body {
  font-family: Arial, sans-serif;
  text-align: center;
  background-color: #111;
  color: #eee;
}

.hidden { display: none; }

#game-canvas {
  background-color: #000;
  margin: 0 auto;
  display: block;
}

#hud {
  display: flex;
  justify-content: space-around;
  margin-bottom: 10px;
}

:root {
            --primary-color: #3DB8DE;
            --secondary-color: #333;
            --accent-color: #A9B4C0;
            --font-family: 'Arial', sans-serif;
        }

        body {
            margin: 0;
            font-family: var(--font-family);
            background-color: #f4f4f4;
            color: var(--secondary-color);
            line-height: 1.6;
            padding: 20px;
        }

        header {
            background: var(--primary-color);
            color: white;
            text-align: center;
            padding: 20px;
        }

        h1, h2 {
            margin: 0;
            padding: 10px;
        }

        .container {
            max-width: 800px;
            margin: 20px auto;
            background: white;
            padding: 20px;
            border-radius: 8px;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
        }

        input[type="text"] {
            width: 80%;
            padding: 10px;
            border: 1px solid #ccc;
            border-radius: 5px;
            margin-right: 10px;
        }

        button {
            background: var(--primary-color);
            color: white;
            border: none;
            padding: 10px 20px;
            border-radius: 5px;
            cursor: pointer;
            margin-top: 10px;
        }

        button:hover {
            background: #2a94b5;
        }

        ul {
            list-style: none;
            padding: 0;
        }

        li {
            background: #e9f5f9;
            padding: 10px;
            margin: 5px 0;
            border-left: 5px solid var(--primary-color);
            border-radius: 5px;
            cursor: move;
        }

        li.dragging {
            opacity: 0.5;
        }

        .priority-section {
            margin-top: 20px;
            padding: 10px;
            background: #f0f0f0;
            border-radius: 5px;
            min-height: 100px;
            border: 2px dashed var(--accent-color);
        }

        .priority-section.drag-over {
            background-color: #d0efff;
            border: 2px dashed var(--primary-color);
        }

        .priority-section h3 {
            margin-top: 0;
        }

         footer {
            text-align: center;
            padding: 10px 0;
            background: var(--primary-color);
            color: var(--secondary-color);
            margin-top: 20px;
        }