/* Start Menu Layout */
.start-menu-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(0, 0, 0, 0.8);
    z-index: 1000;
    padding: var(--spacing-md);
}

.start-menu {
    background-color: var(--surface-color);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-xl);
    max-width: 800px;
    width: 100%;
    animation: slideIn var(--transition-normal);
}

.start-menu-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.start-menu-header h1 {
    font-size: var(--font-size-xl);
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.start-menu-header p {
    color: var(--text-secondary);
    font-size: var(--font-size-md);
}

.start-menu-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.player-setup {
    background-color: var(--background-color);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-md);
}

.player-setup h2 {
    color: var(--text-primary);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
}

.input-group {
    margin-bottom: var(--spacing-md);
}

.input-group label {
    display: block;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-xs);
}

.input-group input,
.input-group select {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-md);
    background-color: var(--surface-color);
    transition: border-color var(--transition-fast);
}

.input-group input:focus,
.input-group select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.game-options {
    background-color: var(--background-color);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-md);
}

.game-options h2 {
    color: var(--text-primary);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
}

.option-group {
    margin-bottom: var(--spacing-md);
}

.option-group label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-primary);
    cursor: pointer;
}

.option-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    appearance: none;
    cursor: pointer;
    position: relative;
    transition: all var(--transition-fast);
}

.option-group input[type="checkbox"]:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.option-group input[type="checkbox"]:checked::after {
    content: "✓";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 12px;
}

.difficulty-slider {
    width: 100%;
    margin: var(--spacing-sm) 0;
}

.difficulty-labels {
    display: flex;
    justify-content: space-between;
    margin-top: var(--spacing-xs);
}

.difficulty-labels span {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.start-menu-footer {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
}

.start-game-btn {
    padding: var(--spacing-sm) var(--spacing-xl);
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-md);
    font-weight: 500;
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.start-game-btn:hover:not(:disabled) {
    background-color: #1b5e20;
}

.start-game-btn:disabled {
    background-color: var(--border-color);
    cursor: not-allowed;
}

@media (max-width: 768px) {
    .start-menu {
        padding: var(--spacing-lg);
    }
    
    .start-menu-content {
        grid-template-columns: 1fr;
    }
    
    .start-menu-footer {
        flex-direction: column;
    }
    
    .start-game-btn {

    .user-panel,
    .connection-panel {
        width: 100%;
    }
}

.connection-panel {
    background-color: #ffb3b3;
    border-radius: 25px;
    padding: 2rem;
    width: 40%;
    height: fit-content;
}

.connection-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.connection-icon {
    color: #00cc00;
    font-size: 2rem;
}

.connection-title {
    font-size: 2rem;
    color: #333;
    margin: 0;
}

.connection-log {
    background-color: white;
    border-radius: 15px;
    padding: 1rem;
    min-height: 200px;
    margin-top: 1rem;
}