body {
            margin: 0;
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
            color: white;
            background-color: #808080;
            /* Medium gray */
            overflow: hidden;
            /* Prevent scrollbars */
            transition: background 0.8s ease;
            /* Smooth transition for Zen Mode */
        }

        #container {
            width: 100vw;
            height: 100vh;
            position: fixed;
            top: 0;
            left: 0;
            z-index: -1;
        }

        /* UI Layer - sits above the 3D canvas */
        #ui-layer {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
            /* Let clicks pass through to canvas */
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            padding: 20px;
            box-sizing: border-box;
        }

        /* Floating Info Elements */
        .ui-element {
            pointer-events: auto;
            text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.8);
        }

        #top-bar {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
        }

        #bottom-bar {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
        }

        h1 {
            margin: 0 0 5px 0;
            font-size: 1.2em;
            font-weight: bold;
        }

        #version {
            font-size: 0.8em;
            opacity: 0.7;
        }

        .icon-btn {
            background: rgba(0, 0, 0, 0.6);
            border: 1px solid #888;
            color: white;
            padding: 10px 20px;
            font-size: 14px;
            cursor: pointer;
            border-radius: 20px;
            margin-left: 10px;
            transition: background 0.3s ease, transform 0.1s ease;
        }

        .icon-btn:hover {
            background: rgba(0, 0, 0, 0.8);
        }

        .icon-btn:active {
            transform: scale(0.95);
        }

        .icon-btn.active {
            background: rgba(173, 255, 47, 0.6);
            border-color: #ADFF2F;
            color: black;
        }

        /* Desktop Controls using Grid for L-shape */
        #controls-desktop {
            display: grid;
            grid-template-columns: auto auto auto;
            grid-template-rows: auto auto;
            gap: 10px;
        }

        #rotation-button {
            grid-column: 1;
            grid-row: 2;
        }

        #fast-mode-button {
            grid-column: 2;
            grid-row: 2;
        }

        #zen-button {
            grid-column: 3;
            grid-row: 2;
        }

        #hours-button {
            grid-column: 3;
            grid-row: 1;
        }

        /* Zen Mode Active State */
        body.zen-active #top-bar,
        body.zen-active #bottom-bar .ui-element:first-child,
        /* Left side of bottom bar */
        body.zen-active #settings-btn,
        body.zen-active #fullscreen-btn,
        body.zen-active #rotation-button,
        body.zen-active #fast-mode-button,
        body.zen-active #hours-button,
        body.zen-active #mobile-hours,
        body.zen-active #mobile-fast,
        body.zen-active #mobile-rotate,
        body.zen-active #mobile-explainer,
        body.zen-active #mobile-info-overlay {
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.5s ease;
        }

        /* Ensure Zen button stays visible */
        body.zen-active #zen-button,
        body.zen-active #mobile-zen {
            opacity: 1;
            pointer-events: auto;
        }

        #digital-time {
            position: absolute;
            top: 20px;
            right: 120px;
            /* Moved further left */
            color: #00ffcc;
            font-family: 'Courier New', Courier, monospace;
            font-size: 1.2em;
            pointer-events: none;
            z-index: 10;
        }

        #settings-btn {
            position: absolute;
            top: 20px;
            right: 20px;
            z-index: 20;
            font-size: 20px;
            padding: 8px 12px;
        }

        #fullscreen-btn {
            display: none;
            /* Hidden by default (Desktop/Portrait) */
        }

        /* Settings Panel (Slide-in) */
        #settings-panel {
            position: fixed;
            top: 0;
            right: -300px;
            /* Hidden by default */
            width: 300px;
            height: 100%;
            background: rgba(0, 0, 0, 0.85);
            backdrop-filter: blur(10px);
            z-index: 2000;
            /* Ensure above fullscreen button (1001) */
            transition: right 0.3s ease-in-out;
            padding: 20px;
            box-sizing: border-box;
            overflow-y: auto;
            pointer-events: auto;
            border-left: 1px solid rgba(255, 255, 255, 0.1);
        }

        #settings-panel.open {
            right: 0;
        }

        #settings-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            padding-bottom: 10px;
        }

        #settings-header h2 {
            margin: 0;
            font-size: 18px;
            font-weight: 400;
        }

        #close-settings {
            background: none;
            border: none;
            color: white;
            font-size: 24px;
            cursor: pointer;
            padding: 0;
            margin: 0;
        }

        .settings-section {
            margin-bottom: 20px;
        }

        .settings-section h3 {
            font-size: 14px;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: #aaa;
            margin-bottom: 10px;
        }

        .control-group {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        label {
            display: flex;
            align-items: center;
            gap: 10px;
            cursor: pointer;
        }

        /* Mobile Toolbar (Hidden on Desktop) */
        #mobile-toolbar {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            background: rgba(0, 0, 0, 0.8);
            backdrop-filter: blur(10px);
            padding: 10px;
            justify-content: space-around;
            z-index: 50;
            pointer-events: auto;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }

        /* Modal Styles (Existing, slightly tweaked) */
        #modal-explainer {
            position: fixed;
            z-index: 1000;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            overflow: auto;
            background-color: rgba(0, 0, 0, 0.8);
            display: none;
            backdrop-filter: blur(5px);
            pointer-events: auto;
        }

        #modal-content {
            background-color: #333;
            color: white;
            margin: 15% auto;
            padding: 20px;
            border: 1px solid #555;
            width: 90%;
            max-width: 500px;
            border-radius: 10px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
            text-align: center;
        }

        #modal-close-button {
            background-color: #ADFF2F;
            color: black;
            font-weight: bold;
            border: none;
            padding: 10px 20px;
            border-radius: 5px;
            cursor: pointer;
        }

        #mobile-info-overlay {
            display: none;
        }

        /* Portrait Mobile Layout */
        @media (max-width: 600px) and (orientation: portrait) {
            #controls-desktop {
                display: none;
            }

            #bottom-bar {
                display: none;
            }

            #mobile-toolbar {
                display: block;
                pointer-events: none;
                width: 100%;
                height: 100%;
                position: fixed;
                top: 0;
                left: 0;
                z-index: 50;
                background: transparent !important;
                backdrop-filter: none !important;
            }

            #digital-time {
                font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
                right: 10px;
                top: 15px;
                font-size: 1.2em;
                font-stretch: normal;
            }

            #settings-btn {
                top: 50px;
                right: 10px;
            }

            #title {
                font-size: 1.1em;
                max-width: 60%;
            }

            .mobile-btn-group {
                position: absolute;
                bottom: 20px;
                display: flex;
                gap: 5px;
                pointer-events: auto;
                padding: 0;
                margin: 0;
                /* Centering Fix */
                left: 50%;
                transform: translateX(-50%);
                justify-content: center;
                width: auto;
            }

            #mobile-controls-right {
                flex-direction: row;
            }

            #mobile-controls-right .icon-btn {
                width: auto;
                height: auto;
                font-size: 14px;
                background: rgba(0, 0, 0, 0.6);
                border: 1px solid #888;
                border-radius: 20px;
                padding: 8px 12px;
                color: white;
                margin: 0;
            }

            #fullscreen-btn {
                display: none;
            }

            #mobile-info-overlay {
                display: block;
                position: fixed;
                bottom: 50px;
                left: 0;
                width: 100%;
                text-align: center;
                font-size: 12px;
                pointer-events: none;
                z-index: 60;
                text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.8);
                background: #505050;
                padding: 5px 0;
            }

            #mobile-info-overlay a {
                pointer-events: auto;
            }
        }

        /* Landscape Mobile Layout */
        @media (max-height: 600px) and (orientation: landscape) {
            #controls-desktop {
                display: none;
            }

            #bottom-bar {
                display: none;
            }

            #mobile-toolbar {
                display: block;
                pointer-events: none;
                width: 100%;
                height: 100%;
                position: fixed;
                top: 0;
                left: 0;
                z-index: 50;
                background: transparent !important;
                backdrop-filter: none !important;
            }

            #digital-time {
                font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
                position: fixed;
                top: 15px;
                right: 120px;
                font-size: 1.2em;
            }

            .mobile-btn-group {
                position: absolute;
                display: flex;
                pointer-events: auto;
            }

            #mobile-controls-right {
                position: fixed !important;
                right: 10px !important;
                bottom: 15px;
                display: grid;
                grid-template-columns: auto auto auto;
                grid-template-rows: auto auto;
                gap: 10px;
                flex-direction: row;
                align-items: center;
                width: auto;
                left: auto;
                transform: none;
            }

            #mobile-rotate {
                grid-column: 1;
                grid-row: 2;
            }

            #mobile-fast {
                grid-column: 2;
                grid-row: 2;
            }

            #mobile-zen {
                grid-column: 3;
                grid-row: 2;
            }

            #mobile-hours {
                grid-column: 3;
                grid-row: 1;
            }

            #mobile-controls-right .icon-btn {
                width: auto;
                height: auto;
                font-size: 14px;
                background: rgba(0, 0, 0, 0.6);
                border: 1px solid #888;
                border-radius: 20px;
                padding: 8px 12px;
                color: white;
                margin-left: 0 !important;
            }

            #mobile-explainer {
                position: fixed;
                left: 10px;
                bottom: 50px;
                right: auto;
                width: auto;
                margin-left: 0;
            }

            #fullscreen-btn {
                display: block;
                position: fixed;
                top: 10px;
                right: 10px;
                width: auto;
                left: auto;
                transform: none;
                border-radius: 20px;
                font-size: 14px;
                padding: 8px 16px;
                background: rgba(0, 0, 0, 0.6);
                border: 1px solid #888;
                z-index: 1001;
            }

            #settings-btn {
                top: 55px;
                right: 10px;
                background: rgba(0, 0, 0, 0.6);
                border: 1px solid #888;
                border-radius: 20px;
                padding: 8px 12px;
                width: auto;
            }

            #mobile-info-overlay {
                display: block;
                position: fixed;
                bottom: 10px;
                left: 10px;
                width: auto;
                text-align: left;
                font-size: 10px;
                pointer-events: none;
                z-index: 60;
                text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.8);
                background: rgba(0, 0, 0, 0.5);
                padding: 5px 10px;
                border-radius: 5px;
                line-height: 1.3;
            }

            #mobile-info-overlay a {
                pointer-events: auto;
            }
        }

        /* Global Link Styles - Moved to end to ensure precedence */
        .website-link,
        .website-link:visited,
        .website-link:hover,
        .website-link:active {
            color: #ADFF2F !important;
            text-decoration: none;
            font-weight: bold;
            transition: opacity 0.2s;
        }

        .website-link:hover {
            text-decoration: underline;
            opacity: 0.8;
        }