/* Global resets and utility styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}
body {
    font-family: Arial, sans-serif;
    background-color: #1a1a1a;
    color: white;
    min-height: 100vh;
    overscroll-behavior: none;
}
input, select {
    min-height: 44px;
    padding: 12px;
    font-size: 1.2rem;
}

/* Responsive adjustments for fullscreen toggle button */
@media screen and (max-width: 480px) {
    .fullscreen-toggle {
        bottom: 15px;
        right: 15px;
        width: 40px;
        height: 40px;
    }
}

/* Utility button for new game (global, not component-specific) */
.new-game-button {
    width: 100%;
    background: #222;
    color: #fff;
    border: none;
    border-radius: 0;
    font-size: 1.4rem;
    font-weight: 600;
    padding: 20px 0;
    margin-bottom: 16px;
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
    text-align: center;
    display: block;
}

.new-game-button:hover {
    background: #333;
}

/* Modal overlay (global, not component-specific) */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.8);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
}

.modal.show {
    display: flex;
}