html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

#experience {
  width: 100vw;
  height: 100vh;
}

#experience-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

/* UI Overlay / Modal System */
#interaction-modal {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90%;
    max-width: 500px;
    max-height: 85vh;
    overflow-y: auto;
    background: var(--color-surface-modal);
    color: var(--color-text-main);
    padding: 25px;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(var(--color-primary-rgb), 0.5);
    z-index: var(--z-index-modal); /* Ensure it sits above everything */
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.8), 0 0 10px rgba(var(--color-primary-rgb), 0.2);
    font-family: var(--font-family-main);
    backdrop-filter: blur(8px);
    animation: modalFadeIn 0.3s ease-out;
}

#modal-backdrop {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: var(--z-index-modal-backdrop);
    backdrop-filter: blur(3px);
    animation: backdropFadeIn 0.3s ease-out;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 20px;
    border-bottom: 1px solid rgba(var(--color-primary-rgb), 0.1);
    padding-bottom: 15px;
}

.modal-header h2 {
    margin: 0;
    color: var(--color-primary);
    font-size: 1.6rem;
    font-weight: 600;
    text-shadow: 0 0 10px rgba(var(--color-primary-rgb), 0.2);
}

.modal-close-btn {
    background: transparent;
    border: none;
    color: var(--color-text-muted);
    font-size: 28px;
    cursor: pointer;
    line-height: 1;
    padding: 0;
    transition: color 0.2s;
}

.modal-close-btn:hover {
    color: var(--color-text-white);
}

.modal-link-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--color-text-white);
    padding: 14px 18px;
    margin-bottom: 12px;
    width: 100%;
    text-align: left;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-link-btn:hover {
    background: rgba(var(--color-primary-rgb), 0.15);
    border-color: var(--color-primary);
    transform: translateX(4px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

#modal-desc {
    margin-top: 20px;
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--color-text-muted);
}

/* Modal Tabs */
.tab-headers {
    display: flex;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 20px;
    gap: 10px;
}

.tab-btn {
    background: transparent;
    border: none;
    color: var(--color-text-muted);
    padding: 10px 15px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.2s;
    border-bottom: 2px solid transparent;
}

.tab-btn:hover { color: var(--color-text-white); }
.tab-btn.active { color: var(--color-primary); border-bottom-color: var(--color-primary); }

/* Loading Screen */
#loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-bg-deep);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: var(--z-index-fullscreen-panel);
    color: var(--color-primary);
    font-family: sans-serif;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 5px solid rgba(var(--color-primary-rgb), 0.3);
    border-top: 5px solid var(--color-primary);
    border-radius: var(--radius-round);
    animation: spin 1s linear infinite;
    margin-bottom: 20px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes slideInRight {
    from {
        transform: translateX(120%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideInLeft {
    from {
        transform: translateX(-120%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* =========================================
   TOOL SIDEBAR (Main Container)
   ========================================= */
#tool-sidebar {
    position: fixed;
    top: 100px;
    left: 20px;
    width: 60px;
    max-height: calc(100vh - 120px);
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: var(--z-index-sidebar);
    padding: 10px 0;
    overflow-y: auto;
    align-items: center;
    scrollbar-width: none; /* Hide scrollbar for Firefox */
}

/* Hide scrollbar for Chrome/Safari/Edge */
#tool-sidebar::-webkit-scrollbar {
    display: none;
}

.tool-btn {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-round);
    background: rgba(10, 15, 30, 0.65);
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
    font-size: 18px;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(4px);
    transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1);
    flex-shrink: 0;
}

.tool-btn:hover {
    background: rgba(var(--color-primary-rgb), 0.2);
    box-shadow: 0 0 15px rgba(var(--color-primary-rgb), 0.4);
    transform: scale(1.05);
}

.tool-btn.active {
    background: var(--color-primary);
    color: var(--color-bg-deep);
    box-shadow: 0 0 20px rgba(var(--color-primary-rgb), 0.6);
}

/* Mute Button (Positioned in Sidebar) */
#mute-btn {
    width: 40px;
    height: 40px;
    background: rgba(10, 15, 30, 0.65);
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-round);
    color: var(--color-primary);
    font-size: 20px;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(4px);
    transition: all 0.3s ease;
    flex-shrink: 0;
}

#mute-btn:hover {
    background: rgba(var(--color-primary-rgb), 0.2);
    box-shadow: 0 0 15px rgba(var(--color-primary-rgb), 0.4);
}

/* Settings Button */
#settings-btn {
    width: 40px;
    height: 40px;
    background: rgba(10, 15, 30, 0.65);
    border: 1px solid var(--color-accent-settings); /* Purple */
    border-radius: var(--radius-round);
    color: var(--color-accent-settings);
    font-size: 20px;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(4px);
    transition: all 0.3s ease;
    flex-shrink: 0;
}

#settings-btn:hover {
    background: rgba(var(--color-accent-settings-rgb), 0.2);
    box-shadow: 0 0 15px rgba(var(--color-accent-settings-rgb), 0.4);
}

/* Document Editor Button */
#doc-editor-btn {
    width: 40px;
    height: 40px;
    background: rgba(10, 15, 30, 0.65);
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-round);
    color: var(--color-primary);
    font-size: 20px;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(4px);
    transition: all 0.3s ease;
    flex-shrink: 0;
}

#doc-editor-btn.active {
    background: var(--color-primary);
    color: var(--color-bg-deep);
    box-shadow: 0 0 15px rgba(var(--color-primary-rgb), 0.6);
}

#doc-editor-btn:hover {
    background: rgba(var(--color-primary-rgb), 0.2);
    box-shadow: 0 0 15px rgba(var(--color-primary-rgb), 0.4);
}

/* Document Editor Panel */
#doc-editor-panel {
    display: none;
}

.doc-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    border-bottom: 1px solid rgba(var(--color-primary-rgb), 0.3);
    padding-bottom: 10px;
}

#doc-content {
    flex-grow: 1;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(var(--color-primary-rgb), 0.2);
    border-radius: var(--radius-md);
    color: var(--color-text-white);
    padding: 15px;
    font-family: var(--font-family-mono);
    font-size: 14px;
    resize: none;
    outline: none;
    margin-bottom: 15px;
}

#doc-content:focus {
    border-color: var(--color-primary);
}

/* Photo Editor Button */
#photo-editor-btn {
    width: 40px;
    height: 40px;
    background: rgba(10, 15, 30, 0.65);
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-round);
    color: var(--color-primary);
    font-size: 20px;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(4px);
    transition: all 0.3s ease;
    flex-shrink: 0;
}

#photo-editor-btn:hover {
    background: rgba(var(--color-primary-rgb), 0.2);
    box-shadow: 0 0 15px rgba(var(--color-primary-rgb), 0.4);
}

/* Photo Editor Overlay */
#photo-editor-panel {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: var(--z-index-fullscreen-panel);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}

#photo-canvas-container {
    position: relative;
    border: 2px solid var(--color-primary);
    box-shadow: 0 0 50px rgba(var(--color-primary-rgb), 0.2);
}

.photo-toolbar {
    display: flex;
    gap: 15px;
    margin-top: 20px;
    background: rgba(10, 15, 30, 0.8);
    padding: 10px 20px;
    border-radius: var(--radius-round);
    border: 1px solid var(--color-primary);
    backdrop-filter: blur(10px);
}

/* Storyboard Studio Button (Matches template ID) */
#sb-studio-btn {
    width: 40px;
    height: 40px;
    background: rgba(10, 15, 30, 0.65);
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-round);
    color: var(--color-primary);
    font-size: 20px;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(4px);
    transition: all 0.3s ease;
    flex-shrink: 0;
}

#sb-studio-btn:hover {
    background: rgba(var(--color-primary-rgb), 0.2);
    box-shadow: 0 0 15px rgba(var(--color-primary-rgb), 0.4);
}

/* Storyboard View Button */
#storyboard-view-btn {
    width: 40px;
    height: 40px;
    background: rgba(10, 15, 30, 0.65);
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-round);
    color: var(--color-primary);
    font-size: 20px;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(4px);
    transition: all 0.3s ease;
    flex-shrink: 0;
}

#storyboard-view-btn:hover {
    background: rgba(var(--color-primary-rgb), 0.2);
    box-shadow: 0 0 15px rgba(var(--color-primary-rgb), 0.4);
}

/* Storyboard Panel */
#storyboard-panel {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 15, 30, 0.95);
    z-index: var(--z-index-fullscreen-panel);
    flex-direction: column;
    padding: 40px;
    box-sizing: border-box;
    overflow-y: auto;
    backdrop-filter: blur(10px);
    color: var(--color-text-main);
}

.storyboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
}

.storyboard-cell {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-md);
    padding: 15px;
    display: flex;
    flex-direction: column;
    transition: transform 0.2s;
}

.storyboard-cell:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(var(--color-primary-rgb), 0.2);
}

.storyboard-img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(var(--color-primary-rgb), 0.3);
    margin-bottom: 15px;
    background: #000;
}

.storyboard-caption {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(var(--color-primary-rgb), 0.2);
    color: var(--color-text-white);
    padding: 10px;
    border-radius: var(--radius-sm);
    resize: vertical;
    min-height: 60px;
    font-family: var(--font-family-main);
    font-size: 14px;
}

.storyboard-caption:focus {
    border-color: var(--color-primary);
    outline: none;
}

/* Drag and Drop States */
.storyboard-cell.dragging {
    opacity: 0.4;
    border: 2px dashed var(--color-primary);
}

.storyboard-cell.drag-over {
    border: 2px solid #ff4081; /* Highlight drop target */
}

/* =========================================
   TOOL PANELS - Unified Styling
   ========================================= */
.tool-panel {
    display: none;
    position: fixed;
    background: rgba(10, 15, 30, 0.95);
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-lg);
    padding: 20px;
    z-index: var(--z-index-panels);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    color: var(--color-text-main);
    font-family: var(--font-family-main);
}

.doc-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(var(--color-primary-rgb), 0.3);
}

.doc-header h2,
.doc-header h3 {
    margin: 0;
    color: var(--color-primary);
    font-size: 16px;
}

.doc-controls {
    display: flex;
    gap: 10px;
}

.modal-link-btn {
    background: rgba(var(--color-primary-rgb), 0.15);
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 12px;
    transition: all 0.2s;
    white-space: nowrap;
}

.modal-link-btn:hover {
    background: rgba(var(--color-primary-rgb), 0.3);
    box-shadow: 0 0 10px rgba(var(--color-primary-rgb), 0.3);
}

.close-btn,
.modal-close-btn {
    background: transparent;
    border: 1px solid var(--color-accent-creator);
    color: var(--color-accent-creator);
    width: 30px;
    height: 30px;
    border-radius: var(--radius-round);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    transition: all 0.2s;
}

.close-btn:hover,
.modal-close-btn:hover {
    background: rgba(var(--color-accent-creator-rgb), 0.2);
    box-shadow: 0 0 10px rgba(var(--color-accent-creator-rgb), 0.4);
}

/* Sequencer Button */
#sequencer-btn {
    width: 40px;
    height: 40px;
    background: rgba(10, 15, 30, 0.65);
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-round);
    color: var(--color-primary);
    font-size: 20px;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(4px);
    transition: all 0.3s ease;
    flex-shrink: 0;
}

#sequencer-btn:hover {
    background: rgba(var(--color-primary-rgb), 0.2);
    box-shadow: 0 0 15px rgba(var(--color-primary-rgb), 0.4);
}

/* Sequencer Panel */
#sequencer-panel {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 150px;
    background: rgba(10, 15, 30, 0.95);
    border-top: 1px solid var(--color-primary);
    z-index: var(--z-index-fullscreen-panel);
    padding: 20px;
    box-sizing: border-box;
    backdrop-filter: blur(10px);
    color: var(--color-text-main);
    align-items: center;
    gap: 20px;
    animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}

.timeline-container {
    flex-grow: 1;
    height: 60px;
    background: rgba(0,0,0,0.3);
    border: 1px solid rgba(var(--color-primary-rgb), 0.3);
    border-radius: var(--radius-sm);
    position: relative;
    overflow-x: auto;
    display: flex;
    align-items: center;
    padding: 0 10px;
}

.keyframe-marker {
    width: 12px;
    height: 12px;
    background: var(--color-accent-creator);
    border-radius: var(--radius-round);
    margin-right: 20px;
    cursor: pointer;
    position: relative;
    transition: transform 0.2s;
}

.keyframe-marker:hover {
    transform: scale(1.5);
    background: var(--color-text-white);
}

.keyframe-marker::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 100%;
    width: 20px; /* connector */
    height: 2px;
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-50%);
}

.keyframe-marker:last-child::after {
    display: none;
}

/* War Room (Conference) Button */
#war-room-btn {
    width: 40px;
    height: 40px;
    background: rgba(10, 15, 30, 0.65);
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-round);
    color: var(--color-primary);
    font-size: 20px;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(4px);
    transition: all 0.3s ease;
    flex-shrink: 0;
}

#war-room-btn:hover {
    background: rgba(var(--color-primary-rgb), 0.2);
    box-shadow: 0 0 15px rgba(var(--color-primary-rgb), 0.4);
}

/* War Room Panel (Video Grid) */
#war-room-panel {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    height: 80%;
    background: rgba(10, 15, 30, 0.95);
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-lg);
    z-index: var(--z-index-fullscreen-panel);
    padding: 20px;
    box-sizing: border-box;
    backdrop-filter: blur(10px);
    color: var(--color-text-main);
    flex-direction: column;
}

.war-room-content {
    display: flex;
    flex: 1;
    gap: 15px;
    min-height: 0; /* Important for nested flex scrolling */
    overflow: hidden;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    flex-grow: 1;
    overflow-y: auto;
    padding: 10px;
}

.chat-box {
    width: 280px;
    display: flex;
    flex-direction: column;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(var(--color-primary-rgb), 0.3);
    border-radius: var(--radius-md);
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 10px;
    font-size: 0.9em;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.chat-msg {
    background: rgba(255, 255, 255, 0.1);
    padding: 6px 10px;
    border-radius: 4px;
    word-wrap: break-word;
}

.chat-msg.local {
    background: rgba(0, 188, 212, 0.2);
    align-self: flex-end;
    border: 1px solid rgba(0, 188, 212, 0.3);
}

.chat-input-area {
    padding: 10px;
    border-top: 1px solid rgba(0, 188, 212, 0.3);
    display: flex;
    gap: 5px;
}

.chat-input {
    flex: 1;
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(0, 188, 212, 0.3);
    border-radius: 4px;
    color: #fff;
    padding: 5px;
}

.chat-send-btn {
    background: #00bcd4;
    color: #000;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
    padding: 0 10px;
}

.video-feed {
    background: #000;
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-md);
    position: relative;
    overflow: hidden;
    aspect-ratio: 16/9;
}

.video-feed video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video-label {
    position: absolute;
    bottom: 10px;
    left: 10px;
    background: rgba(0,0,0,0.6);
    padding: 5px 10px;
    border-radius: var(--radius-sm);
    font-size: 12px;
}

.call-controls {
    display: flex;
    justify-content: center;
    gap: 20px;
    padding-top: 20px;
    border-top: 1px solid rgba(var(--color-primary-rgb), 0.3);
}

.control-btn {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-round);
    border: none;
    cursor: pointer;
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.btn-mic { background: rgba(var(--color-primary-rgb), 0.2); color: var(--color-primary); border: 1px solid var(--color-primary); }
.btn-cam { background: rgba(var(--color-primary-rgb), 0.2); color: var(--color-primary); border: 1px solid var(--color-primary); }
.btn-screen { background: rgba(var(--color-primary-rgb), 0.2); color: var(--color-primary); border: 1px solid var(--color-primary); }
.btn-hangup { background: var(--color-accent-creator); color: white; }

/* Lighting Studio Button */
#lighting-btn {
    width: 40px;
    height: 40px;
    background: rgba(10, 15, 30, 0.65);
    border: 1px solid var(--color-accent-lighting); /* Yellow for light */
    border-radius: var(--radius-round);
    color: var(--color-accent-lighting);
    font-size: 20px;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(4px);
    transition: all 0.3s ease;
    flex-shrink: 0;
}

#lighting-btn:hover {
    background: rgba(var(--color-accent-lighting-rgb), 0.2);
    box-shadow: 0 0 15px rgba(var(--color-accent-lighting-rgb), 0.4);
}

/* Lighting Panel */
#lighting-panel {
    display: none;
    position: fixed;
    top: 20px;
    left: 90px;
    width: 250px;
    max-height: calc(100vh - 40px);
    background: rgba(10, 15, 30, 0.85);
    border: 1px solid var(--color-accent-lighting);
    border-radius: var(--radius-lg);
    padding: 20px;
    z-index: var(--z-index-sidebar);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    color: var(--color-accent-lighting);
    flex-direction: column;
    gap: 15px;
    overflow-y: auto;
}

.slider-control {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.slider-control input {
    width: 100%;
    cursor: pointer;
}

/* Measure Button (Inherits most props from mute-btn via JS class or similar, but defined here for ID) */
#measure-btn {
    width: 40px;
    height: 40px;
    background: rgba(10, 15, 30, 0.65);
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-round);
    color: var(--color-primary);
    font-size: 20px;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(4px);
    transition: all 0.3s ease;
    flex-shrink: 0;
}

#measure-btn.active {
    background: var(--color-primary);
    color: var(--color-bg-deep);
    box-shadow: 0 0 15px rgba(var(--color-primary-rgb), 0.6);
}

#measure-btn:hover {
    background: rgba(var(--color-primary-rgb), 0.2);
    box-shadow: 0 0 15px rgba(var(--color-primary-rgb), 0.4);
}

/* AI Stylizer Button */
#ai-stylizer-btn {
    width: 40px;
    height: 40px;
    background: rgba(10, 15, 30, 0.65);
    border: 1px solid var(--color-accent-ai);
    border-radius: var(--radius-round);
    color: var(--color-accent-ai);
    font-size: 20px;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(4px);
    transition: all 0.3s ease;
    flex-shrink: 0;
}

#ai-stylizer-btn:hover {
    background: rgba(var(--color-accent-ai-rgb), 0.2);
    box-shadow: 0 0 15px rgba(var(--color-accent-ai-rgb), 0.4);
}

/* =========================================
   SOUND EDITOR (DAW)
   ========================================= */
#sound-editor-btn {
    width: 40px;
    height: 40px;
    background: rgba(10, 15, 30, 0.65);
    border: 1px solid var(--color-accent-eden); /* Green */
    border-radius: var(--radius-round);
    color: var(--color-accent-eden);
    font-size: 20px;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(4px);
    transition: all 0.3s ease;
    flex-shrink: 0;
}

#sound-editor-btn:hover {
    background: rgba(var(--color-accent-eden-rgb), 0.2);
    box-shadow: 0 0 15px rgba(var(--color-accent-eden-rgb), 0.4);
}

#sound-editor-panel {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 350px;
    background: rgba(10, 15, 30, 0.95);
    border-top: 2px solid var(--color-accent-eden);
    z-index: var(--z-index-fullscreen-panel);
    padding: 15px 20px;
    box-sizing: border-box;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: var(--color-text-main);
    flex-direction: column;
    animation: slideUp 0.3s cubic-bezier(0.22, 1, 0.36, 1);
    overflow: hidden;
}

/* Force panel visibility when active, overriding inline display:none */
#sound-editor-panel.active {
    display: flex !important;
}

.sound-toolbar { 
    display: flex; 
    gap: 10px; 
    margin-bottom: 12px; 
    flex-wrap: wrap;
    align-items: center;
}

.sound-toolbar button {
    background: rgba(var(--color-accent-eden-rgb), 0.15);
    border: 1px solid var(--color-accent-eden);
    color: var(--color-accent-eden);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 12px;
    transition: all 0.2s;
}

.sound-toolbar button:hover {
    background: rgba(var(--color-accent-eden-rgb), 0.3);
    box-shadow: 0 0 10px rgba(var(--color-accent-eden-rgb), 0.3);
}

.track-list { 
    flex: 1; 
    overflow-y: auto; 
    border: 1px solid rgba(var(--color-accent-eden-rgb), 0.3); 
    border-radius: var(--radius-md); 
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    flex-direction: column;
}

.track { 
    display: flex; 
    height: 70px; 
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    align-items: stretch;
    flex-shrink: 0;
}

.track-header { 
    width: 100px; 
    padding: 10px; 
    border-right: 1px solid rgba(var(--color-accent-eden-rgb), 0.2); 
    display: flex; 
    align-items: center; 
    font-size: 11px; 
    background: rgba(var(--color-accent-eden-rgb), 0.08); 
    font-weight: bold; 
    color: var(--color-accent-eden);
    white-space: nowrap;
}

.track-waveform { 
    flex: 1; 
    position: relative; 
    background: 
        linear-gradient(90deg, transparent 49%, rgba(var(--color-accent-eden-rgb), 0.15) 50%, transparent 51%),
        linear-gradient(rgba(var(--color-accent-eden-rgb), 0.05) 1px, transparent 1px);
    background-size: 40px 100%, 100% 20px;
    background-position: 0 0, 0 0;
    border-left: 1px solid rgba(var(--color-accent-eden-rgb), 0.1);
}

/* =========================================
   PIANO ROLL (COMPOSER)
   ========================================= */
#piano-roll-btn {
    width: 40px;
    height: 40px;
    background: rgba(10, 15, 30, 0.65);
    border: 1px solid var(--color-accent-piano); /* Orange */
    border-radius: var(--radius-round);
    color: var(--color-accent-piano);
    font-size: 20px;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(4px);
    transition: all 0.3s ease;
    flex-shrink: 0;
}

#piano-roll-btn:hover {
    background: rgba(var(--color-accent-piano-rgb), 0.2);
    box-shadow: 0 0 15px rgba(var(--color-accent-piano-rgb), 0.4);
}

#piano-roll-panel {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 480px;
    background: rgba(10, 15, 30, 0.95);
    border-top: 2px solid var(--color-accent-piano);
    z-index: var(--z-index-fullscreen-panel);
    padding: 15px 20px;
    box-sizing: border-box;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: var(--color-text-main);
    flex-direction: column;
    animation: slideUp 0.3s cubic-bezier(0.22, 1, 0.36, 1);
    overflow: hidden;
}

/* Force panel visibility when active, overriding inline display:none */
#piano-roll-panel.active {
    display: flex !important;
}

.piano-toolbar { 
    display: flex; 
    gap: 10px; 
    margin-bottom: 12px; 
    align-items: center;
    flex-wrap: wrap;
}

.piano-toolbar button,
.piano-toolbar select {
    background: rgba(var(--color-accent-piano-rgb), 0.15);
    border: 1px solid var(--color-accent-piano);
    color: var(--color-accent-piano);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 12px;
    transition: all 0.2s;
}

.piano-toolbar button:hover,
.piano-toolbar select:hover {
    background: rgba(var(--color-accent-piano-rgb), 0.3);
    box-shadow: 0 0 10px rgba(var(--color-accent-piano-rgb), 0.4);
}

.piano-workspace { 
    display: flex; 
    flex: 1; 
    border: 1px solid rgba(var(--color-accent-piano-rgb), 0.3); 
    border-radius: var(--radius-md); 
    background: #1a1a1a; 
    overflow: hidden;
}

.piano-keys { 
    width: 60px; 
    background: linear-gradient(to bottom, #fff 0%, #fff 94%, #000 94%, #000 100%);
    background-size: 100% 22px;
    border-right: 1px solid var(--color-accent-piano);
    position: relative;
    flex-shrink: 0;
    overflow: hidden;
}

/* Visual trick for black keys - alternating pattern */
.piano-keys::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 60%;
    height: 100%;
    background: repeating-linear-gradient(
        to bottom,
        transparent 0px,
        transparent 13px,
        #000 13px,
        #000 26px
    );
    z-index: 2;
    pointer-events: none;
}

.midi-grid {
    flex: 1;
    background: 
        linear-gradient(rgba(var(--color-accent-piano-rgb), 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(var(--color-accent-piano-rgb), 0.1) 1px, transparent 1px);
    background-size: 100% 22px, 40px 100%;
    position: relative;
    overflow: auto;
    border-left: 1px solid rgba(var(--color-accent-piano-rgb), 0.2);
}

/* =========================================
   CREATOR PORTFOLIO (Two.js Overlay)
   ========================================= */
#creator-portfolio {
    display: none; /* Toggled by JS */
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: var(--z-index-creator-overlay); /* Above 3D scene (0), below Top Nav (4000) */
    background: rgba(10, 15, 30, 0.92); /* Dark backdrop for Flat Design contrast */
    backdrop-filter: blur(8px); /* Glass effect */
    pointer-events: none; /* Default state, toggled by JS */
}\n/* tooltip/hologram helper */\n.hologram-tooltip {\n    position: absolute;\n    pointer-events: none;\n    transition: opacity .2s;\n    opacity: 0;\n    background: rgba(0,0,0,.75);\n    color: #fff;\n    padding: 4px 8px;\n    border-radius: 4px;\n    font-size: 12px;\n    max-width: 240px;\n    z-index: 1000;\n}\n
\n/* override tooltip z-index to float above sidebar */\n.hologram-tooltip { z-index: 5000 !important; }