:root {
            --bg-color: #98cb98; 
            --ui-bg: #fdfdfd;
            --accent-red: #e43342;
            --accent-yellow: #f8ca12;
            --text-color: #1d3557;
            --pixel-border: 4px;
        }

        body {
            margin: 0;
            height: 100vh;
            background-color: #222; 
            display: flex;
            justify-content: center;
            align-items: center;
            font-family: 'Press Start 2P', cursive;
            image-rendering: pixelated;
        }


            .game-container {
            width: 1050px;
            height: 700px;
            background-color: #5ba9c9;
            border: 8px solid #111;
            border-radius: 8px;
            box-shadow: 0 0 0 4px  #555, 0 10px 20px rgba(0,0,0,0.5);
            display: flex;
            flex-direction: column;
            overflow-x: auto;
            overflow-y: auto;
            position: relative;
        }

        .header {
            background-color: var(--accent-red);
            color: white;
            padding: 15px;
            border-bottom: 4px solid #a80020;
            text-align: center;
            text-shadow: 2px 2px 0px rgba(0,0,0,0.3);
            letter-spacing: 2px;
        }

        .content-wrapper {
            display: flex;
            flex: 1;
        }

        .main-view {
            flex: 2;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            background-image: 
                radial-gradient(circle, transparent 20%, var(--bg-color) 20%, var(--bg-color) 80%, transparent 80%, transparent),
                radial-gradient(circle, transparent 20%, var(--bg-color) 20%, var(--bg-color) 80%, transparent 80%, transparent);
            background-size: 20px 20px;
            background-position: 0 0, 10px 10px;
            padding: 20px;
        }

 
        .input-container {
            margin-bottom: 20px;
            text-align: center;
        }

        .pixel-input {
            font-family: 'Press Start 2P', cursive;
            font-size: 12px;
            padding: 10px;
            width: 200px;
            background: #fff;
            border: 4px solid var(--text-color);
            color: var(--text-color);
            outline: none;
            box-shadow: 4px 4px 0px rgba(0,0,0,0.2);
            text-align: center;
        }
        
        .pixel-input::placeholder {
            color: #aaa;
        }

        .tomato-sprite {
            font-size: 80px;
            margin-bottom: 15px;
            filter: drop-shadow(4px 4px 0px rgba(0,0,0,0.2));
            animation: bounce 1s infinite alternate paused; 
        }
        
        .running .tomato-sprite {
            animation-play-state: running;
        }

        .timer-display {
            background: #eee;
            padding: 10px 20px;
            border: 4px solid var(--text-color);
            font-size: 24px;
            color: var(--text-color);
            min-width: 120px;
            text-align: center;
        }

        .status-text {
            margin-top: 10px;
            font-size: 10px;
            color: var(--text-color);
            height: 15px;
        }
        .menu-sidebar {
            flex: 1;
            background-color: var(--ui-bg);
            border-left: 4px solid var(--text-color);
            padding: 100px 10px;
            display: flex;
            flex-direction: column;
            gap: 20px;
            justify-content: center;
        }
        #Time {
            position: absolute;
            top: 60px;
            font-size: 25px;
        }
        #Subject{
            position: absolute;
            top: 95px;
            font-size: 25px;

        }
        #Break{
            position: absolute;
            top: 135px;
            font-size: 25px;

        }
        
        .pixel-btn {
            font-family: 'Press Start 2P', cursive;
            font-size: 12px;
            padding: 14px 7px;
            background-color: var(--ui-bg);
            color: var(--text-color);
            border: 4px solid var(--text-color);
            cursor: pointer;
            position: relative;
            transition: all 0.1s;
            text-align: center;
            box-shadow: 4px 4px 0px var(--text-color);
        }

        #sessions-container {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    font-size: 12px;
    background-color: #ffffff;
    color: #6e6e6e;
}

#sessions-container.show {
    max-height: 700px; 
}
#sessions-list li {
    margin-bottom: 12px;
}

#sessions-list li strong {
    display: block;       
    margin-bottom: 6px;  
}

        .pixel-btn:hover {
            background-color: var(--accent-yellow);
            transform: translate(2px, 2px);
            box-shadow: 2px 2px 0px var(--text-color);
        }

        .pixel-btn:active {
            transform: translate(4px, 4px);
            box-shadow: none;
        }
        
        .pixel-btn:disabled {
            opacity: 0.5;
            cursor: not-allowed;
            transform: none;
            box-shadow: 4px 4px 0px var(--text-color);
        }

        .btn-start { border-color: #2a9d8f; color: #2a9d8f; box-shadow: 4px 4px 0px #2a9d8f; }
        .btn-start:hover { background-color: #2a9d8f; color: white; }

        .btn-stop { border-color: var(--accent-red); color: var(--accent-red); box-shadow: 4px 4px 0px var(--accent-red); }
        .btn-stop:hover { background-color: var(--accent-red); color: white; }

        @keyframes bounce {
            from { transform: translateY(-5px); }
            to { transform: translateY(5px); }
        }
        
        .game-container::after {
            content: " ";
            display: block;
            position: absolute;
            top: 0; left: 0; bottom: 0; right: 0;
            background-size: 100% 4px;
            z-index: 10;
            pointer-events: none;
        }