:root {
    --background-color: #1a1a1a;
    --panel-color: #2a2a2a;
    --border-color: #444;
    --primary-color: #00aaff;
    --text-color: #f0f0f0;
    --font-family: 'Orbitron', sans-serif;
}

/* Global optimizations for all range inputs for better responsiveness */
input[type="range"] {
    touch-action: manipulation; /* Optimize touch handling */
    user-select: none; /* Prevent text selection during drag */
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}
body {
    margin: 0;
    background-color: var(--background-color);
    color: var(--text-color);
    font-family: var(--font-family);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    overflow: hidden;
    padding: 0.5rem;
    box-sizing: border-box;
}
#app-container {
    width: 100%;
    height: 100%;
    max-width: 1800px;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    background-color: var(--background-color);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 30px rgba(0,0,0,0.4);
    padding: 0.5rem;
    box-sizing: border-box;
    position: relative;
    margin: 0 auto;
    justify-content: center;
}

/* Fullscreen responsive adjustments */
@media (min-width: 1920px) {
    #app-container {
        max-width: 90vw;
        height: 95vh;
        margin: 2.5vh auto;
    }
    .video-grid {
        gap: 1rem;
    }
    #main-controls {
        gap: 1.5rem;
        padding: 1rem 0;
    }
}

@media (max-width: 1366px) {
    #app-container {
        max-width: 95vw;
        padding: 0.25rem;
    }
    .video-grid {
        gap: 0.25rem;
    }
    #main-controls {
        gap: 0.5rem;
    }
}
.video-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr); /* Equal columns */
    gap: 0.5rem;
    flex-grow: 0; /* Do not allow growing, keep it compact */
    flex-shrink: 1; /* Allow shrinking if needed */
    min-height: 0; /* Critical for allowing flex-shrink to work correctly */
}
.source-column {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    min-width: 0; /* Prevents overflow issues within the grid */
}
.video-panel {
    background-color: #000;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    position: relative;
    aspect-ratio: 16 / 9;
    cursor: grab;
    cursor: grab;
}
.video-panel:active {
    cursor: grabbing;
}
.video-panel:fullscreen video {
    object-fit: contain; /* Maintain aspect ratio in fullscreen */
}
.video-panel:fullscreen .source-fullscreen-btn {
    /* Ensure the button stays visible in fullscreen */
    opacity: 1; 
    pointer-events: auto;
}
#output-panel {
    border-color: var(--primary-color);
}
#output-panel:fullscreen {
    border: none;
}
/* Hide overlays in fullscreen when no mouse activity */
.video-panel:fullscreen .panel-overlay,
.video-panel:fullscreen .source-fullscreen-btn,
.video-panel:fullscreen .fullscreen-btn,
.video-panel:fullscreen .popout-btn {
    transition: opacity 0.5s ease;
}
.video-panel:fullscreen.hide-overlays .panel-overlay,
.video-panel:fullscreen.hide-overlays .source-fullscreen-btn,
.video-panel:fullscreen.hide-overlays .fullscreen-btn,
.video-panel:fullscreen.hide-overlays .popout-btn {
    opacity: 0 !important;
    pointer-events: none;
}
.video-panel:fullscreen.hide-overlays {
    cursor: none;
}
.video-panel video, .video-panel canvas {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}
.panel-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-end; /* Align all items to the bottom */
    align-items: stretch; /* Allow children to fill width */
    padding: 0.5rem 1rem;
    box-sizing: border-box;
    background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, transparent 30%);
    opacity: 0;
    transition: opacity 0.3s ease;
}
.video-panel:hover .panel-overlay {
    opacity: 1;
}
.source-label {
    font-size: 1.5rem;
    font-weight: bold;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.8);
    font-size: 1.5rem;
    font-weight: bold;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.8);
    position: absolute;
    top: 0.5rem;
    left: 1rem;
}
.panel-top-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    width: 100%;
}
.output-actions {
    display: flex;
    gap: 0.5rem;
}
.output-action-group {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}
.fullscreen-btn, .popout-btn {
    padding: 6px;
    line-height: 0;
    background: rgba(0,0,0,0.4);
    position: relative; /* Needed for tooltip positioning */
}
.source-controls {
    display: flex;
    gap: 1.5rem;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 6; /* Make sure they are above the overlay gradient */
    visibility: hidden; /* Hide by default */
}
.waveform-container {
    width: 100%;
    height: 60px;
    background-color: rgba(0,0,0,0.4);
    border-radius: 4px;
    margin-bottom: 0.5rem;
    position: relative;
    visibility: hidden; /* Use visibility to reserve space */
    opacity: 0;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    cursor: pointer;
}
.waveform-container.visible {
    visibility: visible;
    opacity: 1;
}
.waveform-canvas {
    width: 100%;
    height: 100%;
    display: block;
}
.waveform-playhead {
    position: absolute;
    top: 0;
    left: 0; /* Positioned by JS */
    width: 2px;
    height: 100%;
    background-color: var(--primary-color);
    pointer-events: none; /* Don't interfere with clicks */
    opacity: 0.8;
    box-shadow: 0 0 5px var(--primary-color);
}
.waveform-loop-range {
    position: absolute;
    top: 0;
    height: 100%;
    background-color: rgba(0, 170, 255, 0.3);
    border-left: 1px solid rgba(0, 170, 255, 0.7);
    border-right: 1px solid rgba(0, 170, 255, 0.7);
    pointer-events: none; /* Don't interfere with clicks */
    z-index: 1; /* Position it below the playhead but above the waveform */
}
.source-deck-controls {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    /* No longer need to reserve vertical space */
    min-height: auto;
    /* Let the parent overlay handle alignment */
    justify-content: flex-start;
    visibility: hidden; /* Hide by default until content is loaded */
    opacity: 0;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}
.source-deck-controls.visible {
    visibility: visible;
    opacity: 1;
}
.playback-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(0,0,0,0.2);
    padding: 4px 8px;
    border-radius: 6px;
}
.playback-btn, .loop-btn, .stop-btn {
    padding: 4px 8px;
    min-width: auto;
    font-size: 12px;
}
.stop-btn {
    padding-top: 2px; /* Visual alignment for the square symbol */
}
.loop-btn.active {
     background-color: var(--primary-color);
     color: var(--panel-color);
}
.time-display {
    font-size: 12px;
    font-family: monospace;
    white-space: nowrap;
}
.progress-bar {
    flex-grow: 1;
    height: 8px !important;
    margin: 0;
    padding: 0;
}
.progress-bar::-webkit-slider-thumb {
    width: 16px !important;
    height: 16px !important;
    border-width: 2px !important;
}
.controls-grid {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: stretch; /* Stretch children to fill the height */
    gap: 1rem;
    padding: 0.25rem 0.5rem; /* Reduce vertical padding */
    border-top: 1px solid var(--border-color);
    flex-shrink: 0; /* Prevent controls from shrinking */
    background-color: var(--panel-color); /* Match app background */
    flex-grow: 1; /* Allow control area to take up remaining space */
}
.control-group {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}
.audio-controls {
    gap: 0.75rem;
}
.fader-label {
    font-size: 1.2rem;
    font-weight: bold;
}
.vu-meter {
    background-color: rgba(0,0,0,0.5);
    border: 1px solid var(--border-color);
    border-radius: 3px;
    transition: box-shadow 0.1s ease-out; /* Add smooth transition for the glow */
}
.fader-container {
    width: 20px;
    height: 100%; /* Fill available height */
    display: flex;
    justify-content: center;
    align-items: center;
}
input[type="range"].volume-fader {
    -webkit-appearance: none;
    appearance: none;
    width: 100px; /* Width becomes height after rotation */
    height: 10px; /* Height becomes width */
    background: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    cursor: pointer;
    transform: rotate(-90deg); /* Rotate the slider to be vertical */
    transition: none !important; /* Remove any transitions for instant response */
}

/* Master volume override - keep it horizontal */
input[type="range"]#master-volume,
#master-volume {
    -webkit-appearance: none !important;
    appearance: none !important;
    width: 150px !important; /* Normal horizontal width */
    height: 12px !important; /* Normal horizontal height */
    background: var(--background-color) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 6px !important;
    cursor: pointer !important;
    transform: none !important; /* Override vertical rotation */
    writing-mode: initial !important;
    transition: none !important; /* Remove transitions for instant response */
    touch-action: manipulation !important; /* Optimize for touch */
}

input[type="range"]#master-volume::-webkit-slider-thumb,
#master-volume::-webkit-slider-thumb {
    -webkit-appearance: none !important;
    appearance: none !important;
    width: 24px !important;
    height: 24px !important;
    background: var(--primary-color) !important;
    border-radius: 50% !important;
    border: 2px solid var(--panel-color) !important;
    cursor: pointer !important;
}
input[type="range"].volume-fader::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 30px;
    background: var(--primary-color);
    border-radius: 3px;
    border: 2px solid var(--panel-color);
    transition: none !important; /* Remove transitions for instant response */
    touch-action: manipulation; /* Optimize for touch */
}


#main-controls {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}
#master-output-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    width: 100%;
}
.main-controls-row {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    width: 100%;
    flex-wrap: wrap;
}
#midi-controls,
#transition-controls {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    justify-content: center;
}
#mixer-actions-row {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1.5rem;
    width: 100%;
    flex-wrap: wrap;
}
#mixer-actions-row .control-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
#mixer-actions-row label {
    font-size: 0.85rem;
    white-space: nowrap;
}
.transition-auto-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.control-input {
    width: 60px;
    padding: 8px;
    background-color: var(--background-color);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    font-family: var(--font-family);
    font-size: 14px;
    border-radius: 4px;
    text-align: center;
}
#vfx-params-container {
    display: none;
    grid-column: 1 / -1;
    flex-direction: row;
    justify-content: center;
    align-items: start;
    gap: 1.5rem;
    padding: 0.5rem 1rem;
    background: rgba(0,0,0,0.2);
    border-radius: 6px;
    margin-top: 0;
    min-height: 52px;
    box-sizing: border-box;
}
#vfx-params-container.visible {
    display: flex;
}
.vfx-params-group {
    display: none; /* All groups hidden by default */
    gap: 1.5rem;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    background: rgba(0,0,0,0.2);
    border-radius: 6px;
}
.vfx-params-group.visible {
    display: flex;
}
.vfx-param {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 12px;
}
.eyedropper-btn {
    padding: 6px;
    line-height: 0; /* Align SVG properly */
    min-width: 36px;
    height: 36px;
}
.control-color-picker {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    width: 36px;
    height: 36px;
    padding: 0;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid var(--border-color);
}
.control-color-picker::-webkit-color-swatch {
    border-radius: 50%;
    border: none;
}
.control-color-picker::-webkit-color-swatch-wrapper {
    padding: 2px;
}
/* This rule will be applied to the new wrapper */
#session-controls {
    display: flex;
    gap: 0.75rem;
}
#record-controls {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}
#recording-status {
    display: none; /* Hidden by default */
    align-items: center;
    gap: 0.5rem;
    background-color: var(--background-color);
    padding: 6px 12px;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    font-family: monospace;
    font-size: 14px;
}
#recording-status.visible {
    display: flex;
}
#rec-indicator {
    width: 10px;
    height: 10px;
    background-color: #e60023;
    border-radius: 50%;
    animation: pulse-red 1.5s infinite;
}
#record-btn.recording {
    background-color: #e60023;
    border-color: #e60023;
    color: var(--text-color);
    animation: pulse-red 1.5s infinite;
}
#pause-btn.paused {
    background-color: #ffc107; /* A yellow color for pause */
    border-color: #ffc107;
    color: var(--background-color);
}
@keyframes pulse-red {
    0% { box-shadow: 0 0 0 0 rgba(230, 0, 35, 0.7); }
    70% { box-shadow: 0 0 8px 10px rgba(230, 0, 35, 0); }
    100% { box-shadow: 0 0 0 0 rgba(230, 0, 35, 0); }
}
@keyframes pulse-blue {
    0% {
        box-shadow: 0 0 0 0 rgba(0, 170, 255, 0.7);
    }
    70% {
        box-shadow: 0 0 10px 12px rgba(0, 170, 255, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(0, 170, 255, 0);
    }
}
.midi-learn-btn {
    min-width: 80px; /* Give it a consistent size */
}
.midi-learn-target {
    transition: box-shadow 0.3s ease, border-color 0.3s ease;
}
body.midi-learn-active .midi-learn-target {
    box-shadow: 0 0 12px 3px rgba(255, 165, 0, 0.8);
    border-color: rgba(255, 165, 0, 1);
    cursor: pointer;
}
.midi-learn-pending {
    /* Add a pulsing blue glow to the control waiting for MIDI input */
    animation: pulse-blue 2s infinite;
    border-color: var(--primary-color) !important; /* Ensure the border is highlighted */
    box-shadow: 0 0 15px 5px rgba(0, 170, 255, 0.6) !important; /* Add a base glow */
}
.control-select {
    padding: 8px 12px;
    background-color: var(--background-color);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    font-family: var(--font-family);
    font-size: 14px;
    border-radius: 4px;
    cursor: pointer;
}
.control-select:hover {
    border-color: #555;
}
.control-select:focus {
    outline: 1px solid var(--primary-color);
}
.crossfader-container {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    justify-self: center; /* Center the element within the grid cell */
    width: 100%; /* Allow container to fill the grid cell */
    max-width: 450px; /* Set a max-width for the fader */
}

.master-volume-container {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    justify-self: center; /* Center the element within the grid cell */
    width: 100%; /* Allow container to fill the grid cell */
    max-width: 450px; /* Set a max-width for the fader */
}


.crossfader-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    flex-grow: 1;
}
#crossfader-indicator {
    position: absolute;
    top: 50%;
    transform: translate(-50%, -50%);
    color: var(--panel-color);
    background: var(--primary-color);
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 14px;
    font-weight: bold;
    pointer-events: none; /* Allows clicks to go through to the slider */
    z-index: 2;
    opacity: 0;
    transition: opacity 0.2s ease;
}
#vfx-params-container input[type="range"] {
    width: 120px;
}
input[type="range"]:not(.volume-fader) {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 12px;
    background: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    outline: none;
    cursor: pointer;
    transition: none !important; /* Remove transitions for instant response */
}
input[type="range"]:not(.volume-fader)::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 28px;
    height: 28px;
    background: var(--primary-color);
    border-radius: 50%;
    border: 4px solid var(--panel-color);
    box-shadow: 0 0 8px rgba(0, 170, 255, 0.8);
    /* The indicator will be our new visual thumb */
    background: transparent;
    box-shadow: none;
    border: none;
}
/* We can still use the primary color for the thumb itself as a backdrop */
input[type="range"]:not(.volume-fader)::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 28px;
    height: 28px;
    background: var(--primary-color);
    border-radius: 50%;
    border: 4px solid var(--panel-color);
    box-shadow: 0 0 8px rgba(0, 170, 255, 0.8);
}
.control-btn {
    background-color: var(--background-color);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 8px 16px;
    font-family: var(--font-family);
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s ease-in-out;
}
.source-controls .control-btn {
    width: 64px;
    height: 64px;
    padding: 0;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    background: rgba(0,0,0,0.4);
    border: 2px solid var(--border-color);
    transition: all 0.2s ease;
}
.source-controls .control-btn:hover {
    background: rgba(0,0,0,0.6);
    border-color: var(--primary-color);
    transform: scale(1.05);
}
.source-controls.visible {
    visibility: visible;
}
.source-deck-controls.visible + .source-controls {
    visibility: hidden;
}
.control-btn:hover {
    background-color: #3c3c3c;
    border-color: #555;
}
.control-btn.active {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--panel-color);
    box-shadow: 0 0 8px rgba(0, 170, 255, 0.7);
}
.file-input {
    /* Display is controlled by JS, default to none */
    display: none;
}
/* Ensure the control is visible when its container has the 'visible' class */
#transition-edge-control.visible {
    display: flex;
}
.notification {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--primary-color);
    color: var(--panel-color);
    padding: 12px 24px;
    border-radius: 6px;
    z-index: 1001; /* Above other UI */
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease, visibility 0.4s ease, top 0.4s ease;
    font-weight: bold;
    box-shadow: 0 4px 15px rgba(0, 170, 255, 0.4);
    white-space: nowrap;
}
.notification.show {
    opacity: 1;
    visibility: visible;
    top: 40px;
}
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.7);
    display: none; /* Hidden by default */
    justify-content: center;
    align-items: center;
    z-index: 1000;
}
.modal-content {
    background-color: var(--panel-color);
    padding: 1rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    width: 90%;
    max-width: 500px;
    max-height: 85vh;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0;
}
.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 1rem;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1rem;
}
.modal-content.large .modal-header {
    padding-left: 0.5rem;
    padding-right: 0.5rem;
}
.modal-content h2 {
    margin: 0;
    text-align: left;
    color: var(--primary-color);
    flex-grow: 1;
    font-size: 1.3rem;
}
.modal-close-btn {
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
    padding: 0 0.5rem;
    opacity: 0.7;
    transition: opacity 0.2s ease;
}
.modal-close-btn:hover {
    opacity: 1;
}
.device-selector-row {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    padding: 0 1rem;
    margin-bottom: 0.5rem;
}

.device-selector-row:first-of-type {
    margin-top: 0;
    padding-top: 0;
}

.device-selector-row label {
    color: #ff6b35;
    font-weight: bold;
    font-size: 13px;
    margin-bottom: 4px;
}

/* Resolution and framerate selectors */
#video-resolution-select,
#video-framerate-select {
    background: rgba(51, 51, 51, 0.9);
    border: 1px solid #666;
    color: #00ccff;
    border-radius: 4px;
    padding: 4px 8px;
    font-size: 12px;
    width: 100%;
}

#video-resolution-select:focus,
#video-framerate-select:focus {
    border-color: #00ccff;
    outline: none;
    box-shadow: 0 0 4px rgba(0, 204, 255, 0.3);
}
.device-select {
    width: 100%;
    padding: 0.75rem;
    background-color: var(--background-color);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    font-family: var(--font-family);
    font-size: 1rem;
    border-radius: 4px;
}
.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    margin-top: 1rem;
    padding: 0 2rem 2rem 2rem; /* Add padding to match header */
}
.modal-actions .control-btn.screen-share-btn {
    margin-right: auto; /* Push the other buttons to the right */
    background-color: #3a3a3a;
}
.modal-actions .control-btn.screen-share-btn:hover {
    background-color: #4a4a4a;
}
.screen-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-height: 50vh;
    overflow-y: auto;
    padding: 0 2rem; /* Add padding to match header */
}
.screen-option {
    background-color: var(--background-color);
    padding: 1rem;
    border-radius: 6px;
    border: 2px solid var(--border-color);
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
}
.screen-option:hover {
    border-color: var(--primary-color);
    box-shadow: 0 0 8px rgba(0, 170, 255, 0.5);
}
.screen-option-label {
    font-weight: bold;
    font-size: 1.1rem;
}
.screen-option-res {
    font-size: 0.9rem;
    color: #aaa;
}
@media (max-width: 900px) {
    body {
        height: auto;
        padding: 0;
    }
    #app-container {
        border-radius: 0;
        height: 100vh;
    }
    .video-grid {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto auto;
        overflow-y: auto;
    }
    .controls-grid {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto auto;
        gap: 1rem;
    }
    .audio-controls {
        flex-direction: row-reverse;
    }
    .fader-container {
        width: 100px;
        height: auto;
    }
    input[type="range"].volume-fader {
        transform: none; /* Revert rotation for horizontal layout */
        width: 100%;
        height: 10px;
    }
}
/* Tooltip Styles */
.tooltip {
    position: relative;
    display: inline-block;
}
.tooltip .tooltip-text {
    visibility: hidden;
    width: 140px;
    background-color: var(--primary-color);
    color: var(--panel-color);
    text-align: center;
    border-radius: 6px;
    padding: 8px;
    position: absolute;
    z-index: 1002; /* Above notifications */
    bottom: 125%; /* Position above the element */
    left: 50%;
    margin-left: -70px; /* Use half of the width to center */
    opacity: 0;
    transition: opacity 0.3s;
    font-size: 12px;
    font-weight: bold;
    box-shadow: 0 4px 10px rgba(0, 170, 255, 0.4);
    pointer-events: none; /* Avoid tooltip interfering with hover */
}
.tooltip .tooltip-text::after {
    content: "";
    position: absolute;
    top: 100%; /* At the bottom of the tooltip */
    left: 50%;
    margin-left: -5px;
    border-width: 5px;
    border-style: solid;
    border-color: var(--primary-color) transparent transparent transparent;
}
.tooltip:hover .tooltip-text {
    visibility: visible;
    opacity: 1;
}

/* Fix tooltip positioning to prevent overlap */
#fullscreen-btn .tooltip-text {
    transform: translateX(-130px) !important;
}
#popout-btn .tooltip-text {
    transform: translateX(-80px) !important;
}
#vcam-btn .tooltip-text {
    transform: translateX(-40px) !important;
}

/* Deck header with small file/device buttons */
.deck-header {
    display: flex;
    justify-content: flex-end;
    padding: 4px 8px;
    background: rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.deck-source-buttons {
    display: flex;
    gap: 4px;
}

.small-file-btn, .small-device-btn {
    padding: 4px 6px !important;
    font-size: 12px !important;
    min-height: 24px !important;
    opacity: 0.8;
}

.small-file-btn:hover, .small-device-btn:hover {
    opacity: 1;
}
/* Resize Handle Styles */
.resize-handle {
    position: absolute;
    width: 12px;
    height: 12px;
    background: rgba(0, 170, 255, 0.6);
    border: 1.5px solid #fff;
    border-radius: 50%;
    z-index: 10;
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: opacity 0.2s ease, transform 0.2s ease, background-color 0.2s ease;
    pointer-events: none;
}
.video-panel:hover .resize-handle {
    opacity: 1;
    pointer-events: auto;
}
.resize-handle.top-left { top: 0; left: 0; cursor: nwse-resize; }
.resize-handle.top-right { top: 0; left: 100%; cursor: nesw-resize; }
.resize-handle.bottom-left { top: 100%; left: 0; cursor: nesw-resize; }
.resize-handle.bottom-right { top: 100%; left: 100%; cursor: nwse-resize; }
.resize-handle.top-edge { top: 0; left: 50%; cursor: ns-resize; }
.resize-handle.bottom-edge { top: 100%; left: 50%; cursor: ns-resize; }
.resize-handle.left-edge { top: 50%; left: 0; cursor: ew-resize; }
.resize-handle.right-edge { top: 50%; left: 100%; cursor: ew-resize; }
.resize-handle:hover {
    transform: translate(-50%, -50%) scale(1.2);
}
.resize-handle.resizing {
    background: var(--primary-color);
    box-shadow: 0 0 8px 2px var(--primary-color);
    transform: translate(-50%, -50%) scale(1.3);
}

/* Latency Controls Styling */
#latency-controls {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 12px;
}

/* Enhanced latency control labels */
#latency-controls label {
    color: #ff6b35;
    font-weight: bold;
    white-space: nowrap;
    font-size: 11px;
}

/* Buffer size selector styling */
#buffer-size-select {
    background: rgba(51, 51, 51, 0.9);
    border: 1px solid #666;
    color: #ff6b35;
    border-radius: 4px;
    padding: 2px 4px;
    font-size: 11px;
}

#buffer-size-select:focus {
    border-color: #ff6b35;
    outline: none;
    box-shadow: 0 0 4px rgba(255, 107, 53, 0.3);
}

/* Audio sync offset slider */
#audio-sync-offset {
    width: 150px;
    height: 6px;
    background: linear-gradient(to right, #ff4444, #333, #44ff44);
    border-radius: 3px;
    outline: none;
    appearance: none;
}

.modal-content #audio-sync-offset {
    width: 200px;
}

#audio-sync-offset::-webkit-slider-thumb {
    appearance: none;
    width: 14px;
    height: 14px;
    background: linear-gradient(45deg, #00ccff, #0088cc);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0, 204, 255, 0.4);
}

#audio-sync-offset::-moz-range-thumb {
    width: 14px;
    height: 14px;
    background: linear-gradient(45deg, #00ccff, #0088cc);
    border-radius: 50%;
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 4px rgba(0, 204, 255, 0.4);
}

/* Monitoring delay slider */
#monitoring-delay {
    width: 150px;
    height: 6px;
    background: linear-gradient(to right, #333, #666);
    border-radius: 3px;
    outline: none;
    appearance: none;
}

.modal-content #monitoring-delay {
    width: 200px;
}

#monitoring-delay::-webkit-slider-thumb {
    appearance: none;
    width: 14px;
    height: 14px;
    background: linear-gradient(45deg, #44ff44, #339933);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(68, 255, 68, 0.4);
}

#monitoring-delay::-moz-range-thumb {
    width: 14px;
    height: 14px;
    background: linear-gradient(45deg, #44ff44, #339933);
    border-radius: 50%;
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 4px rgba(68, 255, 68, 0.4);
}

/* Display value styling */
#buffer-latency-display,
#sync-offset-display,
#monitoring-delay-display {
    color: #ff6b35;
    font-family: monospace;
    font-weight: bold;
    min-width: 35px;
    text-align: center;
    font-size: 11px;
}

#sync-offset-display {
    color: #00ccff;
}

#monitoring-delay-display {
    color: #44ff44;
}

/* Info and reset buttons */
#buffer-info-btn,
#sync-reset-btn,
#monitoring-info-btn {
    padding: 2px 6px !important;
    font-size: 10px !important;
    min-height: 20px !important;
    border: 1px solid;
    color: #ff6b35;
}

#buffer-info-btn {
    background: rgba(255, 107, 53, 0.2);
    border-color: #ff6b35;
}

#sync-reset-btn {
    background: rgba(0, 204, 255, 0.2);
    border-color: #00ccff;
    color: #00ccff;
}

#monitoring-info-btn {
    background: rgba(68, 255, 68, 0.2);
    border-color: #44ff44;
    color: #44ff44;
}

#buffer-info-btn:hover {
    background: rgba(255, 107, 53, 0.4);
    box-shadow: 0 0 8px rgba(255, 107, 53, 0.3);
}

#sync-reset-btn:hover {
    background: rgba(0, 204, 255, 0.4);
    box-shadow: 0 0 8px rgba(0, 204, 255, 0.3);
}

#monitoring-info-btn:hover {
    background: rgba(68, 255, 68, 0.4);
    box-shadow: 0 0 8px rgba(68, 255, 68, 0.3);
}

/* When in modal context */
.modal-content #latency-controls {
    width: 100%;
}

.modal-content #latency-controls label {
    margin-bottom: 4px;
}

#latency-controls label {
    color: #ff6b35;
    font-weight: bold;
    white-space: nowrap;
}

#latency-compensation {
    width: 150px;
    height: 6px;
    background: linear-gradient(to right, #333, #666);
    border-radius: 3px;
    outline: none;
    appearance: none;
}

/* Wider slider in modal context */
.modal-content #latency-compensation {
    width: 200px;
}

#latency-compensation::-webkit-slider-thumb {
    appearance: none;
    width: 14px;
    height: 14px;
    background: linear-gradient(45deg, #ff6b35, #ff8c42);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(255, 107, 53, 0.4);
}

#latency-compensation::-moz-range-thumb {
    width: 14px;
    height: 14px;
    background: linear-gradient(45deg, #ff6b35, #ff8c42);
    border-radius: 50%;
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 4px rgba(255, 107, 53, 0.4);
}

#latency-display {
    color: #ff6b35;
    font-family: monospace;
    font-weight: bold;
    min-width: 30px;
    text-align: center;
}

#latency-info-btn {
    padding: 2px 6px !important;
    font-size: 10px !important;
    min-height: 20px !important;
    background: rgba(255, 107, 53, 0.2);
    border: 1px solid #ff6b35;
    color: #ff6b35;
}

#latency-info-btn:hover {
    background: rgba(255, 107, 53, 0.4);
    box-shadow: 0 0 8px rgba(255, 107, 53, 0.3);
}

/* Compact modal button styling */
.modal-content button {
    padding: 0.5rem 1rem;
    margin: 0.2rem;
    font-size: 0.9rem;
}

.modal-content .modal-buttons {
    display: flex;
    gap: 0.5rem;
    justify-content: flex-end;
    padding-top: 0.5rem;
    margin-top: 0.5rem;
    border-top: 1px solid var(--border-color);
}

/* Compact spacing for all modal elements */
.modal-content select,
.modal-content input {
    margin-bottom: 0.5rem;
}

.modal-content label {
    margin-bottom: 0.2rem;
}

/* Hide modal preview to remove empty space */
.modal-preview {
    display: none;
}

/* Remove any default margins/padding from modal body */
.modal-content > div:not(.modal-header) {
    margin-top: 0;
    padding-top: 0;
}