgba(255,255,255,0.9); color: #000000; border: 1px solid #000000; }

/* --- Panel and Control Group --- */
.panel { border: 1px solid var(--border-primary); padding: 8px; margin-bottom: 8px; border-radius: 3px; background-color: var(--bg-window); }
.control-group { margin-bottom: 6px; } .control-group label { display: block; margin-bottom: 2px; font-size: 0.9rem; color: var(--text-secondary); }
.single-control-container { display: inline-block; vertical-align: top; margin-right: 8px; margin-bottom: 4px; }

/* --- Waveform Canvas --- */
.waveform-canvas { border: 1px solid var(--border-waveform); background-color: var(--bg-meter-track); width: 100%; height: 70px; display: block;}

/* --- Meter Bar Styling --- */
.meter-bar-container { background-color: var(--bg-meter-bar-container); border-radius: 3px; overflow: hidden; border: 1px solid var(--border-meter-bar-container); height: 10px; box-sizing: border-box;}
.meter-bar { background-color: var(--accent-meter); height: 100%; width: 0%; transition: width 0.05s linear;}
.meter-bar.clipping { background-color: var(--accent-meter-clip);}
.track-meter-container { height: 16px; margin-top: 2px; }
.mixer-meter-container { height: 12px; margin-top: 4px; }
#masterMeterContainerGlobal, #mixerMasterMeterContainer { height: 15px; }

/* Modal Styling */
.modal-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: var(--bg-modal-overlay); display: flex; justify-content: center; align-items: center; z-index: 15000;}
.modal-dialog { background-color: var(--bg-modal-dialog); border: 1px solid var(--border-modal); box-shadow: var(--shadow-modal); min-width: 300px; max-width: 90%; max-height: 90vh; display: flex; flex-direction: column; color: var(--text-primary); border-radius: 4px;}
.modal-title-bar { background-color: var(--bg-title-bar); color: var(--text-title-bar); padding: 6px 10px; font-weight: bold; user-select: none; border-bottom: 1px solid var(--border-window-title-bottom); border-top-left-radius: 3px; border-top-right-radius: 3px;}
.modal-content { padding: 15px; overflow-y: auto; flex-grow: 1; background-color: var(--bg-window-content); color: var(--text-primary);}
.modal-content p { margin-bottom: 10px; }
.modal-content p:last-child { margin-bottom: 0; }
.modal-buttons { padding: 10px 15px; text-align: right; border-top: 1px solid var(--border-primary); background-color: var(--bg-window); border-bottom-left-radius: 3px; border-bottom-right-radius: 3px;}
.modal-buttons button { background-color: var(--bg-button); border: 1px solid var(--border-button); color: var(--text-button); padding: 6px 15px; margin-left: 10px; cursor: pointer; border-radius: 3px; transition: background-color 0.15s ease;}
.modal-buttons button:hover { background-color: var(--bg-button-hover); color: var(--text-button-hover); }
.modal-buttons button:active { background-color: var(--bg-button-active);}

.window-resizer { position: absolute; width: 10px; height: 10px; right: 0; bottom: 0; cursor: nwse-resize; }
.modular-effects-rack {}
.effects-list-container {}
.effect-item.dragging { opacity: 0.5; background-color: var(--bg-button-hover); }
.effect-item.dragover-target { border-top: 2px solid var(--accent-focus); }
.drop-zone-relink-container { margin-top: 5px; }
.drop-zone-relink-button { font-size: 0.8em; padding: 2px 5px; margin-top: 3px; background-color: var(--bg-button); border: 1px solid var(--border-button); cursor: pointer; }
.drop-zone-missing, .drop-zone-error { border-color: var(--accent-meter-clip); background-color: var(--accent-muted); color: var(--accent-muted-text); }
.drop-zone-loading { border-color: var(--accent-active); background-color: var(--accent-active); color: var(--accent-active-text); }

/* Input and Select General Styling */
select, input[type="text"], input[type="number"],
.window-content select, .modal-content select,
.window-content input[type="text"], .window-content input[type="number"],
.modal-content input[type="text"], .modal-content input[type="number"] { background-color: var(--bg-input); color: var(--text-primary); border: 1px solid var(--border-input); padding: 5px 8px; border-radius: 3px;}
input::placeholder,
.window-content input::placeholder, .modal-content input::placeholder { color: var(--text-placeholder);}

/* Custom Scrollbar Styling */
::-webkit-scrollbar { width: 10px; height: 10px;}
::-webkit-scrollbar-track { background: var(--scrollbar-track); border-radius: 0px;}
::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb); border-radius: 2px; border: 1px solid var(--scrollbar-thumb-border);}
::-webkit-scrollbar-thumb:hover { background: var(--scrollbar-thumb-hover);}
::-webkit-scrollbar-corner { background: var(--scrollbar-corner);}
* { scrollbar-width: thin; scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);}

/* --- Context Menu Styling --- */
.context-menu { background-color: var(--bg-context-menu); border: 1px solid var(--border-context-menu); box-shadow: var(--shadow-context-menu); padding: 4px 0; min-width: 180px; border-radius: 3px; color: var(--text-primary); position: absolute;}
.context-menu ul { list-style: none; padding: 0; margin: 0; }
.context-menu-item { padding: 6px 15px 6px 12px; cursor: pointer; white-space: nowrap; transition: background-color 0.1s ease, color 0.1s ease; }
.context-menu-item:not(.disabled):hover { background-color: var(--accent-focus); color: #000000; }
.context-menu-item.disabled { color: var(--text-start-menu-disabled); cursor: default; }
.context-menu-separator { border: none; border-top: 1px solid var(--border-start-menu); margin: 4px 0; }

/* --- Timeline Styling --- */
#timeline-container { height: 100%; width: 100%; background-color: var(--bg-timeline-container); display: flex; flex-direction: column; overflow: hidden; position: relative;}
#timeline-header { height: 20px; background-color: var(--bg-timeline-header); border-bottom: 1px solid var(--border-timeline-header); flex-shrink: 0; position: relative; overflow: hidden; width: 100%;}
#timeline-ruler { width: 4000px; height: 100%; background-image: repeating-linear-gradient(to right, var(--text-secondary) 0 1px, transparent 1px 100%), repeating-linear-gradient(to right, var(--text-placeholder) 0 1px, transparent 1px 100%); background-size: 120px 100%, 30px 100%; background-position: left top; position: absolute; top: 0; left: 0;}
#timeline-tracks-and-playhead-container { flex-grow: 1; position: relative; overflow-x: auto; overflow-y: hidden;}
#timeline-playhead { position: absolute; top: 0; left: var(--timeline-track-name-width, 120px); width: 2px; height: 100%; background-color: var(--accent-playhead); z-index: 20; pointer-events: none; transform: translateX(0px);}
#timeline-tracks-area { position: relative; height:100%; overflow-y: auto; display: flex; flex-direction: column;}
.timeline-track-lane { min-height: 50px; background-color: var(--bg-timeline-track-lane); border-bottom: 1px solid var(--border-timeline-track-lane); box-sizing: border-box; position: relative; overflow: hidden; display: flex; width: 4000px;}
.timeline-track-lane:nth-child(even) { background-color: var(--bg-timeline-track-lane-even);}
.timeline-track-lane-name { position: sticky; left: 0; z-index: 10; background-color: var(--bg-timeline-track-name); padding: 0 8px; height: 100%; display: flex; align-items: center; border-right: 1px solid var(--border-timeline-track-name); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-weight: 500; color: var(--text-primary); width: var(--timeline-track-name-width, 120px); flex-shrink: 0;}
.timeline-clips-area { position: relative; height: 100%; flex-grow: 1;}

.audio-clip, .midi-clip {
    position: absolute;
    height: 80%;
    top: 10%;
    box-sizing: border-box;
    overflow: hidden;
    padding: 2px 4px;
    white-space: nowrap;
    text-overflow: ellipsis;
    cursor: grab;
    border-radius: 3px;
}

.audio-clip { 
    background-color: var(--accent-clip-bg); 
    border: 1px solid var(--accent-clip-border); 
    color: var(--bg-primary); 
}
.midi-clip {
    background-color: var(--accent-active);
    border: 1px solid var(--border-primary);
    color: var(--accent-active-text);
}
.midi-clip:hover, .audio-clip:hover {
    filter: brightness(1.2);
}

.audio-clip.selected, .midi-clip.selected { 
    outline: 2px solid var(--text-primary);
    z-index: 5;
}
.dragover-timeline-lane { 
    background-color: var(--bg-dropzone-dragover) !important;
}