:root {
    --bg-color: #0f172a;
    --canvas-bg: #1e293b;
    --accent-color: #38bdf8;
    --text-color: #f8fafc;
    --font-family: 'Outfit', sans-serif;
}

body {
    margin: 0;
    padding: 0;
    width: 100vw;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: var(--bg-color);
    background-image: radial-gradient(circle at center, #1e293b 0%, #0f172a 100%);
    font-family: var(--font-family);
    color: var(--text-color);
    overflow: hidden;
}

.game-container {
    position: relative;
    box-shadow: 0 0 50px rgba(56, 189, 248, 0.1);
    border-radius: 12px;
    padding: 20px;
    background: rgba(30, 41, 59, 0.5);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.ui-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    font-size: 1.2rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

canvas {
    background-color: var(--canvas-bg);
    border-radius: 8px;
    box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.2);
    cursor: none;
    /* Hide cursor over canvas for immersion */
    display: block;
}

.modal {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.85);
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 12px;
    z-index: 10;
}

.modal.hidden {
    display: none;
}

.modal-content {
    background: #1e293b;
    padding: 40px;
    border-radius: 12px;
    text-align: center;
    border: 1px solid rgba(56, 189, 248, 0.2);
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.5);
}

.modal-content h2 {
    margin-top: 0;
    color: #38bdf8;
    font-size: 3rem;
    margin-bottom: 20px;
}

.modal-content p {
    font-size: 1.5rem;
    margin-bottom: 30px;
}

button {
    background: linear-gradient(135deg, #38bdf8 0%, #0284c7 100%);
    border: none;
    padding: 15px 30px;
    color: white;
    font-size: 1.2rem;
    border-radius: 8px;
    cursor: pointer;
    font-family: inherit;
    font-weight: bold;
    transition: transform 0.2s, box-shadow 0.2s;
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(56, 189, 248, 0.3);
}

button:active {
    transform: translateY(0);
}